medical MCQs – Page 381

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 Review each marked answer and report any item that may be outdated or unclear.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

7601. Which of the following factors delay wound healing____________?
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A. B & C option

B. Ascorbic acid deficiency

C. Vitamin B12 deficiency

D. Infection

7602. The product of oxidation of odd chainfatty acids is______________?
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A. Propionyl CoA

B. Fumaryl CoA

C. Aceto acetyl CoA

D. Malonyl CoA

7603. R-RNA is mainly produced mainly in___________?
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A. Ribosome

B. Nucleolus

C. Endoplasmic reticulum

D. Nucleus

7604. Precursor of melanin is________________?
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A. Tyrosine

B. Phenylalanine

C. Tryptophan

D. Methionine

7605. Alkaptonuria, an inherited metabolic disorder of L0tyrosine metabolism is due to lack of_____________?
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A. Tyrosine transaminase

B. Tyrosine oxidase

C. Homogentisate oxidase

D. Parahydroxy phenyl pyruvate Hydroxylase

7606. Peripheral neuropathy due to deficiency of vitamin is seen with_______________?
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A. Pantothenic acid

B. Vit E

C. Vit A

D. Pyridoxine

7607. Fat provides ______% of bodys calories?
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A. 50%

B. 40%

C. 75%

D. 30%

7608. Which is the by product of the urea cycle_______________?
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A. Aspartate

B. Succinate

C. Fumarate

D. Ornithine

7609. Cell membrane consists of_________________?
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A. Lipids only

B. None of the above

C. Lipids and proteins

D. Protein only

7610. Creatine is formed metabolically from______________?
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A. Phenylalanine

B. Histidine

C. Arginine

D. Tryptophan

7611. Aromatic ring is present in_____________?
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A. Glycine

B. Phenylalanine, Glycine

C. Arginine

D. Phenylalanine

7612. The primary role of chaperones is to help in______________?
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A. Protein folding

B. Protein synthesis

C. Protein degradation

D. Protein denaturation

7613. Ligant for peroxisome proliferation activating receptor (PPAR) receptors, a group of nuclear hormone receptors that are involved in the regulation of genes related to glucose and lipid metabolism is_____________?
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A. Rosiglitgazone

B. Voglibose

C. Repaglinide

D. Exanatide

7614. Insulin caused lipogenesis by all except____________?
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A. Decreases intracellular cAMP level

B. Increases the transport of glucose in to the cells

C. Inhibits Pyruvate dehydrogenase

D. Increasing acetyl-CoA corboxylase activity

7615. Serum creatine kinase-3 (CK-3) is elevated in_______________?
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A. Brain tumours

B. Muscular dystrophy

C. Myocardial infarction

D. Alcoholic cirrhosis

7616. Which of the organelles contain DNA_________________?
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A. Ribsomes

B. Nucleus

C. Nucleolus

D. Golgi apparatus

7617. Which of the following is a phospholipid________________?
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A. Oleic acid

B. Glycogen

C. Sphingomyelin

D. Prostaglandin

7618. One of the following is not an amino acid______________?
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A. Glutamic acid

B. Hydroxy proline

C. Choline

D. Glycine

7619. The antibacterial substance present in tears which acts by splitting cell wall components is____________?
0

A. Lysozyme

B. Betalysine

C. Lactoperoxidase

D. Penicillin

7620. The following vitamin is important in non-oxidative decarboxylation, transamination and transsulfuration reactions_____________?
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A. Thiamine

B. Pantothenic acid

C. Riboflavin

D. Pyridoxine

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