Mcq Subject: Pharmacology
Propranolol is drug of choice for –
A. Ulcerated infantile hemangioma
B. Lymphangioma
C. Pyogenic granuloma
D. Capillary malformation
View DescriptionAcetazolamide is given to a patient of angle closure glaucoma. It is a non- competitive inhibitor of carbonic anhydrase enzyme. Which of the following should be the effect of this drug?
A. Decrease in Vmax
B. Decrease in Km
C. Decrease in both Km and Vmax
D. No change in Vmax
View DescriptionAll are topical hemostatic agents except?
A. Bone wax & patty
B. HemCon bandage
C. Quikclot
D. Fixclot
View DescriptionDapsone is used for treatment of bacterial and fungal infections as well as for immunomodulatory actions. What is mechanism of dapsone for these indication?
A. Inhibition of cell wall synthesis
B. Inhibition of ergosterol in cell membranes
C. Inhibition of protein synthesis
D. Competition with PABA in folic acid synthesis
View DescriptionPatient is a known case of epilepsy, taking levetiracetam 1 gm BD. He is now seizure free from 2 years but he developed agitation and anger issues interfering with day to day activities as a result of the drug intake. What should be the next best step?
A. Stop levetiracetam and sta on a different antiepileptic
B. Discontinue the drug as he is seizure free
C. Slowly taper the drug over next 6 months
D. Continue levetiracetam since a 5-year seizure free interval is needed
View DescriptionOne of the many mechanisms of adverse events is its increased binding to secondary targets, usually proteins. With respect to the primary target, the secondary target:
A. Should be present in the same tissue as the primary target
B. Should have similar binding sites
C. Should have absolutely identical secondary structure
D. Should have a similar primary structure
View DescriptionGanglionic transmission is mediated by:
A. Presynaptic alpha-receptors
B. Postsynaptic beta-receptors
C. Postsynaptic dopaminergic receptors
D. Postsynaptic nicotinic receptors
View DescriptionAdverse effects of salbutamol are all except
A. Tremors
B. Tachycardia
C. Hypoglycemia
D. Hypokalemia
View DescriptionThe most common side effect of the oral administration of ampicillin is
A. Anaphylactic shock
B. Diarrhoea
C. Oral candidiasis
D. Renal failure
View DescriptionA patient is administered 200 mg of a drug. 75 mg of the drug is eliminated from the body in 90 minutes. If the drug follows first order kinetics, how much drug will remain after 6 hours?
A. 12.5 mg
B. 25 mg
C. 30 mg
D. 50 mg
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