medical MCQs – Page 169

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 Review each marked answer and report any item that may be outdated or unclear.

3361. Buccal mucosa is_______________?
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A. Orthokeratinized

B. Parakeratinised

C. Keratinized

D. Non-keratinized
3362. Which type of collagen fibers demonstrates Chicken wire configuration ?
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A. Type IV

B. Type I

C. Type III

D. Type II

3363. Which of the following is a function of the golgi apparatus ?
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A. t RNA synthesis

B. m RNA synthesis

C. Modification of proteins

D. Protein storage

3364. Which of the following enzymes use NADP as coenzyme ________________?
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A. Beta hydroxy acyl CoA dehydrogenase

B. Lactate dehydrogenase

C. Glyceraldehyde 3 phosphate dehydrogenase

D. Glucose 6-Phosphate dehydrogenase
3365. The rate of absorption of sugars by the small intestine is highest for_______________?
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A. Polysaccharides

B. Pentoses

C. Disaccharides

D. Hexoses
3366. Coenzyme responsible for single carbon transfer is______________?
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A. Pyridoxine

B. THF4

C. Biotin

D. Acetyl co enzyme A

3367. Masticatory mucosa is____________?
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A. Para keratinised

B. Ortho keratinised

C. Sub keratinised

D. Non keratinised

3368. Tooth buds of permanent mandibular incisors are situated_____________?
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A. Labial to primary teeth

B. Lingual to primary teeth

C. A and B

D. Inferior to primary teeth

3369. The enzyme that splits hydrogen peroxide into water and oxygen is_____________?
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A. Catalase

B. Cytochrome P 450

C. Super oxide dismutase

D. Cytochromes

3370. Blood glucose level cannot be augmented by mobilization of muscle glycogen due to lack of_____________?
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A. G-6-P phydrogenase

B. Glucokinase

C. G-6-P dehydrogenase

D. Aldolase

3371. The main site of fluoride inhibition in the Embden Meyerhof pathway of acid____________?
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A. ATPase

B. Enolase

C. Pyruvate Kinase

D. Fructose 6 phosphatase

3372. Stipplings______________?
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A. Disappeared in progressing gingivitis due to edema and this change is reversible

B. Functional adaptation to mechanical impact

C. Due to alternate elevations and depressions in epithelium

D. All of the above
3373. After the eruption of crown, reduced enamel is known as_____________?
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A. Primary attachment epithelium

B. Reduced enamel epithelium

C. Secondary attachment epithelium

D. Primary enamel cuticle

3374. The enamel of the posterior teeth is thickest at____________?
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A. Middle third of lingual surface

B. Cervical third of buccal surface

C. Occlusal surface

D. Middle third of buccal surface

3375. Glycogen synthesis is increased by_____________?
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A. Insulin

B. Epinephrine

C. Cortisone

D. GH

3376. What high energy phosphate compound is formed in the citric acid cycle through substrate level phosphorylation______________?
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A. ATP

B. ITP

C. GTP

D. TTP

3377. Moth eaten appearance of of enamel is seen in____________?
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A. Odontodysplasia

B. Desmolytic stage

C. Amelogenisis stage

D. Mottled enamel

3378. The oral epithelium is attached to the enamel via_______________?
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A. Desmosomes

B. Hemidesmosomes

C. Collagen fibers

D. Reticular fibers

3379. Gubernacular canal and gubernacular cord are seen in relation to____________?
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A. None of the above

B. Succedaneous teeth

C. Permanent teeth

D. Deciduous teeth

3380. Coenzyme, in an enzymatic reaction usually functions to_____________?
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A. Increase the active sites of apoenzyme

B. Enhance the specificity of apoenzyme

C. Activate the substrate

D. Accept one of the cleavage products