pharmacology MCQs – Page 19

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

pharmacology Mcqs
361. Alpha blocker used as anti hypertensive agent_____________?
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A. Propranolol

B. Alpha methyl DOPA

C. Clonidine

D. Prazosin
362. Colour of teeth stained by tetracycline appear _________ under UV light?
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A. Red

B. Green

C. Brown

D. Yellow
363. Which one of the following can be blocked by atropine ?
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A. Tachycardia caused by exercise

B. Decreased blood pleasure caused by hexamethonium

C. Increased blood pressure caused by nicotine

D. Tachycardia caused by infusion of acetylcholine

364. A patient has seasonal allergic rhinitis and is on terfenadine, He develps cardiac arrhythmias after a course of antibiotics. Which of the following antibiotic could have been given_____________?
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A. Tetracyclin

B. Erythromycin

C. Co-trimoxazole

D. Ampicillin

365. Which of the following is a 4th generation cephalosporin______________?
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A. Ceftrioxone

B. Cefuroxime

C. Cefaclor

D. Cefepime
366. Which of the most effective for drug asymptomatic amoebic cysts ?
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A. Furazolidone

B. Diloxanide furoate

C. Quinidochlor

D. Metronidazole

367. Optic neuritis is a side effect of______________?
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A. Pyrazinamide

B. Rifampicin

C. INH

D. Ethambutol
368. Disseminated candidiasis requires intensive therapy with_____________?
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A. Thiobendazole

B. Nystatin

C. Amphotericin

D. Interferons

369. Adrenaline is used in following EXCEPT______________?
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A. With xylocaine

B. Post extraction socket

C. Anaphylactin shock

D. Angina in dental chair

E. Both B & D
370. All of the following drugs are primarily bacteriostatic except______________?
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A. Rifampin

B. Ethambutol

C. Chloramphenicol

D. Sulphonamide

371. The following drugs are avoided with warfarin ______________?
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A. Codeine, dihydrocodeine, paracetmol

B. Antacids

C. Benzodiazepine

D. Nsaids like Ibuprofen
372. Curare poisoning is characterised by________________?
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A. Doesnt release histamine

B. Hypertension

C. Hypotension

D. Oral route of administration is the best route

373. All of the following are endogenous corticosteriods released by all adrenal cortex EXCEPT______________?
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A. Cortisol

B. Dexamethsone

C. Aldosterone

D. Cortisone

374. Which one of the following drugs is not a non depolarizing competitive neuromuscular blocker ?
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A. Doxacurim

B. Rocuronium

C. Mivacurium

D. Decamethonium
375. Mechanism of action of beta-lactam antibiotics would be______________?
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A. Inhibition of cell wall peptidoglycan synthesis by competitive inhibition of transpetidases

B. Inhibition of bacterial protein synthesis by binding to subunit of bacterial ribosomes

C. Inhibition of DNA synthesis by inhibiting DNA-Dependent RNA polymerase

D. Reduced drug causes strand breaks in DNA

376. Which of the following penicillins has the best gram negative spectrum ?
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A. Ampicillin

B. Methicillin

C. Cefixime

D. Penicillin V

377. Tetracycline acts on______________?
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A. Cell membrane

B. Inhibiting DNA gyrase

C. 50S ribosomes

D. 30S ribosomes
378. Which of the following can be given as a single dose antimalarial for P.vivax malaria______________?
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A. Atovaquone + Proguanil

B. Pyrimethamine + Sulfadoxime

C. Quinine + Tetracycline

D. Artemisinin

379. Which among the following is the drug of choice for clostridium difficile induced colitis ?
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A. Metronidazole

B. Linezolid

C. Gentamicin

D. Ciprofloxacin

380. Penicillin is effective against_____________?
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A. Neisseria gonorrhoeae

B. Neisseria meningitis

C. Treponema Pallidum

D. All of the above