medical MCQs – Page 182

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 Review each marked answer and report any item that may be outdated or unclear.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

3621. Resorption of root of primary incisors starts at_____________?
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A. 6 yrs

B. 8 yrs

C. 4 yrs

D. 10 yrs

3622. A fatty acid that is not synthesized in man is_____________?
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A. Linoleic acid

B. Palmitic acid

C. Oleic acid

D. Stearic acid

3623. Iron is present in all, EXCEPT______________?
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A. Catalase

B. Cytochrome

C. Myoglobin

D. Pyruvate kinase

3624. Examples of monounsaturted fatty acids are______________?
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A. Arachitlonic acid

B. Oleic acid

C. Palmitic acid

D. Linolenic acid

3625. The main function of mitochondria is______________?
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A. Electron transfer

B. Protein synthesis

C. Oxidation

D. Fat synthesis

3626. Saponification means hydrolysis of fats by________________?
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A. Alkali

B. Acid

C. Water

D. Enzymes

3627. Ferritin an inactive form of iron is stored in_____________?
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A. Spleen

B. Liver

C. Gut

D. All of the above

3628. Which of the following is not a post transcriptional modification of RNA ?
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A. 5? capping

B. Splicing

C. Glycosylation

D. 3? polyadenylation

3629. Which of the following has the maximum faciolingual diameter of the crown__________?
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A. Decidous maxillary 2nd molar

B. Decidous maxillary 1st molar

C. Decidous mandibular 2nd molar

D. Decidous mandibular 1st molar

3630. When viewed occlusally, a primary mandibular second molar closely resembles which of the following mandibular teeth ?
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A. Second premolar

B. Primary first molar

C. Permanent first molar

D. Permanent second molar

3631. Endogenous triglycerides in plasma is maximally bound to________________?
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A. HDL

B. LDL

C. VLDL

D. Chylomicrons

3632. Which of the following fatty acids are not syntehsised in human body_____________?
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A. Oleic, linoleic and linolenic acid

B. Palmitic Oleic and arachidonic

C. Arachidonic, linolenic and linoleic acid

D. Linoleic, arachidonic and stearic acid

3633. Translation occurs at______________?
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A. Nucleus

B. Mitochondria

C. Centrosome

D. Ribosome

3634. The precursor of steroid is_______________?
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A. None of the above

B. Cholesterol

C. Fatty acids

D. Amino acids

3635. Which of the following is not a part of hemoglobin molecule___________?
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A. Ferric ions

B. Pyrrole rings

C. Vinyl groups

D. Histidine

3636. Cervical bulge. True is____________?
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A. All of the above

B. Results in constriction at cervical region

C. Enamel rods at cervical region directed occlusally

D. Is characteristic of decidous teeth

3637. Iron absorption is decreased in presence of all except____________?
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A. Phosphates

B. Phytates

C. Ascorbic acid

D. Tannins

3638. Cusp of carbaelli can be considered a normal finding on____________?
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A. Decidous maxillary 2nd molar

B. Decidous mandibular 2nd molar

C. Decidous mandibular 1st molar

D. Decidous maxillary 1st molar

3639. Genes are_____________?
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A. Ribonucleic acid

B. Lipoproteins

C. Chromo proteins

D. Deoxy ribonucleic acid

3640. Rate limiting step in adrenaline synthesis is conversion of____________?
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A. Phenylalanine to tyrosine

B. Dopa to dopamine

C. Tyrosine to dopa

D. Dopamine to nor epinephrine

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