medical MCQs – Page 192

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 Review each marked answer and report any item that may be outdated or unclear.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

3821. Tocopherol is associated with____________?
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A. Vitamin K

B. Vitamin D

C. Vitamin E

D. Vitamin A

3822. Gastric secretion is stimulated by all the following except_____________?
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A. Gastrin

B. Secretin

C. Gastric distension

D. Vagal stimulus

3823. A mutation that converts an amino acid codon to a stop codon is a_____________?
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A. Frame shift mutation

B. Nonsense mutation

C. Silent mutation

D. Transversion

3824. The final sugars in intestinal chyme are____________?
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A. Glucose & fructose

B. Ribose & xylulos

C. Ribose & mannose

D. Xylulose & fructose

3825. ALbumin is synthesized by_____________?
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A. Spleen

B. Kidney

C. Muscle

D. Liver

3826. Specific disease caused by vitamin B1 deficiency_______________
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A. Angular cheilitis

B. Pellagra

C. Peripheral polyneuritis

D. Megaloblastic anemia

3827. Following is non-essential amino acid_______________?
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A. Proline

B. Phenylalanine

C. Threonine

D. Tryptophan

3828. Basically TMJ is a_____________?
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A. Hinge and axis joint

B. Ball and socket joint

C. Synovial joint

D. Diartmodal joint

3829. Cereals are deficient in_____________?
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A. Vitamin B complex

B. Vitamin C

C. Iron

D. Calcium

3830. Thiamine deficiency causes decreased energy production because____________?
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A. It is required for the process of transmination

B. It is co-enzyme for pyruvate dehydrogenase

C. It is co-factor in oxidative reduction

D. It is co-enzyme for transketolase in pentose phosphate pathway

3831. Rhodopsin deficiency is chiefly associated with________________?
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A. Rickets

B. Vitamin D deficiency

C. Vitamin A deficiency

D. Scurvy

3832. Maximum contact between occlusal surfaces, of maxillary and mandibular teeth occur during________________?
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A. Rest position

B. Protrusive contacts

C. Laterotrusive contacts

D. Centric occlusion

3833. Digestion of proteins is initiated by________________?
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A. Pepsin

B. Amylase

C. Chymotrypsin

D. Sucrase

3834. Which of the following amino acids is quickly converted to tyrosine ?
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A. Glycine

B. Leucine

C. Arginine

D. Phenylalanine

3835. which of the following secretions has a very high pH________________?
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A. Bile in gall bladder

B. Gastric juice

C. Saliva

D. Pancreatic juice

3836. Consumption of raw egg white in the diet may result in the deficiency of______________?
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A. Riboflavin

B. Thiamine

C. Pyridoxine

D. Biotin

3837. Which of the following is not a structural element of the temporomandibular joint ?
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A. Capsular ligament

B. Articular disc

C. Joint cavities

D. Sigmoid notch

3838. Biotin is required for the activity of_______________?
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A. Phosphohexose isomerase

B. Succinate thiokinase

C. Pyruvate carboxylase

D. Lactate dehydrogenase

3839. 1st clinical sign of vitamin A deficiency is_____________?
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A. night blindness

B. bitots spots

C. xerostomia

D. conjunctival xeroses

3840. Which vitamin is synthesized by intestinal bacteria ?
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A. Vit K

B. Vit B

C. Vit D

D. Vit A

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