medical MCQs – Page 168

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 Review each marked answer and report any item that may be outdated or unclear.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

3341. All are true regarding the enamel spindles except____________?
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A. Terminate as rounded process

B. Produced by ameloblasts

C. Surrounded by inter prismatic enamel

D. Found in the region of cusps

3342. The mucous membrane of cheeks and lips_____________?
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A. None of the above

B. A & B are correct

C. It attached to orbicularis oris in lips

D. It attached to buccinator muscle in cheeks

3343. Stratum germinatum is_______________?
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A. Stratum basale

B. Stratum spinosum

C. Stratum basale and parabasal spinous cells

D. Stratum granulosum

3344. Elevated levels of serum glutamic oxaloacetic transaminase in indicative of______________?
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A. All of the above

B. Deficiency of glutamic acid

C. Liver disease

D. Deficiency of oxaloacetic acid

3345. The compound that can give rise to glucose by gluconeogenesis is_____________?
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A. Acetyl CoA

B. Palmitic acid

C. Lactate

D. Fructose

3346. Partially keratinized papilla is_______________?
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A. Foliate

B. Fungiform

C. Filiform

D. Circumvallate

3347. Enzymes stored in muscle is________________?
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A. SGOT

B. Alkaline phosphatase

C. CPK

D. SGPT

3348. Phosphofructokinase is the key enzyme of______________?
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A. Glycolysis

B. Beta oxidation

C. Gluconeogenesis

D. TCA cycle

3349. The thickness of prismless enamel in diciduous teeth is______________?
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A. 100 ? m

B. 75 ? m

C. 25 ? m

D. 50 ? m

3350. Glycogen breakdown leads to formation of______________?
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A. Glycoprotein

B. Lactic acid

C. Glucose & Lactic acid

D. Glucose

3351. Enzymes help by____________?
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A. Increasing the substrate concentration

B. Decreasing the surface tension

C. Lowering the activation energy

D. Increasing the activation energy

3352. Muscle glycogen cannot contribute directly to blood glucose level because___________?
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A. Muscle lacks phospho gluco isomerase

B. Muscle lacks glucose 6 phosphatase

C. Muscle does not contain glycogen phosphorylase

D. Absence of glucokinase

3353. Epithelial cells which ultimately keratinize are known as_____________?
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A. Non-Keratinizing cells

B. Clear cells

C. Melanocytes

D. Keratinizing cells

3354. Minor salivary glands are present in the submucosa through out the oral mucosa except for the______________?
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A. Tongue and soft palate

B. Gingiva and anterior part of hard palate

C. Lip and posterior third of the hard palate

D. Retromolar area and hard palate

3355. The first product of glycogenolysis is_____________?
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A. Glucose 1,6 diphosphatase

B. Glucose 6 phosphatase

C. Fructose 1- phosphatase

D. Glucose 1- phosphatase

3356. Lamina densa of the gingival basement membrane is rich in_____________?
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A. Type I collagen

B. Type I and III collagen

C. Type IV collagen

D. Type III collagen

3357. Lactate dehydrogenase is____________?
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A. Zymogen

B. Antienzyme

C. Coenzyme

D. Isozyme

3358. The high level clear cell present in the oral epithelium is_____________?
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A. Lymphocyte

B. Merkel cell

C. Langerhans cell

D. Melanocyte

3359. The apical foramen of a fully developed permanent tooth is usually lined by_____________?
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A. Cementum

B. Epithelial rest cells

C. The Epithelial diaphragm

D. Dentin

3360. The enzyme involved in the first committed step of glycolysis is____________?
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A. Hexokinase

B. Enolase

C. Phosphofructokinase

D. Glucose-6-Phosphatase

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