pharmacology MCQs – Page 28

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

pharmacology Mcqs
541. Identify the factors which decrease the effect of Oral anticoagulants_______________?
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A. Pregnancy

B. Nephrotic syndorme

C. Newborn

D. Liver disease

E. Both A & B
542. Drugs causing hyperglycemia_______________?
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A. Glucocorticoids

B. a-blockers

C. Acetylcholine

D. B-blocker

543. Dry mouth during antidepressant therapy is caused by blockade of______________?
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A. Dopaminergic receptors

B. Serotonergic receptors

C. Muscarinic acetylcholine receptors

D. GABA receptors

544. The drug for choice for treatment of infection involving non-penicillinase producing staphylococcus is___________?
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A. Penicilling G

B. Ampicillin

C. Erythromycin

D. Methicillin sodium

545. Desfuroxamide is a drug used for____________?
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A. Kala azar

B. Pernicious anaemia

C. Pain control

D. Thalassemia
546. The drug which is used to treat laryngospasm is_______________?
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A. Atropine

B. Neostigmine

C. Diazepam

D. Succinylcholine
547. Mode of action of sulphonyl ureas includes all the following except______________?
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A. Decreasing Glucose absorption from the qut

B. Inhibiting gluconeogenesis in liver

C. Activating receptors on beta cells of pancreas to release insulin

D. Enhancing insulin mediated post receptor enzyme reaction

548. Oral infection by penicillinase producing organisms should be treated with____________?
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A. Ampicillin

B. Dicloxacillin

C. Erythromycin

D. Any of the above

549. The antibiotic of choice in patients sensitive to penicillin is___________?
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A. Tetracycline

B. Chloramphenicol

C. Erythromycin

D. Streptomycin

550. Tetracycline in children causes____________?
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A. Peg teeth

B. Calcification

C. Discolored teeth

D. Missing teeth

551. The intramuscular administration of 0.6 mg of atropine sulphate to a 50 kg adult may produce all of the following effects except_____________?
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A. Bradycardia

B. Decreased Sweating

C. Mydriasis

D. Decreased Salivation

552. The therapeutic advantage that pencillin V has over pencillin G is____________?
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A. Greater resistance to pencillinase

B. More reliable oral obsorption

C. Broader antibacterial spectrum

D. Slower renal excretion

553. Which of the following penicillins is given by oral route ?
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A. Benzathine penicillin

B. Procaine pencillin

C. Penicillin V / Phenoxymethyl penicillin

D. Benzyl penicillin

554. True about aminoglycoside is all except______________?
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A. Excreted unchanged in urine

B. Teratogenic

C. Are bacteriostatic

D. Distributed only extracellularly

555. Which of the following is beta-lactam antibiotic ?
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A. Carbamide

B. Sulphonamide

C. Ofloxacin

D. Cephalosporins
556. Short-acting non-depolarising muscle relaxant is________________?
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A. Succinylcholine

B. Decamethonium

C. Pancuronium

D. Mivacurum
557. Which drug can be safely used in lactating mothers ?
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A. Ampicillin

B. Erythromycin

C. Ciprofloxacin

D. Chloramphenicol

558. Succinylcholine prevents bronchospasm by______________?
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A. Centrally acting muscle relaxation

B. Dual action

C. Direct muscle relaxation

D. Depolarising block
559. Indirect sympathomimetics can_______________?
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A. Penetrate the blood brain barrier

B. Cause euphoria

C. Both of the above

D. None of the above

560. All are true about nitric oxide, EXCEPT____________?
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A. Present in cigarette smoke

B. Acts via cAMP

C. Regulates vasomotor tone

D. It is important in penile erection