medical MCQs – Page 185

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 Review each marked answer and report any item that may be outdated or unclear.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

3681. Mutations are due to changes in_________________?
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A. Amino acid sequence of ribonuclease

B. RNA nucleotide sequence

C. DNA nucleotide sequence

D. Cell walls

3682. The substance essential for transfter of fatty acids across mitochondrial membrance_____________?
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A. Creatine

B. Coenzyme A

C. Carnitine

D. Creatinine

3683. The main function of HDL is____________?
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A. Transport cholesterol from liver to peripheral tissues

B. Esterification with PUFA

C. Both of the above

D. None of the above

3684. Generally in majority of children, the sequence of eruption of permanent teeth in mandible is____________?
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A. 6-1-2-4-3-5-7-8

B. 1-6-2-3-5-4-7-8

C. 6-1-2-3-4-5-7-8

D. 6-1-2-4-5-3-7-8

3685. Which of the following is false about starvation ketoacidosis ?
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A. Metabolic acidosis

B. Smell of acetone in breath

C. Rotheras test is +ve

D. Benedicts test +ve

3686. DNA double helix is bound by_____________?
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A. Covalent bond

B. Vander wall forces

C. Hydrogen bond

D. Disulfide linkage

3687. The transmembrane adhesive molecules present in hemi desmosomes which specifically binds to basal lamina glycoprotein laminin are______________?
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A. The catenins desmoplakin

B. a and B catenin

C. Integrin a6-B4

D. cadherins desmoglein

3688. Root completion of the mandibular first molar takes place by the age_______________?
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A. 10 11 years

B. 7-8 years

C. 8-9 years

D. 9-10 years

3689. The patient suffered from hypogondism, failure to thrive, lose of taste and unable to maintain stability. This shows the deficiency of_____________?
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A. Chromium

B. Potassium

C. Zinc

D. Copper

3690. Calcification of permanent first molar usually begins in the_____________?
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A. Third month of intrauterine life

B. In the third month of extra uterine life

C. In the sixth month of intrauterine life

D. At birth

3691. Proteins are linear polymers of amino acids, They fold into compact structures Sometimes these folded structures associate to form homo or hetero dimers Which one of the following refers to this associated form ?
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A. Molecular aggregation

B. Denatured state

C. Precipitation

D. Quaternary structure

3692. The root completion of permanent teeth is achieved after __________ years o eruption?
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A. 2-3

B. 5-Apr

C. 1-1

D. 4-Mar

3693. Ammonia produced by brain is trapped as_____________?
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A. Glutamine

B. Creatinine

C. Uric Acid

D. Urea

3694. The best technique useful for initial viral load estimation is________________?
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A. Immunofluoresence

B. Real time PCR

C. Electrophoresis

D. Widal test

3695. Most common non protein nitrogenous fraction of blood_____________?
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A. Uric acid

B. Creatinin

C. Urea

D. Urobilinogen

3696. Which of the following organs cannot use ketone bodies_______________?
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A. Kidney

B. Spleen

C. Brain

D. Liver

3697. A new tooth is erupting in the mouth of a one and a half year old child. This tooth is most likely to be a decidous___________?
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A. Mandibular lateral incisor

B. Maxillary canine

C. Maxillary central incisor

D. Maxillary lateral incisor

3698. Growth of all permanent teeth except last molars is completed by___________?
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A. 17 years

B. 8 years

C. 12 years

D. 6 years

3699. Triglycerides in serum are transported by_______________?
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A. HDL

B. VLDL

C. Chylomicrons

D. LDL

3700. Which of the following is dental formula of a 9 years old child_____________?
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A. 76EDC21/ 7EDC21

B. EDC21/EDC21

C. 6EDCBA/ 6EDC21

D. 6 EDC21/ 6EDC21

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