Medical MCQs

5099 MCQs  (Page 415 of 510)

Blockers are used in all except_____________?
A. Phenochyromocytoma
B. Migraine
C. Thyrotoxcosis
D. Secondary shock
Beta2 adrenergic receptor stimulating drugs are used in_______________?
A. Bronchial asthma
B. Cardiac asthma
C. Hypertension
D. Angina pectrosis
Which of the following is antiasthmatic_____________?
A. Histamine
B. Salbutamol
C. Acetylcholine
D. Serotonin
Alpha blocker used as anti hypertensive agent_____________?
A. Alpha methyl dopa
B. Prazosin
C. Clonidine
D. Propranolol
Drug chemically related to penicillins is_____________?
A. Tetracycline
B. Sulphonamide
C. Cephalosporin
D. Lincemycin
Mechanism of action of nifidipine is_____________?
A. It has a prominent smooth muscle relaxant action causes arteolar dilation leading to fall in blood pressure
B. Nifidipine depresses the sa node thus decreasing mycocoardial excitability
C. Mainly depression of a-v conduction
D. Decreased cardiac output thus decreasing load on myocardium