medical MCQs – Page 71

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 Review each marked answer and report any item that may be outdated or unclear.

medical Mcqs

1. oral anatomy 2. microbiology 3. oral pathology and medicine 4. physiology 5. biochemistry 6. general anatomy 7. dental materials 8. pharmacology 9. pathology 10. oral histology

1401. Which of the following is caused by Amphotericin B____________?
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A. Hyponatremia

B. Hyperkalemia

C. Hypo Kalemia

D. Hypermagnesemia

1402. The incidence of allergy to penicillin among various population ranges from______________?
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A. 1% to 10%

B. 20% to 30

C. 10% to 20%

D. 30% to 40%

1403. All of the following are therapeutic uses of penicillin G, except_____________?
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A. Anthrax

B. Syphilis

C. Rickettsial infection

D. Bacterial meningitis

1404. Diuretics cause loss of_______________?
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A. Sodium

B. Calcium

C. Iron

D. Potassium

1405. Erythromycin is_______________?
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A. Cidal in action

B. Static in action

C. All of these

D. Cidal in high concentration

1406. Drug which is most unsafe during pregnancy is____________?
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A. Streptomycin

B. Ethambutol

C. B & C

D. Kanamycin

1407. The mechanism of action of chloramphenicol is inhibition of synthesis of_____________?
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A. Cell wall

B. Protein

C. Cell membrane

D. DNA

1408. Beta blockers are contraindicated in___________?
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A. Angina pectoris

B. Myocardial infarction

C. Cardiac arrhythmia

D. Cardiac failure

1409. Redman syndrome is side effect of______________?
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A. Chloramphenicol

B. Tetracycline

C. Rifampicin

D. Vancomycin

1410. The administration of penicillin G along with probenicid result in_____________?
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A. Increased excretion of probenacid in the feaces and perspiration

B. Decreased renal excretion of penciling G

C. Increased excretion of probenacid in urine

D. Increased metabolis of penciling G

1411. Amphotericin B is given for what etiology_______________?
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A. Bacterial

B. Rickettesial

C. Fungal

D. Viral

1412. Bacitracin is a_______________?
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A. Oral antibiotic

B. All of the above

C. Topical antibiotic

D. Parenteral antibiotic

1413. Not true about PnG is______________?
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A. Very active against sensitive gram positive coci

B. Used for treatment of meningococcal meningitis

C. Destroyed by gastic acid

D. More concentrated in prostatic secretion and intraocular fluids

1414. Each of the following statement is correct about metronidazole EXCEPT that it_______________?
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A. is a broad spectrum antiprotozoal drug

B. May cause peripheral neuropathy on prolonged use

C. Active against bacteroides and clostridium

D. An effective alternative for infection caused by aerobic gram positive cocci

1415. Which one of the following can be blocked by atropine ?
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A. Tachycardia caused by exercise

B. Increased blood pressure caused by nicotine

C. Decreased blood pleasure caused by hexamethonium

D. Tachycardia caused by infusion of acetylcholine

1416. Tetracycline is more preferred in periodontics because______________?
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A. It is broad spectrum antibiotic

B. None of the above

C. It has anticollagenolytic effect

D. All of the above

1417. A patient is having bronchodilation, increased temperature, constipation and tachycardia. The tentative diagnosis is_______________?
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A. Paracetamol poisoning

B. Oraganophosphate poisoning

C. Mushroom poisoning

D. Atropine poisoning

1418. Alpha blocker used as anti hypertensive agent_____________?
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A. Propranolol

B. Prazosin

C. Alpha methyl DOPA

D. Clonidine

1419. Concurrent administration of tetracyclines is most likely to impair the action of_____________?
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A. Chloramphenicol

B. Penicillin

C. Erythromycin

D. Lincomycin

1420. Peripheral neuritis is a complication of_______________?
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A. Rifampicin

B. Isoniazid

C. Pirazinamide

D. Ethambutol

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