medical MCQs – Page 388

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 Review each marked answer and report any item that may be outdated or unclear.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

7741. Following are the essential amino acid______________?
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A. Phenylalanine, Arginine Methinonine

B. Phenylalanine, Tryptophan lysine

C. Phenylalanine, Valine, Glycine

D. Histidine, Glutamine, Valine

7742. During phagocytosis, the metabolic process called respiratory burst involves the activation of_____________?
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A. Peroxidase

B. Dehydrogenase

C. Oxidase

D. Hydrolase

7743. Alkaptonuria an inherited metabolic disorder is due to the deficiency of____________?
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A. Pheylalanine hydroxylase

B. Homogentisate oxidase

C. Tyrosine transaminase

D. Cystathionase

7744. Heme in haemoglobin is____________?
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A. Between Helix C and D

B. Surrounded by non polar environment

C. Bonded to E7 histidine

D. Protoporophyrin IX

7745. The reducing end of glutathione, the amino acid is_________________?
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A. Valine

B. Leucine

C. Glycine

D. Lycie

7746. Vitamin associated with one carbon transfer is__________?
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A. Niacin

B. Ascorbic acid

C. Thiamine

D. Folic acid

7747. The major driving force for formation of membrane lipid bilayer is____________?
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A. Not known

B. Hydrogen bonding

C. Vander wall forces

D. Hydrophobic interactions

7748. The amino acid from which niacin is synthesized is______________?
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A. Tyrosine

B. Theronine

C. Tryptophan

D. Histidine

7749. The abundant glycoprotein in the basement membrane and has binding domain for both ECM and cell-surface receptor is______________?
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A. Laminin

B. Fibronectin

C. Tenascin

D. E Cadherins

7750. Daily requirement of iron in man is_____________?
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A. 10 mg

B. 1gm

C. 20 mg

D. 10 microgram

7751. The patient suffered from hypogondism, failure to thrive, lose of taste and unable to maintain stability. This shows the deficiency of_____________?
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A. Chromium

B. Zinc

C. Copper

D. Potassium

7752. In ECF main electrolyte is_______________?
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A. Proteins

B. Cl

C. K+

D. Na+

7753. Which of the following organs cannot use ketone bodies_______________?
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A. Kidney

B. Spleen

C. Liver

D. Brain

7754. Coenzyme A contains which of the following vitamins_______________?
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A. Biotin

B. Pantothenic acid

C. Niacin

D. Pyridoxine

7755. Which of the following is not a part of hemoglobin molecule___________?
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A. Vinyl groups

B. Ferric ions

C. Histidine

D. Pyrrole rings

7756. Which of the following is not true of Vit D_______________?
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A. Its active form is calcitriol

B. Increase calcium absorption from the intestines

C. Its deficiency results in rickets

D. Its decrease cause phosphate reabsorption from the kidneys

7757. Biuret test is confirmatory test for_______________?
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A. Fat

B. None of the above

C. Protein

D. Carbohydrate

7758. High content of cholesterol is present in_______________?
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A. Coconut oil

B. Hydrogenated fat

C. Egg yolk

D. Ghee (unsaturated)

7759. Colloidal osmotic pressure of plasma is by___________?
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A. Globulin

B. Albumin

C. Fibrinogen

D. Prothrombin

7760. Free radicals can be inactivated by the following enzymes EXCEPT__________________?
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A. Glutathione peroxidase

B. Catalase

C. Myeloperoxidase

D. Superoxide dismutase

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