41. A patient receiving a class I antiarrhythmic agent on a chronic basis complains of fatigue, low-grade fever, and joint pain suggestive of systemic lupus erythematosus (SLE). The patient is most likely receiving
(a) Lidocaine
(b) Procainamide
(c) Quinidine
(d) Flecainide
(e) Propranolol
Ans: B
42. Which of the following drugs is a class IV antiarrhythmic that is primarily indicated for the treatment of supraventricular tachyarrhythmias?
(a) Lbutilide
(b) Mexiletine
(c) Diltiazem
(d) Quinidine
(e) Propranolol
Ans: C
43. Which of the following agents has a direct effect on the AV mode, delaying calciumchannel depolarization?
(a) Lidocaine
(b) Diltiazem
(c) Bretylium
(d) Quinidine
(e) Lbutilide
Ans: B
44. Which of the following drugs is a class III antiarrhythmic agent that is effective in the acute management of atrial fibrillation or atrial flutter of recent onset ?
(a) Bretylium
(b) Lbutilide
(c) Metoprolol
(d) Disopyramide
Ans: B
45. Which of the following groups of symptoms is most often associated with a patient who has right-sided heart failure?
(a) Nocturia, rales, paroxysmal nocturnal dyspnea
(b) Paroxysmal nocturnal dyspnea, pedal edema, jugular venous distention, hepatojugular reflux
(c) Jugular venous distention, hepatojugular reflux, pedal edema, shortness of breath
(d) Hepatojugular reflux, jugular venous distension, pedal edema, abdominal distention
(e) Paroxysmal nocturnal dyspnea, jugular venous distention, abdominal distention, shortness of breath
Ans: D
46. Which of the following combinations of drugs, when used together, reduce both preload and afterload?
(a) Nitroglycerin and isosorbide dinitrate
(b) Hydralazine and isosorbide dinitrate
(c) Captopril and methyldopa
(d) Prazosin and angiotension II
(e) Hydralazine and methyldopa
Ans: B
47. When digoxin is used in a patient with congestive heart failure (CHF), it works by exerting a positive effect on
(a) Stroke volume
(b) Total peripheral resistance
(c) Heart rate
(d) Blood pressure
(e) Venous return
Ans: A
48. Because of proven beneficial effects on “cardiac remodeling”, these agents are now indicated as first line therapy in CHF patients. Which of the following is
representative of this group of drugs?
(a) Hydrochlorothiazide
(b) Enalapril
(c) Furosemide
(d) Carvedilol
(e) Bumetanide
Ans: B
49. For treating the patient with congestive heart failure (CHF), which of the following dosages of dopamine is selected for its positive inotropic effects?
(a) 2.0 mg/kg/min
(b) 5–10 mg/kg/min
(c) 10–20 mg/kg/min
(d) 40 mg/kg/min
(e) 40 mg/kg/min
Ans: B
50. Milrinone is an example of
(a) Phosphodiesterase I inhibitor
(b) Phosphodiesterase II inhibitor
(c) Phosphodiesterase III inhibitor
(d) Phosphodiesterase IV inhibitor
Ans: C
(a) Lidocaine
(b) Procainamide
(c) Quinidine
(d) Flecainide
(e) Propranolol
Ans: B
42. Which of the following drugs is a class IV antiarrhythmic that is primarily indicated for the treatment of supraventricular tachyarrhythmias?
(a) Lbutilide
(b) Mexiletine
(c) Diltiazem
(d) Quinidine
(e) Propranolol
Ans: C
43. Which of the following agents has a direct effect on the AV mode, delaying calciumchannel depolarization?
(a) Lidocaine
(b) Diltiazem
(c) Bretylium
(d) Quinidine
(e) Lbutilide
Ans: B
44. Which of the following drugs is a class III antiarrhythmic agent that is effective in the acute management of atrial fibrillation or atrial flutter of recent onset ?
(a) Bretylium
(b) Lbutilide
(c) Metoprolol
(d) Disopyramide
Ans: B
45. Which of the following groups of symptoms is most often associated with a patient who has right-sided heart failure?
(a) Nocturia, rales, paroxysmal nocturnal dyspnea
(b) Paroxysmal nocturnal dyspnea, pedal edema, jugular venous distention, hepatojugular reflux
(c) Jugular venous distention, hepatojugular reflux, pedal edema, shortness of breath
(d) Hepatojugular reflux, jugular venous distension, pedal edema, abdominal distention
(e) Paroxysmal nocturnal dyspnea, jugular venous distention, abdominal distention, shortness of breath
Ans: D
46. Which of the following combinations of drugs, when used together, reduce both preload and afterload?
(a) Nitroglycerin and isosorbide dinitrate
(b) Hydralazine and isosorbide dinitrate
(c) Captopril and methyldopa
(d) Prazosin and angiotension II
(e) Hydralazine and methyldopa
Ans: B
47. When digoxin is used in a patient with congestive heart failure (CHF), it works by exerting a positive effect on
(a) Stroke volume
(b) Total peripheral resistance
(c) Heart rate
(d) Blood pressure
(e) Venous return
Ans: A
48. Because of proven beneficial effects on “cardiac remodeling”, these agents are now indicated as first line therapy in CHF patients. Which of the following is
representative of this group of drugs?
(a) Hydrochlorothiazide
(b) Enalapril
(c) Furosemide
(d) Carvedilol
(e) Bumetanide
Ans: B
49. For treating the patient with congestive heart failure (CHF), which of the following dosages of dopamine is selected for its positive inotropic effects?
(a) 2.0 mg/kg/min
(b) 5–10 mg/kg/min
(c) 10–20 mg/kg/min
(d) 40 mg/kg/min
(e) 40 mg/kg/min
Ans: B
50. Milrinone is an example of
(a) Phosphodiesterase I inhibitor
(b) Phosphodiesterase II inhibitor
(c) Phosphodiesterase III inhibitor
(d) Phosphodiesterase IV inhibitor
Ans: C
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