medical MCQs – Page 181

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 Review each marked answer and report any item that may be outdated or unclear.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

3601. A balanced diet consists of______________?
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A. 35% proteins, 15% fats, 50% carbohydrates

B. 20% proteins, 35% fats, 45% carbohydrates

C. 20% proteins, 25% fats, 50% carbohydrates

D. 25% proteins, 25% fats, 50% carbohydrates

3602. Unwinding of DNA is done by____________?
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A. Reverse transcriptase

B. Ligase

C. DNAse

D. Topo isomerase

3603. All are components of basement membrane except________________?
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A. nidogen

B. Laminin

C. Rhodopsin

D. Eutactin

3604. The fastest moving fraction of protein in serum When subjected to paper electrophoresis is_____________?
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A. Alpha 1 globulin

B. Gamma Globulin

C. Albumin

D. Beta Globulin

3605. Which of these teeth are highly sturdy and usually the last ones to be lost ?
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A. Central incisors

B. First molar

C. Canines

D. Premolars

3606. In Cytochrome p450, P stands for____________?
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A. Structural proteins

B. Pigment

C. Polymer

D. Substrate protiens

3607. The time taken for primary tooth root completion after eruption_____________?
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A. 3 years

B. 1 years

C. 1 month

D. 2 years

3608. HMG CoA reductase is inhibited by_____________?
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A. Clofibrate

B. cholestyramine

C. Gemfibrosil

D. Lovastatin

3609. Number of teeth seen on X- ray at birth_______________?
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A. 24

B. 30

C. 22

D. 20

3610. Most importent compansatory mechanism in metabolic acidosis______________?
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A. Increased HCO3 Production

B. Increased urinary phosphates

C. Hyperventilation

D. Increased NH3 excretion by kidneys

3611. A radiograph of 4- years old child reveals no evidence of calcification of mandibular second pre molar. This indicates______________?
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A. It is too early to make final predication

B. The child may never develop premolars

C. The teeth may develop later

D. Primary second molar extracted to allow mesial drifting of permanent first molar

3612. Denaturation of double stranded DNA involves_______________?
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A. It gets broken down to nucleotides

B. It becomes single stranded reversibly

C. It becomes single stranded irreversibly

D. It becomes double stranded irreversibly

3613. Prostaglandin synthesis is partially switched off by______________?
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A. Peroxidase

B. Cyclo-oxygenase inhibition

C. Reductase

D. Lipo oxygenase inhibition

3614. In the physiological system, nitric oxide is known to act through_______________?
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A. Cyclic GMP

B. Prostacyclins

C. Calcium ions

D. Cyclic AMP

3615. The human plasma lipoprotein containing the highest percentage of triacylglycerol by weight is______________?
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A. VLDL

B. Chylomicrons

C. HDL

D. LDL

3616. The sugar component of cerebrosides is_____________?
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A. None of the above

B. Galactose

C. Fructose

D. Sucrose

3617. The daily requirement of protein for the adults is_________________?
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A. 120 gms

B. 6 gms

C. 60 gms

D. 250 gms

3618. Calcification of all teeth except last molars are completed by____________?
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A. 8 years

B. 4 years

C. 2 years

D. 6 years

3619. The immediate precursor of norepinephrine is______________?
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A. Tyrosine

B. Dopamine

C. Epinephrine

D. Phenylalanine

3620. How many roots does a primary maxillary first molar have ___________?
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A. Two

B. Four

C. One

D. Three

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