Medical MCQs

5099 MCQs  (Page 416 of 510)

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
Morphine is a_____________?
A. sedative
B. alkaloid
C. diuretic
D. anti hypertensive
Quindine is used to treat______________?
A. Hypertension
B. Angina pectoris
C. Atrial fibrillation
D. Congestive heart failure
The following drugs are useful in hypertension except_____________?
A. Calcium channel blockers
B. Alpha methyl dopa
C. Beta blockers
D. Pentoxifyline
Hypokalemia is seen in therapy with____________?
A. Digitalis
B. Ibuprufen
C. Corticosteroids
D. Diazepam
When broad spectrum antibiotics are administered with coumarin anticoagulants, the anticoagulant action may be____________?
A. Reduced because of enhanced hepatic drug metabolism
B. Reduced because of increased protein binding
C. Increased because of reduction of vitamin sources
D. Increase because of decrease renal excretion of the anticoagulant
Granesetron, the antiemetic properties because of____________?
A. Dopaminergic receptor – blocking actions
B. Gabamimetic actions
C. Gaba-inhibitory actions
D. Serotonin receptor – blocking action