medical MCQs – Page 387

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 Review each marked answer and report any item that may be outdated or unclear.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

7721. The normal level of serum cholesterol is_______________?
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A. 150-250 mgs/100 ml

B. 260-360 mgs/100 ml

C. 100-140 mgs/100 ml

D. 80-250 mgs/100 ml

7722. The fluid mosaic model of membrane structure was proposed by_______________?
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A. Edwarg Angle

B. G.V Black

C. Watson and Crick

D. Singer and Nicolson

7723. Hyponatremia is defined as a serum Na+ level ____________________?
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A. < 160 mmo/L

B. >135 mmol/L

C. < 100 mmo/L

D. < 135 mmol/L

7724. A patient of type 2 diabetes mellitus is given nutrition rich in________________?
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A. Fibre rich diet

B. Fat

C. Proteins

D. Carbohydrates

7725. The protein rich in basic amino acids, which functions in the packaging of DNA is chromosomes is______________?
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A. Hyaluronic acid binding protein

B. Fibrinogen

C. Collagen

D. Histone

7726. Limiting factory for fatty acid synthesis_________________?
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A. Acetyl CoA carboxylase

B. Acyl transferase

C. Aceto acetate synthetase

D. Biotin

7727. Non polar lipid act as______________?
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A. Electrical insulators

B. Irons

C. Electrolytes

D. Non electrical insulators

7728. Which of the following is most important content of diet ?
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A. Vitamin

B. Water

C. Protein

D. Minerals

7729. The following are derived from cholesterol, EXCEPT_____________?
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A. Bile acids

B. Energy

C. Vitamin D

D. Steroid hormones

7730. The most important buffer in RBC is____________?
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A. O2Hb +K hemoglobinate

B. H2CO3 +NAHCO3

C. H2CO3 + KHCO3

D. O2 Hb +Na hemoglobinate

7731. Ammonia produced by brain is trapped as_____________?
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A. Urea

B. Glutamine

C. Creatinine

D. Uric Acid

7732. FSH, LH, TSH acts through_________________?
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A. Cyclic AMP

B. Cyclic GMP

C. Calcium release

D. Adenosine cyclate

7733. Urinary protein is detected by______________?
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A. Hays test

B. Ehrlichs test

C. Barfoed test

D. Boiling test

7734. True about prostaglandins is______________?
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A. All are true

B. Short acting

C. Present in many tissues

D. Some require C-AMP for their action

7735. Synthesis of protein occurs on__________________?
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A. Poly ribosomes

B. Golgi bodies

C. Mitochondria

D. Nucleus

7736. Adipose tissue releases free fatty acids in the________________?
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A. Active state

B. All of the above

C. Resting state

D. Fasting state

7737. Prostaglandin synthesis is partially switched off by______________?
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A. Cyclo-oxygenase inhibition

B. Lipo oxygenase inhibition

C. Peroxidase

D. Reductase

7738. Translation occurs at______________?
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A. Nucleus

B. Centrosome

C. Ribosome

D. Mitochondria

7739. Average daily dose of vitamin C is____________?
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A. 100 150 mg

B. 60 100 mg

C. 50 60 mg

D. 30 40 mg

7740. Urea is produced by the enzyme_____________?
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A. Glutaminase

B. Arginase

C. Uricase

D. Urease

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