pharmacology MCQs – Page 21

Practise focused pharmacology questions with marked answers for exam preparation and subject revision.

pharmacology Mcqs
401. Which of the following is caused by Amphotericin B____________?
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A. Hyperkalemia

B. Hyponatremia

C. Hypermagnesemia

D. Hypo Kalemia
402. An excess of which of the following hormones may be associated with increased sensitivity to epinephrine ?
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A. Parathyroid

B. Thyroid

C. Insulin

D. Testosterone

403. Clavulanic acid added to ampicillin causes_____________?
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A. Increase effectivity against gram-positive organisms

B. Increase the effectiveness against delta lactamase producing organism

C. Increase effectivity against gram-negative organisms

D. Inhibition of B-lactamases
404. Slufonamides mainly interferes with the bacterial______________?
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A. Translation

B. Transcription mechanisms

C. Ribosomal function

D. PABA
405. Agents/Drugs which help in rapid coagulation of Blood_______________?
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A. Haemostatics

B. Astrigents

C. All of the above

D. Styptics

406. Antifungal drug not used in the treatment of imtestinal candidiasis______________?
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A. Clotrimazole

B. Nystatin

C. Amphotericin

D. Ketoconazole

407. All of the following have receptors which are transcription factors except____________?
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A. Vitamin D

B. Estrogen

C. Glucocorticoid

D. Insulin
408. Ototoxicity and nephrotoxicity is caused by______________?
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A. antibiotic

B. Antifungal

C. Antiviral

D. Antiemetic

409. Tetracyclines act by__________________?
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A. Inhibiting peptidyl transferase

B. Inactivating elongation factors

C. Inhibiting the binding of aminoacyl tRNA to the ribosomal complex

D. Causing misreading of mRNA

410. In the treatment of intestinal of intestinal and extraintestinal amoebiasis which of the following drug is useful____________?
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A. Metronidazole

B. Cefaclor

C. Chloroquine

D. Diloxane

411. Which of the following drug does not show renal toxicity_____________?
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A. Streptomycin

B. Gentamycin

C. Methoxyprenaline

D. Isoflurane
412. Which of the following is a characteristic of tetracycline stains ?
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A. Stained teeth fluoresce light yellow under U.V light

B. Stains are dark brown in color

C. There is less deposition in dentine as compared to enamel

D. Is always accompanied by hypolastic defects

413. One of the following is not penicillinase susceptible______________?
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A. Piperacillin

B. Cloxacillin

C. Penicillin G

D. Amoxicillin

414. Role of Heparin_____________?
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A. Prevents synthesis of prothrombin

B. Prevents synthesis of fibrinogen

C. Prevents prothrombin conversion to thrombin

D. Prevents conversion of fibrinogen to fibrin

415. Which of the following drugs is not hypoglycemic?
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A. Gluengon

B. Glibenclamide

C. Tolbutamide

D. Ethosuxinide

416. The highest risk associated with use of oral contraceptives in________________?
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A. Permanent sterility

B. Thromboembolic disorders

C. Cancer of breast

D. Hepatic necrosis

417. Which of the following receptors is activated by acetylcholine and blocked by atropine______________?
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A. Nicotinic

B. Beta 1 and 2

C. Alpha 1 and 2

D. Muscarinic
418. All except one are centrally acting muscle blocks___________?
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A. Diazepam

B. Dantrolene sodium

C. Meprobamate

D. Baclofen

419. Which among the drugs given below, does Not act by protease inhibition ?
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A. Saquinavir

B. Ritonavir

C. Zanamivir

D. Nelfinavir

420. The drug of choice for treatment of tyhoid is____________?
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A. Metronidazole

B. Ciprofloxacin

C. Tetracycline

D. Cefotaxim