medical MCQs – Page 164

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 Review each marked answer and report any item that may be outdated or unclear.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

3261. Which one of the following is a monosaccharide______________?
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A. Maltose

B. Sucrose

C. Fructose

D. Strach

3262. Hexokinase is a______________?
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A. Transferase

B. Oxidoreductase

C. Reductase

D. Oxidase

3263. The most accepted theory of tooth eruption is____________?
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A. Vascular theory

B. Periodontal ligament traction theory

C. Clone theory

D. Hydrodynamic theory

3264. Movement of tooth to close the intermaxillary gap during eruption is due to____________?
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A. Passive eruption

B. Physiological tooth migration

C. None of the above

D. Active eruption

3265. The amino acid required for the synthesis of haem is______________?
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A. Glycine

B. Lysine

C. Glutamic acid

D. Glutamine

3266. Basement membrane________________?
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A. Contains lamina lucida & Lamina dura

B. Consists luratihyaline granules

C. consists of desmosomes and hemi desmosomes

D. consists of lamina densa and lamina lucida

3267. Which metabolite of TCA cycle is used in detoxification of ammonia in brain_____________?
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A. Ornithine

B. Alpha ketoglutarate

C. Oxalocetate

D. Glycine

3268. The percentage of inorganic matter in fully developed enamel is about____________?
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A. 76%

B. 96%

C. 86%

D. 66%

3269. Enamel spindles are formed by______________?
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A. Odontoblasts

B. Cracks

C. Ameloblasts

D. Hypocalcified rods

3270. Galactosemia commonly is due to deficiency of_____________?
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A. Galactose 1 phosphatase

B. Glucose 1 phosphatase

C. Galactose 1 phosphatase uridyl transferase

D. Glucose 6 phosphatase

3271. The conversion of glucose 6-P to fructose 6-P is an example of which of the following reactions___________?
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A. Dehydration

B. Aldol cleavage

C. Isomerisation

D. Phosphate transfer

3272. Stratum granulosum is not present in_____________?
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A. Non keratinized epithelium

B. Sulcular epithelium

C. Hyper parakeratosis

D. Hyper orthokeratosis

3273. All are true regarding glucose 6 phosphate deficiency except______________?
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A. Hyperuricemia

B. Hyperglycemia

C. Increased mobilization of glycogen from liver

D. Defective cori cycle

3274. Jacobsons organ is________________?
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A. All of the above

B. Ellipsoid/Cigar shaped

C. Undergoes degeneration after 4 months of intrauterine life

D. Auxillary olfactory sense organ

3275. Cofactor required for lipoprotein lipase activity is_______________?
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A. Apo C-II

B. Apo B-II

C. Apo C-III

D. Apo A-II

3276. Hammock ligament is present_______________?
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A. Between hamular notch and mandible

B. Between temporal and sphenoid bone

C. In apical area of a tooth

D. As a part of deep cervical fascia

3277. Teeth with out antagonist if erupt is called____________?
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A. Submerged

B. Supra erupted

C. Over erupted

D. Stable

3278. In TCA cycle, citrate is converted in to after losing a molecule of H2O_____________?
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A. Oxalocetate

B. Isocitrate

C. Glutarate

D. Cisaconitate

3279. Increase in pyruvate and lactate is seen in which of the following deficiency ?
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A. Niacin

B. Thiamine

C. Pyridoxine

D. Vitamin C

3280. Masticatory mucosa in the oral cavity covers the_______________?
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A. Alveolar mucosa and vestibular fornix

B. Floor of the mouth and soft palate

C. Lip and cheek

D. Gingiva and hard palate

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