medical MCQs – Page 184

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 Review each marked answer and report any item that may be outdated or unclear.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

3661. Ketone bodies are by products of metabolism of_____________?
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A. Protein

B. Carbohydrate

C. Fat

D. All of the above

3662. The reducing equivalent for fatty acid synthesis is derived form____________?
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A. Urea cycle

B. Pentose phosphate pathway

C. Krebs cycle

D. Glycolysis

3663. In how many years, the central incisors erupt as permanent teeth ______________?
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A. 10-12 years

B. 17-25 years

C. 6-7 years

D. 8-9 years

3664. Before eruption the position of permanent mandibular incisor buds relative to primary incisors is_____________?
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A. Inferior and lingual

B. Superior and lingual

C. Inferior and facial

D. Superior and facial

3665. High content of cholesterol is present in_______________?
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A. Coconut oil

B. Hydrogenated fat

C. Egg yolk

D. Ghee (unsaturated)

3666. The normal level of serum cholesterol is_______________?
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A. 80-250 mgs/100 ml

B. 150-250 mgs/100 ml

C. 100-140 mgs/100 ml

D. 260-360 mgs/100 ml

3667. Colloidal osmotic pressure of plasma is by___________?
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A. Albumin

B. Prothrombin

C. Fibrinogen

D. Globulin

3668. With respect to their permanent successors the sum of the mesidodistal diameters of the first and second decidous molar is generally ____________?
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A. Not related

B. Less

C. The same

D. Greater

3669. Insulin caused lipogenesis by all except____________?
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A. Increasing acetyl-CoA corboxylase activity

B. Inhibits Pyruvate dehydrogenase

C. Increases the transport of glucose in to the cells

D. Decreases intracellular cAMP level

3670. First evidence of calcification of maxillary permanent central incisors occurs at_____________?
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A. 3-4 months

B. 10-12 months

C. 2-3 years

D. 3-4 years

3671. The following is not a phospholipid______________?
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A. Cerebroside

B. Lecithin

C. Cephalin

D. Sphingomyelin

3672. Which is not seen in HMG CoA pathway ?
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A. Pyruvate

B. Mevalonate

C. Cholesterol

D. Acetyl CoA

3673. True about denaturation of protein is all except______________?
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A. Disruption of secondary structure occurs

B. Unfolding occurs

C. Biological activity is retained

D. Sequence of amino acids remain the same

3674. Calcification of roots of decidous teeth is completed by_____________?
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A. 6 years

B. 8 years

C. 4 years

D. 2 years

3675. The teeth that are retained for the longest period of time are__________________?
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A. Maxillary canines

B. Mandibular incisors

C. Maxillary incisors

D. Mandibular canines

E. B & D

3676. The total blood concentration of ketone bodies in well fed individual is__________?
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A. 1 mg%

B. 20 mg%

C. 5 mg%

D. 12 mg%

3677. The following are derived from cholesterol, EXCEPT_____________?
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A. Bile acids

B. Steroid hormones

C. Vitamin D

D. Energy

3678. Once the enamel formation is complete, the tooth will erupt after approximately______________?
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A. Three years

B. Two years

C. Four years

D. One year

3679. Triglyceride synthesis synthesis is increased by______________?
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A. Insulin

B. Cortisol

C. Gulcagon

D. Growth hormone

3680. Detoxification or protective synthesis occurs by____________?
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A. Oxidation

B. Any of the above

C. Conjugation

D. Reduction

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