Archives: MCQs

First time causative agent of AIDS was discovered in:

A. 1976

B. 1983

C. 1994

D. 1969

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A 70 years old hypeensive patient with stage 5 chronic kidney disease was diagnosed recently with Type 2 diabetes mellitus. He doesn’t want to take injectable insulin. Which of the following oral hypoglycemic agents will be preferred in this patient, which won’t require any renal dose modification?

A. Linagliptin

B. Repaglinide

C. Vildagliptin

D. Glimepiride

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A 3 days old baby is admitted with intraventricular hemorrhage. Baby develops abdominal distention. The X-ray abdomen showed pneumatosis poalis. Stage the necrotizing enterocolitis:

A. lb

B. 2a

C. 2b

D. 3a

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In alpha thalassemia

A. Excess alpha chain

B. No alpha chain

C. Excess beta chain

D. No beta chain

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Chromium is used in stainless steel for which purpose?

A. Corrosion resistance

B. Increases the lustre of stainless steel

C. Stabilization of the alloy

D. Increases the hardness of steel

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All of the following form radiolucent stones except:

A. Xanthine

B. Cysteine

C. Allopurinol

D. Orotic acid

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After a point mutation, glutamic acid is replaced by valine, which leads to formation of sickle cell hemoglobin. The mobility of HbS as compared with normal hemoglobin on gel electrophoresis will be:

A. Decreased

B. Increased

C. Dependent on HbS concentration

D. Unchanged.

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Which of the following statement is not true about glomerular basement membrane?

A. Type III collagen is present

B. Glomerular basement membrane is stained with PAS

C. Glomerular basement membrane acts as filtration barrier

D. Glomerular basement membrane is involved in charge dependent filtration

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Which of the following amino acids is quickly converted to tyrosine?

A. Arginine

B. Glycine

C. Phenylalanine

D. Leucine

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Saliva buffer system having low importance in stimulated saliva

A. Amino acids

B. Carbonic acids

C. Phosphates

D. None

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