medical MCQs – Page 173

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 Review each marked answer and report any item that may be outdated or unclear.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

3441. Number of ATP molecules generated in the conversion of glycogen of lactate is_____________?
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A. 36

B. 32

C. 38

D. 2

3442. Gubernacular canal guides the eruption of_____________?
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A. Primary teeth

B. Permanent teeth

C. Both A and B

D. None of the above

3443. The cells, which are responsible for removal of bone matrix in bone resorption, are_____________?
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A. Polymorphs

B. Osteoblast

C. Fibrocytes

D. Osteoclasts

3444. Enzymes concerned with the citric acid cycle are found in______________?
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A. Non-particulate cytoplasm

B. Ribosomes

C. Mitochondria

D. Nucleus

3445. Epithelium of the inner surface of the gingival sulcus______________?
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A. Has prominent rete pegs

B. Is keratinized

C. Is para-keratinized

D. Has no rete pegs

3446. Renal threshold for glucose is______________?
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A. 180 mg/ dl

B. 100 mg%

C. 80 mg%

D. 200 mg%

3447. The main enzyme responsible for activation of xenobiotics in (detoxification)____________?
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A. Cytochrome P-450

B. Glucuronyl transferase

C. Glutathione S-transferase

D. NADPH cytochrome P-450 reductase

3448. Accentuated incremental lines in dentin are______________?
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A. Incremental lines of von Ebner

B. Incremental lines of retzius

C. None of the above

D. Contour lines lines of owen

3449. Gluconeogenesis occurs in the liver and _______?
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A. Muscle

B. Fat

C. Heart

D. Kidney

3450. Which of the following is a non-reducing sugar____________?
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A. Glucose

B. Sucrose

C. Maltose

D. Lactose

3451. Difference between the skin and mucosa of cheek is_______________?
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A. Keratinized mucosa of cheek

B. Rete pegs

C. Thick lamina propria on skin of cheek

D. Thin lamina and non keratinized mucosa of cheek

3452. Multiienzyme complex in human_______________?
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A. Adenosine phospho ribosyl transferase

B. Carbomoyl Phosphate synthetase

C. Malonyl CoA carboxylase

D. Fatty acid synthetase

3453. The anatomic crown is shorter than the clinical crown of a tooth in which of the following instances___________________?
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A. Gingivitis

B. Occlusal wear

C. Gingival recession

D. Impaction

3454. Vonebilers glands open into which papilla_____________?
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A. Filiform

B. Circumvallate

C. Foliate

D. Fungiform

3455. Approximately how many enamel rods will be present in a maxillary molar ?
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A. 9 million

B. 12 million

C. 7 million

D. 5 million

3456. The end product of glycolysis under anaerobic conditions is_______________?
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A. Lactic acid

B. Pyruvic acid

C. Oxaloacetic acid

D. Acetoacetic acid

3457. Blunt cell processes seen on the developing ameloblasts are celled as________________?
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A. Tomes fibres

B. Tomes processes

C. Tomes layer

D. Odontoblastic processes

3458. Ionic exchange between enamel surface and environment______________?
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A. Continues till adult life

B. Stops after 2 years of eruption

C. Continues through out life

D. Does not take place once enamel surface and invironment

3459. Which of the following is a membrane bound enzyme that catalyzes the formation of cyclic AMP from ATP ?
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A. Adenylate cyclase

B. Tyrosine kinase

C. Polymerase

D. ATP synthase

3460. Oral tissue for microscopic examination is prepared by_______________?
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A. Specimens ground into thin sections

B. All of the above

C. Embedded in paradion and sectioned

D. Frozen and sectioned

E. Embedded in paraffin and sectioned

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