medical MCQs – Page 75

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 Review each marked answer and report any item that may be outdated or unclear.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

1481. The aminoglycoside with least toxic effect is_____________?
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A. Ethambutol

B. Kanamycin

C. Streptomycin

D. Isoniazid

1482. Ketoconazole______________?
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A. Antiviral agent

B. Antibacterial

C. Chemotherapic agent

D. Antifungal agent

1483. A young lady talking rifampicin and OCP together become pregnant, most probable cause is____________?
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A. Obstruction of fallopian tubes

B. Decreased absorption of OCPs

C. Increase excretion of OCPs

D. Rifampicin causes hepatic enzyme induction and increase metabolism of OCPs

1484. First line of antitubercular drug is_____________?
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A. INH

B. Cephalosporins

C. Ethambutol

D. Streptomycin

1485. Mechanism of action of beta-lactam antibiotics would be______________?
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A. Inhibition of bacterial protein synthesis by binding to subunit of bacterial ribosomes

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

C. Inhibition of cell wall peptidoglycan synthesis by competitive inhibition of transpetidases

D. Reduced drug causes strand breaks in DNA

1486. Povidine iodine is used for_____________?
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A. All of the above

B. Non-specific vaginitis

C. Burns

D. Tinea

1487. Which of the following is NOT an important/frequent/well-known manifestation of an adverse drug reaction ?
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A. Leukaemia

B. Aaemolysis

C. Agranulocytosis

D. Aplastic anaemia

1488. Which of the following can be given as a single dose antimalarial for P.vivax malaria______________?
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A. Atovaquone + Proguanil

B. Artemisinin

C. Pyrimethamine + Sulfadoxime

D. Quinine + Tetracycline

1489. Neuromuscular blocking agent with duration of onset of action less than 2 minutes is_________________?
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A. Gallamine

B. Pancuronium

C. D-tubocuraine

D. Succinyl choline

1490. Fluconazole is used for the treatment of______________?
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A. Herpes simplex

B. Candidiasis

C. Syphilis

D. Pemphigus

1491. Which of the following is not a broad spectrum antibiotic ?
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A. Tetracycline

B. Doxycyclin

C. Chloramphenicol

D. Cephalosporins

1492. Which of the following drug control lepramin reaction____________?
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A. Ethambutol

B. Dapsone

C. Clofazimine

D. Streptomycin

1493. Each of the following is correct for the treatment of Diarrhoea except_______________?
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A. Loperamide had high abuse potential

B. Diphenoxylate may cause respiratory depression on administration

C. Opioids delay the passage of gut contents by decreasing peristalsis and increasing intestinal segmentation

D. Kaolin has marginal therapeutic effect

1494. Prolonged administration of streptomycin may result in damage to the____________?
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A. Optic nerve

B. Facial nerve

C. Auditory nerve

D. Trigeminal nerve

1495. Bronchospasm can be precipitated by______________?
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A. Adrenaline

B. Atropine

C. propranolol

D. Salbutamol

1496. The drug for choice for treatment of infection involving non-penicillinase producing staphylococcus is______________?
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A. Methicillin sodium

B. Erythromycin

C. Penicilling G

D. Ampicillin

1497. The following adverse effect of penicillin is dose related___________?
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A. Skin rash

B. Drug fever

C. Intersititial Nephritis

D. Encephalopathy

1498. Bradycardia is most commonly treated with which of the following drugs_____________?
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A. Epinephrine

B. A potent vasadilatior

C. A diuretic

D. Atropine

1499. Carcinogens induce tumours, they are________________?
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A. Chemicals

B. Viruses

C. All of the above

D. Radiation

1500. The predisposing factor for squamous cell carcinoma __________________?
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A. Leukoplakia

B. Chronic ulcers

C. Solar keratosis

D. All of the above

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