Mcq Subject: Pharmacology

All are causing hypothyroidism except:

A. PAS

B. Captopril

C. Lithium

D. Amiodarone

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In the treatment of undiagnosed megaloblastic anemia, vitamin B12 and folic acid should be given together because :

A. Vitamin B12 acts as a cofactor for dihydrofolate reductase

B. Folic acid alone causes improvement of anemic symptoms but neurological dysfunction continues.

C. Vitamin B12, deficiency may result in methylfolate trap

D. Folic acid is required for conversion of methylmalonyl CoA to succinyl CoA.

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Use of tamoxifen in carcinoma of breast patients does not lead to the following side effects :

A. Thromboembolic events

B. Endometrial carcinoma

C. Cataract

D. Cancer in opposite breast

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Dofetilide is which class of anti arrhythmia drug

A. Class 1

B. Class 11

C. Class 111

D. Class 1V

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Which of the following drug when taken in excess can be removed by dialysis?

A. Digoxin

B. Salicylates

C. Benzodiazepines

D. Organophosphates

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NSAIDs are used in all except –

A. As analgesic

B. In peptic ulcer

C. R.A.

D. O.A.

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Metrifonate is effective against:

A. Amoebiasis

B. Leishmaniosis

C. Schistosomiasis

D. Giardiasis

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Which of the following anti-Parkinson drugs has the potential to cause retroperitoneal fibrosis ?

A. Pramipexole

B. Entacapone

C. Bromocriptine

D. Ropinirole

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Which of the following drug possess similar cycloplegic action and is more potent mydriatic than atropine is:

A. Hyoscine.

B. Tropicamide.

C. Homatropine.

D. All of the above.

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Which of the following drugs combination shows antimicrobial synergism?

A. Penicillin + Streptomycin in SABE

B. Ampicillin + Tetracycline in endocarditis

C. Sulfamethoxazole + Trimethoprim in UTI

D. Amphotericin B + Flucytosine in cryptococcal meningitis

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