61. In case of acute pain of angina pectoris the most effective treatment would be to administer
(a) Mannitol hexanitrate
(b) Erythrityl tetranitrate
(c) Sodium nitrate
(d) Pentaerythritol tetranitrate
(e) Nitroglycerin
Ans: E
62. Which of the following is used to lower blood lipid levels?
(a) Trimethadione
(b) Clofibrate
(c) Flucytosine
(d) Coumarin
(e) Propranolol
Ans: B
63. The chief use of levoarterenol is to treat
(a) Shock
(b) Diabetes
(c) Hypertension
(d) Cardiac arrhythmias
(e) Iron deficiencies
Ans: A
64. Tolerance to nitroglycerin may be overcome by
(a) Initially using the largest safe dose of the drug
(b) Using other nitrites
(c) Temporarily discontinuing the drug for one or two weeks
(d) Use of higher doses
(e) None of the above
Ans: C
65. Quinidine can cause paradoxical tachycardia in a patient of
(a) Stick sinus syndrome
(b) Auricular extrasystoles
(c) Auricular fibrillation
(d) Ventricular extrasystoles
Ans: C
66. Quinidine is now used primarily for
(a) Conversion of auricular fibrillation to sinus rhythm
(b) Control of ventricular rate in atrial flutter
(c) Termination of ventricular tachycardia
(d) Prevention of recurrences of atrial and ventricular extrasystoles/tachycardias
Ans: D
67. Procainamide differs from quinidine in the following respect
(a) It does not cause paradoxical tachycardia
(b) It has no alfa adrenergic blocking activity
(c) It has little antivagal action
(d) Both (b) and (c)
Ans: D
68. In heart, potassium channels determine
(a) Pacemaker function
(b) Resting potential
(c) Action potential duration
(d) All of the above
Ans: D
69. Lidocaine is the preferred antiarrhythmic for emergency control of cardiac arrhythmias following acute myocardial infarction because
(a) It has a rapidly developing and titratable antiarrhythmic action
(b) It casues little myocardial depression and hypotension
(c) It has broad spectrum antiarrhythmic efficacy in atrial as well as ventricular arrhythmias
(d) Both (a) and (b)
Ans: D
70. Hypothyroidism is a possible consequence of prolonged therapy with
(a) Procainamide
(b) Mexiletine
(c) Sotalol
(d) Amiodarone
Ans: D
(a) Mannitol hexanitrate
(b) Erythrityl tetranitrate
(c) Sodium nitrate
(d) Pentaerythritol tetranitrate
(e) Nitroglycerin
Ans: E
62. Which of the following is used to lower blood lipid levels?
(a) Trimethadione
(b) Clofibrate
(c) Flucytosine
(d) Coumarin
(e) Propranolol
Ans: B
63. The chief use of levoarterenol is to treat
(a) Shock
(b) Diabetes
(c) Hypertension
(d) Cardiac arrhythmias
(e) Iron deficiencies
Ans: A
64. Tolerance to nitroglycerin may be overcome by
(a) Initially using the largest safe dose of the drug
(b) Using other nitrites
(c) Temporarily discontinuing the drug for one or two weeks
(d) Use of higher doses
(e) None of the above
Ans: C
65. Quinidine can cause paradoxical tachycardia in a patient of
(a) Stick sinus syndrome
(b) Auricular extrasystoles
(c) Auricular fibrillation
(d) Ventricular extrasystoles
Ans: C
66. Quinidine is now used primarily for
(a) Conversion of auricular fibrillation to sinus rhythm
(b) Control of ventricular rate in atrial flutter
(c) Termination of ventricular tachycardia
(d) Prevention of recurrences of atrial and ventricular extrasystoles/tachycardias
Ans: D
67. Procainamide differs from quinidine in the following respect
(a) It does not cause paradoxical tachycardia
(b) It has no alfa adrenergic blocking activity
(c) It has little antivagal action
(d) Both (b) and (c)
Ans: D
68. In heart, potassium channels determine
(a) Pacemaker function
(b) Resting potential
(c) Action potential duration
(d) All of the above
Ans: D
69. Lidocaine is the preferred antiarrhythmic for emergency control of cardiac arrhythmias following acute myocardial infarction because
(a) It has a rapidly developing and titratable antiarrhythmic action
(b) It casues little myocardial depression and hypotension
(c) It has broad spectrum antiarrhythmic efficacy in atrial as well as ventricular arrhythmias
(d) Both (a) and (b)
Ans: D
70. Hypothyroidism is a possible consequence of prolonged therapy with
(a) Procainamide
(b) Mexiletine
(c) Sotalol
(d) Amiodarone
Ans: D
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