medical MCQs – Page 200

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 Review each marked answer and report any item that may be outdated or unclear.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

3981. Which of the following movement (s) is / are involved in the opening of the mouth?
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A. Only translation

B. Translation followed by hinge

C. Hinge followed by translation

D. Only hinge ( rotation )

3982. Best stimuli for secretion is______________?
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A. Protein

B. Fat

C. Bile

D. Acid

3983. Active form of vitamin D in kidney is_____________?
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A. 1 dihydroxy cholecalciferol

B. 1,25 dihydroxy cholecalciferol

C. 7 dihydroxy calciferol

D. 25 hydroxy cholecalciferol

3984. The amino acid from which niacin is synthesized is______________?
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A. Histidine

B. Tyrosine

C. Tryptophan

D. Theronine

3985. Albinism is a genetic disease that results in incomplete metabolism of______________?
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A. Tyrosine

B. Cystine

C. Histidine

D. Alanine

3986. Two Vitamin whose derivatives are involved in transformation of serine to glycine are_____________?
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A. B12 and nicotinamie

B. B6 ad B12

C. Folic acid and B6

D. Folic acid and B12

3987. Which of the following muscle helps in depressing the mandible ___________?
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A. Lateral pterygoid

B. Temporalis

C. Massetor

D. Medial pterygoid

3988. Both Vitamin K and C are involved in______________?
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A. Antioxidant mechanisms

B. The microsomal hydroxylation reactions

C. Post translational modifications

D. The synthesis of clotting factors

3989. Vitamin associated with one carbon transfer is__________?
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A. Thiamine

B. Niacin

C. Folic acid

D. Ascorbic acid

3990. Vitamin C is present in largest amount in the body in____________?
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A. Testes

B. Kidneys

C. Eye

D. Adrenal cortex

3991. Mineral present in Vit B12 is_____________?
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A. Cobalt

B. Selenium

C. Calcium

D. Iron

3992. Contraceptive action of combined pill is mainly due to_______________?
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A. Prevents the implantation of fertilized egg

B. Inhibits ovulation

C. Prevents the fertilization

D. Decrease in tubal motility

3993. Bile salt repeats its cycle in____________?
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A. 2 times in between meals

B. 4 times a day

C. 10 times a day in fasting

D. 8 times a day

3994. The amino acid from which niacin synthesized is_______________?
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A. Histidine

B. Tryptophan

C. Threonine

D. Tyrosine

3995. Coenzyme A contains which of the following vitamins_______________?
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A. Pantothenic acid

B. Pyridoxine

C. Niacin

D. Biotin

3996. Which is not produced enteroendocrinally_____________?
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A. Secretin

B. Intrinsic factor

C. GIP

D. Motilin

3997. Deficiency of vitamin C causes the following except_______________?
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A. Pigeon chest

B. Subcutaneous & other hemorrhage

C. Soft swollen gums

D. Defective collagen synthesis

3998. The maximum content of vitamin E is found in____________?
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A. Wheat germ oil

B. Fish liver oil

C. Cold liver oil

D. Liver

3999. Scurvy is the result of deficiency of____________?
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A. Vitamin B

B. Vitamin C

C. Vitamin A

D. Vitamin D

4000. The nitrogen of the body is supplied by______________?
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A. Triacyl glycerol

B. Proteins

C. Glucose

D. Lipids

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