medical MCQs – Page 471

Practise multiple-choice questions from medical for competitive examinations and subject revision. Review each marked answer and report any item that may be outdated or unclear.

9401. Mechanism of action of chlortetracycline_____________?
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A. Interfere with metabolism

B. Interfere with DNA function

C. Inhibition of cell wall formation

D. Inhibition of protein synthesis
9402. The most preferred acute emetic for emesis induced by anticancer drugs is______________?
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A. Metaclopromide

B. Ondensetron

C. Chlorpromazine

D. Dicyclomine

9403. The drug which gives orange colour to the urine is______________?
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A. Rifampicin

B. INH

C. Streptomycin

D. Ethambutol

9404. Which of the following cardiac depressants is contraindicated in a patient with cardiac arrhythmia____________?
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A. Phenytoin

B. Quinidine

C. Propranolol

D. Lidocaine

9405. True about amoxycillin in comparison to ampicillin is_______________?
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A. Lower oral biovailability

B. Can be given Parenterally

C. Higher oral biovailability

D. Equal oral biovailability

9406. One of the below mentioned penicillin is NOT given orally______________?
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A. Cloxacillin

B. Amoxicillin

C. Phenoxymethy penicillin

D. Carbenicillin
9407. The administration of penicillin G along with probenicid result in_____________?
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A. Increased metabolis of penciling G

B. Decreased renal excretion of penciling G

C. Increased excretion of probenacid in the feaces and perspiration

D. Increased excretion of probenacid in urine

9408. All of the following drugs are useful in treatment of hypertension except______________?
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A. Thiazole diuretics

B. Methyldopa

C. Reserpine

D. Ephedrine
9409. Sialogouges are______________?
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A. Decrease salivary secreations

B. Indicator dye for sialography

C. Increases salivary secretions

D. Medication for over function

9410. Cyclosporin is used an______________?
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A. Antiarrythmic

B. Anticancer drug

C. Immunosuppresant

D. Antibiotic

9411. Hypokalemia is seen in therapy with____________?
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A. Ibuprufen

B. Corticosteroids

C. Digitalis

D. Diazepam

9412. An aminoglycoside that is often combined with polymyxin and bacitracin for the treatment of topical infection is____________?
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A. Tetracycline

B. Gentamycin

C. Neomycin

D. Aztreonam

9413. Not true about piperacilline is_______________?
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A. It is a ureido penicillin

B. Given parenterally

C. Inhibits Beta-lactamase

D. Active against pseudomonas aeruginose

9414. The principle therapeutic action of the glucocorticoid is________________?
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A. Antianabolic

B. Antidiuretic

C. Anti-inflammatory

D. Anti-infective

9415. Quindine is used to treat______________?
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A. Congestive heart failure

B. Angina pectoris

C. Hypertension

D. Atrial fibrillation
9416. Redman syndrome is side effect of______________?
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A. Chloramphenicol

B. Rifampicin

C. Vancomycin

D. Tetracycline

9417. Tetracycline when given to pregnant woman can cause_______________?
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A. Acute hepatic necrosis

B. Increased intracranial pressure in infant

C. Discoloration/ staining of hard structures of foetus

D. All of the above

9418. All of the following statement about antimalarial drugs are correct except_____________?
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A. Primaquine is liable to cause hemolysis in patients with G6PD deficiency

B. Primaquine eliminates P. vivax and P. ovale

C. Halofantrine prolongs QT interval and causes dysarrythmia

D. Mefloquine may safely be given to air pilots
9419. All of the following are therapeutic uses of penicillin G, except_____________?
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A. Rickettsial infection

B. Syphilis

C. Bacterial meningitis

D. Anthrax

9420. The toxic effect of Beta receptor antagonists includes all the following EXCEPT____________?
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A. Precipitate migrainic effect

B. Worsening of preexisting asthma

C. Hypoglycemic episodes in diabetes

D. Ischemic cardiac episode on abrupt discontinuation