Drugs Acting On Central Nervous System Mcqs
Q.1: Mechanism of action of nifidipine is_____________?2
A. It has a prominent smooth muscle relaxant action causes arteolar dilation leading to fall in blood pressurek
B. Nifidipine depresses the SA node thus decreasing mycocoardial excitabilityJ
C. Mainly depression of A-V conduction#
D. Decreased cardiac output thus decreasing load on myocardium;
Q.2: The mechanism of action of sodium nitroprusside is_____________?@
A. Increases cAMP
B. Direct Vasodilator
C. Calcium channel blocker
D. Block the sympathetic flow at hypothalamus*
Q.3: Morphine is a_____________?
A. Sedative
B. Alkaloid
C. Diuretic
D. Anti hypertensive
Q.4: Which of the following cardiac depressants is contraindicated in a patient with cardiac arrhythmia____________?o
A. Lidocaine
B. Quinidine
C. Phenytoin
D. Propranolol
Q.5: Quindine is used to treat______________?(
A. Hypertension
B. Angina pectoris
C. Atrial fibrillation
D. Congestive heart failure
Q.6: The potent anti arrhythmic drug which has little negative ionotropic effect valuable in patients with poor left ventricular function_____________?
A. Amlodipine
B. Bidoprolo
C. Amiodarnone
D. Digoxin
Q.7: The following drugs are useful in hypertension except_____________?C
A. Calcium channel blockers
B. Alpha methyl dopa
C. Beta blockers
D. Pentoxifyline
Q.8: Hypokalemia is seen in therapy with____________?0
A. Digitalis
B. Ibuprufen
C. Corticosteroids
D. Diazepam
Q.9: Alpha blocker used as anti hypertensive agent_____________?;
A. Alpha methyl DOPA
B. Prazosin
C. Clonidine
D. Propranolol
Q.10: Isosorbide 5 mononitrate is preferred because____________?>
A. Less tolerance develops
B. Sublingual absorption is better
C. Longer duration of action
D. Direct coronary vasodilatory action is more+

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