medical MCQs – Page 469

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 Review each marked answer and report any item that may be outdated or unclear.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

9361. Povidine iodine is used for_____________?
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A. Burns

B. All of the above

C. Tinea

D. Non-specific vaginitis

9362. Amphotericin B is given for what etiology_______________?
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A. Viral

B. Rickettesial

C. Bacterial

D. Fungal

9363. Concurrent administration of tetracyclines is most likely to impair the action of_____________?
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A. Penicillin

B. Erythromycin

C. Chloramphenicol

D. Lincomycin

9364. B-lactam antibiotics are_____________?
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A. Imipenem

B. All of the above

C. Penicillin

D. Cephalosporins

9365. While performing a procedure, a resident doctor injures herself with a suture needle that has been used to stitch a patient with HIV infection for 11 years. He has been complaint with therapy for several years and has recently changed tablets because of alteration in his appearance. His last CD4 count was 360 cells/mm. The doctor is offered post exposure prophylaxis. Which regimen should she take ?
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A. Ziduvidine and Lamivudine and Stavudine

B. Ziduvidine and Lamivudine and Indivair

C. Ziduvidine and Lamivudine and Abacavir

D. Ziduvidine and Lamivudine

9366. The following adverse effect of penicillin is dose related___________?
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A. Intersititial Nephritis

B. Drug fever

C. Skin rash

D. Encephalopathy

9367. The anticogulant of choice during pregnancy is______________?
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A. Sodium oxalate

B. Heparin

C. Phenindone

D. Warfarin sodium

9368. Which of the following is caused by Amphotericin B____________?
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A. Hyperkalemia

B. Hyponatremia

C. Hypermagnesemia

D. Hypo Kalemia

9369. An excess of which of the following hormones may be associated with increased sensitivity to epinephrine ?
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A. Parathyroid

B. Thyroid

C. Insulin

D. Testosterone

9370. Clavulanic acid added to ampicillin causes_____________?
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A. Increase effectivity against gram-positive organisms

B. Increase the effectiveness against delta lactamase producing organism

C. Increase effectivity against gram-negative organisms

D. Inhibition of B-lactamases

9371. Slufonamides mainly interferes with the bacterial______________?
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A. Translation

B. Transcription mechanisms

C. Ribosomal function

D. PABA

9372. Agents/Drugs which help in rapid coagulation of Blood_______________?
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A. Haemostatics

B. Astrigents

C. All of the above

D. Styptics

9373. Antifungal drug not used in the treatment of imtestinal candidiasis______________?
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A. Clotrimazole

B. Nystatin

C. Amphotericin

D. Ketoconazole

9374. All of the following have receptors which are transcription factors except____________?
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A. Vitamin D

B. Estrogen

C. Glucocorticoid

D. Insulin

9375. Ototoxicity and nephrotoxicity is caused by______________?
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A. antibiotic

B. Antifungal

C. Antiviral

D. Antiemetic

9376. Tetracyclines act by__________________?
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A. Inhibiting peptidyl transferase

B. Inactivating elongation factors

C. Inhibiting the binding of aminoacyl tRNA to the ribosomal complex

D. Causing misreading of mRNA

9377. In the treatment of intestinal of intestinal and extraintestinal amoebiasis which of the following drug is useful____________?
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A. Metronidazole

B. Cefaclor

C. Chloroquine

D. Diloxane

9378. Which of the following drug does not show renal toxicity_____________?
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A. Streptomycin

B. Gentamycin

C. Methoxyprenaline

D. Isoflurane

9379. Which of the following is a characteristic of tetracycline stains ?
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A. Stained teeth fluoresce light yellow under U.V light

B. Stains are dark brown in color

C. There is less deposition in dentine as compared to enamel

D. Is always accompanied by hypolastic defects

9380. One of the following is not penicillinase susceptible______________?
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A. Piperacillin

B. Cloxacillin

C. Penicillin G

D. Amoxicillin

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