Barron/Elsevier Critical Care Registered Nurse (CCRN) practice test

These questions are part of the practice quiz. Start practicing

• What is the function of antidiuretic hormone (ADH) during positive pressure ventilation?
• Which of the following does not directly indicate cardiac ischemia on an EKG?
• What cardiac pathophysiology is indicated by the presence of P mitrale?
• Second degree Type I AV block is anatomically located at which node?
• What is a manifestation of left atrial enlargement on an EKG?
• A perception of seeing or hearing something that isn't there but lacks an actual external stimulus is called what?
• Which of the following conditions would most likely cause bowel sounds in the chest?
• From which side of the heart do clots that become pulmonary emboli originate?
• During which phase of the cardiac cycle does the majority of myocardial oxygen consumption occur?
• In septic shock, what happens to the delivery of oxygen to the tissues?
• What condition is indicated by an elevated PAOP?
• What heart sound is typically associated with rapid ventricular filling?
• What effect does left bundle branch block (LBBB) have on the heart sound S1 and S2?
• What condition is characterized by decreased oxygen in the blood?
• How much can procainamide increase the QT interval?
• What do normal respiratory parameters indicate regarding oxygen consumption and reserve?
• What physiological response occurs in normal kidneys of a hypo-perfused patient?
• What is the best position for a patient experiencing dyspnea?
• What is the purpose of a higher PEEP in treating a patient with ARDS?
• When the depth of the S wave in lead V1 or V2 plus the height of the R wave in lead V5 or V6 is 35 mm or greater, this constitutes voltage criteria for which type of hypertrophy?
• The color of sputum produced by Pseudomonas is typically described as?
• True or False: Antidiuretic hormone (ADH) secretion is stimulated by positive pressure ventilation.
• What is the intrinsic rate of the Purkinje system in ventricular escape rhythms?
• What is the use of oxygen by the mitochondria to produce ATP known as?
• Where do the majority of abdominal aortic aneurysms (AAAs) typically occur?
• Lidocaine and amiodarone are used to increase which period of the accessory pathway?
• What condition is described as the compliance of the lung when no air is moving?
• What arises from clots formed in the venous side of the heart?
• Diagnosis-Related-Groups (DRGs) constitute which type of payment program for Medicare patients?
• Tachycardia, tachypnea, and diaphoresis are considered what type of signs of hypoglycemia?
• What term describes the management strategy for aortic dissections that do not involve the ascending aorta?
• What term describes ventilation without perfusion?
• A run of wide QRS complex tachycardia triggered by a PAC is likely categorized as what condition?
• A chest X-ray revealing a flattened diaphragm and decreased expiratory flow rate suggests what type of pulmonary disease?
• What are the primary clinical indications of mesenteric ischemia?
• Which leads are most helpful in differentiating ventricular tachycardia (VT) from a supraventricular tachycardia (SVT) with aberrancy?
• Which of the following tubes does not have a cuff?
• Pseudomonas is associated with sputum that is predominantly what color?
• Which heart sound is signified by the presence of stiffened ventricles, often associated with ventricular hypertrophy?
• What is the term used for a spoken word that is heard clearly over an area of pneumonia during auscultation?
• Klebsiella pneumonia is most likely to produce what color of sputum?
• Which imaging technique is known to identify areas of myocardial infarction after a specific period?
• What syndrome is associated with proximal LAD artery disease and has a high risk of sudden cardiac death?
• In a junctional rhythm, if the ventricles are depolarized before the atria, the P wave will be represented where in relation to the QRS complex?
• In the majority of people, which artery supplies the AV node?
• Which medication is primarily used for its venous dilating properties?
• What is the primary goal of administering saline in cases of myoglobinuria?
• In a healthy individual, the PAOP/PAWP should be higher or lower than the PAD?
• Which receptors are activated by an increase in interstitial fluid volume?
• How much more diffusible is carbon dioxide compared to oxygen?
• What condition occurs when normal ferrous hemoglobin is converted to ferric hemoglobin, impacting oxygen transport?
• Rhonchi indicate ____________ in the airway and suggest that a patient should be helped to cough or that secretions should be suctioned.
• What is defined as a decrease in systolic pressure by 10 mm Hg or more during inspiration?
• In which condition is muscle weakness and fatigability primarily due to destruction of acetylcholine receptors?
• For patients with Acute Kidney Injury (AKI) or Acute Renal Failure (ARF), how much fluid is allowed for insensible loss plus the previous day's urine output?
• What is a primary clinical indicator of impaired oxygenation in the tissues?
• Which arrhythmia is characterized by changes in ventricular filling and preload as a result of breathing?
• If a junctional impulse reaches both the atria and the ventricles simultaneously, how will the P wave appear on an ECG?
• At which point in the ventilatory cycle should the pulmonary artery occlusive pressure be assessed?
• A split S2 is considered abnormal only if it occurs during which phase of respiration?
• Which class of antidysrhythmic agents does not include beta blockers?
• Which type of aortic dissection involves the ascending aorta and can propagate into the aortic arch?
• What is the primary diagnostic tool for acute aortic dissection?
• What physiological change occurs during isovolumetric contraction?
• Ventricular tachycardia is most likely to exhibit which axis deviation?
• What agents are primarily used as antispasmodics in catheterization lab patients?
• What is often the cause of rust-colored sputum?
• What is commonly used as first-line therapy for the chronic management of hypertension?
• Which electrolyte imbalances are known to increase sensitivity to digitalis toxicity?
• Which consequence often results from a massive pulmonary embolism?
• Staphylococcus infections are likely to produce sputum of which color?
• What type of breath sounds are characterized by a longer expiratory phase over lung consolidation?
• Myasthenia gravis (MG) is an autoimmune disorder affecting which receptors?
• Which factor is likely to worsen myocardial perfusion during cardiac events?
• What is the earliest auscultatory finding associated with left ventricular failure?
• When S4 is present, it indicates which type of heart dysfunction?
• What is the term for the accidental trapping of air in the lungs during ventilation?
• What expiratory maneuver is used to decrease air trapping in obstructive pulmonary disease?
• What describes perfusion without ventilation?
• What is considered the first-line therapy for chronic management of hypertension?
• Procainamide belongs to which class of antidysrhythmic drugs?
• What does static compliance reflect in the context of respiratory physiology?
• What type of ventilation flips the normal inspiration/expiration ratio making inspiration longer than expiration?
• Morphine is a venous vaso(constrictor/dilator) that does not cause a significant effect on the arteries. What is the correct term?
• Nitrites and nitrates can cause which condition when given in therapeutic doses?
• Which parameter is essential for hemodynamic monitoring in heart failure patients?
• For how long can a patient safely be on 100% FiO2 during mechanical ventilation?
• What are the two most common dysrhythmias associated with Wolff-Parkinson-White syndrome?
• Patients with chronic hypercapnia depend on secondary chemoreceptors that respond to which of the following?
• At what pH level is sodium bicarbonate generally reserved for use?
• An aneurysm that does not involve all layers of the artery is known as what?
• Comparatively, how does the risk of skin burns with biphasic waveform defibrillation stand against monophasic?
• Inverse ratio ventilation provides (more or less) time for inspiration compared to expiration?
• which of the following is true regarding vascular resistance in arterial and venous systems?
• What sound occurs in early diastole caused by a rapid opening of a stenotic mitral valve?
• What form of shock presents similarly to anaphylaxis but does not require prior exposure?
• Which electrolyte imbalance is associated with increased sensitivity to digitalis toxicity?
• What is the alternate term for pressure receptors in the body?
• How does diabetic ketoacidosis (DKA) lead to dehydration?
• How long will it typically take to observe changes in hemoglobin and hematocrit levels after a blood transfusion?
• Which lung is most commonly affected by aspiration episodes?
• How does an anaphylactoid reaction differ from an anaphylactic reaction?
• Murmurs of semilunar valve stenosis (aortic and pulmonic) are typically described as what type of pitch?
• In a ventricular septal rupture, what changes are expected in cardiac output and SvO2?
• In temporary pacemakers, what should the sensitivity be increased for?
• What is the reflex response caused by vasodilators stimulating baroreceptors?
• What is the earliest cardiac biomarker for a myocardial infarction, which elevates within 3 hours post-event?
• What failure results in competition between the pacemaker and the intrinsic rhythm?
• Which leads are considered the best for assessing P wave morphology?
• What heart sound is often associated with heart failure or volume overload?
• When managing respiratory conditions, which position is least beneficial for patients with difficulty breathing?
• In a clinical assessment, central cyanosis is evaluated by examining which body parts?
• Which class of antidysrhythmic agents is known for blocking potassium channels?
• What term describes the shearing of alveoli caused by excessively large tidal volumes?
• Which type of dissection is generally defined as being a surgical emergency?
• How is the ankle-brachial index (ABI) calculated?
• S4 is an indication of which type of dysfunction?
• What is pursed lip breathing specifically designed to achieve?
• What acid-base imbalances are likely to be seen in aspirin toxicity?
• During mechanical ventilation, for how many hours should exposure to 100% FiO2 be limited to, to avoid oxygen toxicity?
• Which organs are most susceptible to changes in pressure and perfusion due to hypertension?
• Crush injuries can liberate myoglobin into the blood, potentially causing which condition?
• What is the most common cause of hypoxemia in a surgical patient?
• For how long can a mean arterial pressure (MAP) of less than 60 mm Hg occur before potentially causing acute tubular necrosis (ATN) and acute kidney injury (AKI)?
• PAOP is primarily an indirect measure of which pressure?
• What level of anxiety is characterized by heightened awareness and increased problem-solving abilities?
• What is the threshold value for a normal PaO2/FiO2 ratio?
• A murmur of which condition is often present in dilated cardiomyopathy?
• Which condition is characterized by air entering the pleural space due to mechanical ventilation?
• What is a common complication of treating conditions with nitroglycerin?
• Which type of aortic dissection is generally not managed with surgical intervention?
• Which anxiety level is associated with dry mouth, palpitations, and rapid speech?
• What is the only escape rhythm available below the bundle of His?
• What is the effect of alkalosis on calcium levels in the blood?
• Which class of antihypertensives are African Americans known to have a poor response to?
• Which finding is most often associated with a traumatic diaphragmatic rupture?
• What color of sputum is commonly associated with Streptococcus infections?
• What is the primary goal of ibutilide in the management of atrial fibrillation?
• How does vasopressin help stop gastrointestinal bleeding?
• Verapamil and adenosine are typically used for which type of tachycardia?
• S3 is an indication of which type of dysfunction?
• What condition is associated with right lung infiltrates during aspiration events?
• 1 mm Hg is equivalent to how many centimeters of H2O?
• In the setting of pulmonary hypertension, what structural change occurs in the right ventricle?
• What clinical intervention may reduce preload in patients?
• What is the most common form of bifascicular block?
• Enhanced _______________, usually associated with catecholamines, is the most common cause of ectopic beats.
• In the context of echocardiography, deep T wave inversion in leads V2 and V3 is associated with which syndrome?
• What is the most common cause of death following vascular surgery?
• What is the normal oxygen consumption index (VO2I) in mL/min/m2?
• Which condition causes flaccid paralysis by partially depolarizing the muscle cell membrane?
• Inflation of a balloon to dilate which coronary artery could result in critical ischemia?
• What is the expected difference in systolic blood pressure between the thigh and arm?
• Which heart sound is usually associated with congestive heart failure?
• What is the additional height in centimeters to be added to the jugular venous distention (JVD) when estimating right atrial pressure from the angle of Louis?
• If the PAD is more than 5mmHg higher than the PAOP, what condition is likely present?
• Hypoperfusion of which organ triggers the renin-angiotensin-aldosterone system (RAAS)?
• Which type of dissection may extend proximally or distally, originating from the ascending aorta?
• A shift in the oxyhemoglobin dissociation curve to the right, such as in hyperthermia, does what to the affinity between oxygen and hemoglobin?
• What is the mechanism of action of furosemide (Lasix) regarding diuresis?
• What heart sound may occur with angina?
• A wide, notched P wave on an ECG indicates what type of atrial enlargement?
• Second degree AV block Type II is anatomically located at which location?
• How does PetCO2 typically compare to PaCO2?
• In ventricular tachycardia (VT), which lead would be predominantly positive?
• The depth of the S wave in which leads is assessed for voltage criteria in left ventricular hypertrophy?
• What sign refers to increased vocal resonance during lung examination?
• Which intervention is critical when managing patients on mechanical ventilation regarding oxygen levels?
• Shock triggers systemic inflammatory response syndrome (SIRS), which affects the permeability of the alveolar-capillary membrane in what way?
• Murmurs of atrioventricular valve stenosis (mitral and tricuspid) are typically described as what type of pitch?
• Which heart sound is more commonly associated with heart failure?
• Which of the following conditions requires careful monitoring of glucose due to risk of hypoglycemia?
• Isometric exercises, such as weight lifting, cause _________ maneuver and should be avoided in patients with stable angina.
• Left atrial enlargement is sometimes referred to as:
• Which type of acid-base imbalance occurs as a result of hyperventilation?
• What procedure involves the injection of a sclerosing agent into the pleural space for the treatment of pleural effusion?
• What pathogen is frequently found in public water supplies?
• What is the first drug used for a wide QRS complex tachycardia?
• The anterolateral heart wall is supplied by which coronary artery?
• What type of heart sound is an early systolic sound associated with aortic or pulmonic stenosis?
• What is the term for the phase of the cardiac cycle where contraction occurs without a change in volume?
• What is the most common complication of myocardial contusion?
• Which physiological response is primarily impaired in patients with chronic hypercapnia?
• Which type of cardiac arrhythmia is a significant contributor to ischemic stroke?
• What type of ventilation strategy can lead to volutrauma?
• How are murmurs of atrioventricular valve stenosis best described in terms of pitch and location?
• Which are the two most common dysrhythmias associated with Wolff-Parkinson-White syndrome?
• What is the normal range for adult resting heart rate?
• What substance is lactate in lactated Ringer's (LR) converted to by the liver?
• What heart sound is associated with the opening of a defective semilunar valve?
• What term refers to a misperception or misinterpretation of an actual external stimulus?
• Which marker's sensitivity is high but specificity is low in detecting myocardial infarction?
• Why is BNP correlated with PAOP and LVEDV?
• What effect does hypoxemia have on the pulmonary vasculature?
• BNP is correlated with which measurement because it is released in response to increased intravascular volume?
• Which rhythm is most likely to demonstrate Ashman's phenomenon?
• What type of toxicity must be monitored in a patient receiving a nipride gtt?
• What effect does hyperkalemia have on gastric motility?
• What can result from inflating a balloon to dilate the left main coronary artery?
• Which is the most significant cause of prerenal acute kidney injury?
• On a pulmonary artery waveform, the dicrotic notch represents the closure of which valve?
• Which condition is associated with a run of wide QRS complex tachycardia triggered by a premature ventricular contraction?
• What is the primary function of calcium channel blockers in the treatment of dysrhythmias?
• What is the most common presenting symptom in supraventricular tachycardias?
• Which diagnostic test is considered the most definitive for identifying an aortic rupture?
• In which phase of the cardiac cycle does the opening snap occur?
• Type I AV block, also known as Wenckebach, primarily affects which part of the heart?
• LBBB causes a paradoxical splitting of the (S1/S2) heart sound. This means that it is split on expiration but not on inspiration. What is the correct heart sound?
• What causes the shift of potassium from serum into cells during alkalosis?
• AV nodal blocks are commonly seen after which type of valve replacement?
• What is a common characteristic of panic anxiety levels?
• Which of the following statements is true regarding S4 heart sounds?
• During mechanical ventilation, how many days should FiO2 greater than 0.6 be limited to, to prevent oxygen toxicity?
• The definition of MODS requires involvement of how many organs?
• What is the most common side effect of nesiritide, a vasodilator with diuretic effects?
• Which term describes the pressure generated during isovolumetric contraction to open the semilunar valves?
• Which medication can be used for rapid control of atrial fibrillation in a patient with narrow QRS complex?
• What is the most common reason that organs of medically suitable potential donors are not recovered for donation?
• What treatment can help alkalize the urine in cases of myoglobinuria?
• What is the most likely mechanism for atrial tachycardias?
• Mitral stenosis can lead to the formation of large waves in which part of the PAOP waveform?
• Severe anxiety can be accompanied by which of the following symptoms?
• Kussmaul's breathing is associated with which condition?
• What does a decreased urine output suggest in relation to renal function?
• What does an increase in clarity of whispering during auscultation indicate when lung consolidation is present?
• Which cardiac arrhythmia is commonly linked to respiratory variations in heart rate?
• What condition is indicated if serum potassium is normal and the patient is experiencing acidosis?
• What is the primary role of a case manager in healthcare?
• What do type 2 pneumocytes produce that is essential for reducing surface tension in the alveoli?
• What hallmark feature is seen in atrial dysrhythmias resulting from right atrial enlargement due to COPD?
• Which of the following are target organs affected by hypertension?
• What happens to serum potassium levels as the pH is corrected in an acidotic patient?
• What is the ability to noninvasively change functions of a pacemaker using a device placed over the pulse generator called?
• What does the return of a pre-pacemaker rhythm in a patient with a pacemaker indicate?
• What is the term for the phenomenon when a patient says "e," and the examiner hears "a" upon auscultation?
• What is the cerebral perfusion pressure (CPP) range that must be maintained for autoregulation?
• Which node is supplied by the Right Coronary Artery in 55% of individuals?
• What does impaired perfusion equate to in terms of gas exchange?
• In an emergency, where should a needle puncture be done for decompression of a tension pneumothorax?
• Which coronary artery is primarily responsible for supplying the bundle of His and bundle branches?
• Murmurs of atrioventricular valve regurgitation are described as being what type of pitch?
• What complication can arise from overinflating an endotracheal tube cuff?
• What constitutes voltage criteria for left ventricular hypertrophy in terms of S wave in V1 or V2 and R wave in V5 or V6?
• Calcified aortic knob with extension of the aortic wall suggests the diagnosis of:
• What term describes the absence of the normal immune response to a particular antigen or allergen?
• Which drug category blocks maladaptive sympathetic nervous system innervation in heart failure?
• Which nervous system is classified as cholinergic?
• What is the most common cause of pulmonary hypertension?
• Morphine primarily dilates which type of blood vessels?
• What is the primary concern of patients awaiting an organ transplant?
• Which type of shock is most likely to be iatrogenic?
• What is a typical finding on an EKG that suggests right atrial enlargement?
• Nitroglycerin dosages must be above 1 mcg/kg/min to achieve which effect?
• Which type of dysfunction is indicated by an S3 sound?
• What type of shock is characterized by widespread infection leading to organ failure?
• What hormone secretion is inhibited by Phenytoin?
• What is the best indicator of intravascular volume?
• Pneumothorax associated with mechanical ventilation is referred to as what?
• What does the loss of the a wave in a PAOP waveform indicate?
• Which of the following are considered the 6 Ps of acute arterial occlusion?
• What is the process of movement of oxygen across the alveolar-capillary membrane called?
• Aortic dissections that include DeBakey Types 1 and 2 typically require what type of medical intervention?
• What does drawing hemoglobin and hematocrit levels immediately after a blood transfusion indicate?
• Diphasic P waves in lead V1 on a 12-lead EKG are considered?
• Which of the following is NOT a symptom of stable angina?
• Which acid-base imbalance is least likely to be compensated by the body?
• What condition should be considered when a patient has recurrent pulmonary embolisms despite anticoagulant therapy?
• An increase in which type of bilirubin indicates biliary obstruction?
• What type of anxiety is characterized by fear of dying and symptoms such as dyspnea and chest pain?
• In patients with a pacemaker, what does the absence of pacing spikes indicate?
• Dilating veins decreases which of the following?
• In the context of acute renal failure, what would a high BUN level relative to creatinine levels suggest?
• Where should the end of an enteral feeding tube be placed in a patient with acute pancreatitis?
• What potential consequence is associated with dilation of the left main coronary artery during a balloon angioplasty if not properly managed?
• A patient with a long R-R interval is more likely to experience which conduction phenomenon?
• What is a manifestation of left atrial enlargement seen on an EKG lead II?
• What are the two most detrimental timing errors in intra-aortic balloon pumps (IABPs)?
• Diseased vessels are ____________ and are not capable of dilation.
• What is the most likely reason that an advance directive may be ignored or overridden?
• Which atrium's activity is reflected by the PAOP waveform?
• What can a midsystolic click indicate?
• What condition is indicated if a patient requiring vascular surgery also has coronary artery disease?
• Corticosteroid therapy in transplant patients can lead to which condition?
• How does COPD contribute to atrial fibrillation and increase the risk of pulmonary embolisms?
• Which one of the following is a potential consequence of high systemic vascular resistance?
• What part of the EKG waveform corresponds to conduction through the atrioventricular node?
• What ST-T wave change is associated with left ventricular hypertrophy?
• How might septic shock alter the metabolic response in tissues?
• What condition is characterized by sudden cardiac death associated with a high-speed projectile object?
• Which lab results are commonly associated with Diabetic Ketoacidosis (DKA)?
• Which nervous system is classified as adrenergic?
• A BUN/creatinine ratio greater than 10:1 is indicative of which type of AKI?
• What is the classification of Morphine as a vasodilator?
• What is a common sign on an ECG of a patient with Wolff-Parkinson-White syndrome?
• A midsystolic click is most commonly associated with which type of valve prolapse?
• What percentage can atrial fibrillation reduce cardiac output by due to the loss of atrial kick?
• In which heart condition would you most likely measure prolonged QT intervals?
• Which type of myocardial infarction is most likely to cause blocks in the bundle of His or bundle branches?
• In the context of ventricular malfunction, which behavior requires an increase in voltage?
• Atrial contraction and propulsion of blood into a noncompliant ventricle produces which heart sound?
• Which type of stenosis is associated with a pinkish discoloration of the cheeks, known as "malar blush"?
• What is the most common type of wide QRS complex tachycardia?
• High levels of magnesium can lead to which of the following physiological changes?
• What are juxtacapillary receptors also known as?
• What is the common indication for using an arterial line in critical care?
• Which condition causes a notched and wide P wave greater than 0.1 second?
• Which factor is critical in the assessment of fluid balance in critically ill patients?
• The presence of an S3 heart sound indicates which type of dysfunction?
• What EKG finding indicates atrial enlargement?
• Which is the most common form of bifascicular block?
• A variation of greater than 15 mmHg between arm blood pressures can indicate which fatal condition?
• A PaO2/FiO2 ratio of less than or equal to 200 mm Hg is indicative of which condition?
• What effect does ethanol infusion have on blood glucose levels?
• What dietary restriction should be considered for encephalopathic patients with high ammonia levels?
• Where is emergency decompression of a tension pneumothorax typically performed?
• Which diagnostic test should be performed first for a probable diagnosis of a dissecting aortic aneurysm?
• What is the primary clinical use of Nitroprusside?
• Which of the following is a symptom of moderate anxiety?
• In the presence of lung consolidation, what does increased clarity of speech indicate when auscultating?
• What is the effect of passive range of motion on SvO2 levels?
• How many types are there in the DeBakey classification system for aortic dissections?
• An increase in which type of bilirubin is associated with hepatic disease or excessive hemolysis?
• Which type of valve stenosis is associated with left atrial enlargement and wide, notched P waves?
• In which type of scan do newly infarcted areas appear as "hot spots" within 1 to 7 days after a myocardial infarction?
• Which parameter is significantly decreased by suctioning, compared to passive range of motion?
• What physiological response occurs due to vasodilator stimulation of baroreceptors?
• The presence of an S4 heart sound typically indicates what condition?
• What effect on osmolality and urine sodium concentration is expected in a hypoperfused patient with normal kidneys?
• What is the leading cause of ARDS?
• What type of blood vessels does Hydralazine primarily dilate?
• What substance would a thoracic aortogram show leakage of in the event of aortic rupture?
• Bleeding time is primarily a reflection of which bodily function?
• Respiratory alkalosis can lead to increased binding between which two substances?
• Mitral stenosis causes which type of heart murmur?
• In which condition would you expect a widening mediastinum on a chest X-ray?
• What type of murmur is produced from aortic stenosis?
• Phosphorous and calcium have which type of relationship?
• All murmurs are high-pitched except those of which valves?
• Dilating arteries decreases which of the following?
• Central cyanosis occurs when how many grams of hemoglobin are desaturated?
• PetCO2 and PaCO2 have what type of relationship with regards to changes in ventilation?
• Where will an S4 heart sound (S4) typically be heard during auscultation?
• Which phenomenon is characterized by abnormal conduction patterns following a long R-R interval?
• What is the definitive treatment for Wolff-Parkinson-White syndrome?
• What are the three main purposes of PEEP?
• How long do the kidneys take to compensate for respiratory acid-base imbalances?
• How much more diffusible is carbon dioxide compared to oxygen?
• Nitroprusside is classified as what kind of vasodilator?
• What does left ventricular hypertrophy indicate about heart function?
• Which heart sound occurs in early diastole due to rapid opening of a stenotic mitral valve?
• What type of wave is primarily associated with the repolarization of the ventricles on an EKG?
• What is considered the best indicator of Glomerular Filtration Rate (GFR)?
• Within what time frame should fibrinolytic therapy ideally be initiated in the emergency department?
• What is a common psychological effect reported after a near-death experience?
• What type of acid-base imbalance is commonly seen in methanol intoxication?
• What is the preferred type of line for rapid IV fluid administration in severe shock?
• Which drug is commonly utilized in vascular surgery patients to inhibit platelet aggregation at the site of intimal trauma?
• A significantly elevated LDH, such as in acute respiratory syndrome, is associated with __________________ involvement.
• What does a technetium scan indicate when diagnosing myocardial infarctions (MIs)?
• What is the expected physiological effect of increasing PEEP?
• What is the role of potassium in cardiac function?
• What is a potential consequence of nitroprusside use due to vasodilation?
• What are the skin changes typically seen in chronic peripheral arterial disease?
• Which components make up oxygen delivery (DO2)?
• Which pulse pressure pattern is primarily associated with mitral regurgitation?
• When is BNP released in the body?
• What are the three fascicles of the intraventricular conduction system?
• What heart sound is commonly associated with angina?
• What phase of the cardiac cycle occurs when the valves are closed and contraction happens without a change in volume?
• What is a common consequence of increased afterload on the left ventricle?
• Patients receiving treatment for chronic heart failure may experience which of the following symptoms?
• What part of the heart is supplied by the right coronary artery in most individuals?
• Polycythemia is associated with which of the following conditions?
• What does an increase in left ventricular weight suggest when evaluating cardiac hypertrophy?
• What type of pulse pressure is associated with aortic regurgitation?
• What is the effect of positive pressure ventilation on cardiac output and kidney perfusion?
• Murmurs of semilunar valve regurgitation (aortic and pulmonic) are typically described as what type of pitch?
• What is the primary function of type 2 pneumocytes in the lungs?
• SA blocks and second-degree AV block type I would occur in occlusion of which artery?
• Triggered activity, related to __________________ problems, is the cause of torsades de pointes.
• What substance does the liver convert lactate to?
• How does High Fowler's position affect abdominal pressure and diaphragmatic excursion?
• Which of the following is a complication of untreated mitral stenosis?
• What is a common clinical presentation of patients with left heart failure?
• The hypoxemia that results from COPD causes the release of which substance from the kidney?
• What condition is referred to as forward failure of the left ventricle?
• What is the best position for a dyspneic patient?
• When performing CPR, what should be the ratio of chest compressions to breaths in adult patients?
• What is the normal range of methemoglobin levels in adults?
• What is the appropriate guideline for oxygen therapy in patients with chronic hypercapnia?
• How does positive pressure ventilation affect venous return to the heart?
• What is a Greenfield filter used for in clinical settings?
• S3 and S4 heart sounds are best heard with which part of a stethoscope?
• How does the body respond to hypoperfusion due to shock in terms of plasma membrane permeability?
• What maneuver should be performed to prevent an air embolism from affecting the right ventricular outflow tract?
• Which coronary artery supplies the inferior wall of the heart?
• What amino acid can trigger a hypertensive crisis in patients taking MAO inhibitors?
• What is the earliest cardiac biomarker that can indicate myocardial injury?
• Which condition can cause hypercalcemia?
• What is the primary action of beta blockers in managing dysrhythmias?
• Which heart chamber is at the greatest risk for trauma in myocardial contusion?
• What effect does dilating veins have on cardiac preload?
• What does systemic vascular resistance (SVR) indirectly measure?
• What behavior is often observed in patients shortly after an acute myocardial infarction?
• What constitutes the voltage criteria for left ventricular hypertrophy?
• When placing a feeding tube for acute pancreatitis, which anatomical location is preferred for reduced risk of aspiration?
• When should dextrose be added to IV fluids for a DKA patient?
• Patients with left ventricular failure will often show changes in which type of wave on the PAOP waveform?
• What is the main therapeutic benefit of dilating arteries?
• In clinical practice, how is the effect of chronic hypertension often assessed?
• Which of the following is the most common form of bifascicular block?
• What heart sound is produced by rapid ventricular filling into an already distended ventricle?
• An increase in auto-PEEP is indicative of what condition?
• What should be targeted to help manage oxygen levels in patients with chronic respiratory failure?
• What is the most common complication of infective endocarditis?
• Which of the following electrolyte disturbances is most commonly seen in an acidotic state?
• If a junctional impulse reaches both the atria and the ventricles simultaneously, how will the P wave appear?
• What is the effect of high carbon dioxide levels on respiration?
• What does Kehr's sign indicate?
• Consolidation in pneumonia typically causes ___ percussion over the affected area and ___ breath sounds.
• Which of the following best describes the role of ventricular function in hypotension?
• What type of drug is carvedilol (Coreg)?
• Which physiological change is associated with severe anxiety?
• What is one common diagnostic test used to rule out myocardial infarction in cases of suspected acute aortic dissection?
• A third-degree AV heart block would have to be blocked above the bundle of His to have what kind of rhythm?
• Which physiological change is commonly associated with chronic obstructive pulmonary disease (COPD)?
• What therapeutic effect does vasopressin have in high doses?
• In which type of aortic dissection does the origin typically occur in the descending aorta?
• Which condition is most likely to present with a visible P wave?
• What factor primarily affects the driving pressure of oxygen?
• Does warfarin prolong bleeding time?
• In a ventilated patient with status asthmaticus, which condition should be assessed?
• Driving pressure of oxygen is affected by which two factors?
• Aortic dissection causes what radical change in the blood flow to ischemic areas when using specific medications?
• How is normal oxygen delivery predominately measured?
• What is the normal blood pressure variation between arms in mm Hg?
• In terms of lung function, what do J receptors respond to?
• Which of the following might indicate a need for further assessment in a patient with a suspected cardiovascular issue?
• Stunned myocardium and intraoperative myocardial infarction are likely to cause what change in PAOP?
• Which artery is commonly used as a graft for Minimally Invasive Direct Coronary Artery Bypass Grafting (MIDCABG)?
• What is the maximum duration for which sleep deprivation can impact mental functioning?
• What is the most significant cause of prerenal acute kidney injury (AKI)?
• What aspect does an S3 heart sound in adults most commonly indicate?
• 1 kg of body weight corresponds to approximately how many mL of fluid loss?
• In the treatment of atrial fibrillation, what does ibutilide (Corvert) primarily do?
• What does pulmonary artery occlusion pressure (PAOP) indirectly measure?
• Which type of wave on the PAOP waveform is caused by mitral regurgitation?
• What is the optimal pulmonary artery occlusive pressure (PAOP) in a patient with cardiogenic shock?
• Which of the following is a sign of cholinergic overdose?
• Which level of anxiety is characterized by distorted perceptions and symptoms like hyperventilation and pupil dilation?
• Approximately what percentage of ischemic strokes are attributed to atrial fibrillation (afib)?
• High pressures caused by cardiac tamponade and left ventricular failure result in large a and what other type of wave on a PAOP waveform?