medical MCQs – Page 183

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 Review each marked answer and report any item that may be outdated or unclear.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

3641. Chargaff rule states that___________?
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A. A+G=T+C

B. A=U=T=G=C

C. A+T=G+C

D. A/T=G/C

3642. Normal blood bilirubin level is______________?
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A. 3 4 mg%

B. 1 3 mg%

C. 4 5.5 mg%

D. 0.5 1 mg%

3643. Primary canine erupts______________?
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A. After B

B. After D

C. After E

D. Before B

3644. All are true of the genetic code except____________?
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A. Non overlapping

B. Degenerate

C. Punctuation

D. Universal

3645. Which of these is not included in parenteral therapy ?
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A. Micronutrients

B. Fibres

C. Carbohydrates

D. Fats

3646. The major driving force for formation of membrane lipid bilayer is____________?
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A. Hydrophobic interactions

B. Not known

C. Vander wall forces

D. Hydrogen bonding

3647. In the majority of situations, that first decidous tooth to erupt is the____________?
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A. Maxillary central incisor

B. Mandibular central incisor

C. Maxillary second molar

D. Mandibular first molar

3648. Codons are present on_____________?
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A. DNA

B. t-RNA

C. m-RNA

D. Ribosomal RNA

3649. At birth the following teeth are calcifying____________?
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A. Permanent canines

B. Primary incisors & first molar

C. Permanent 3rd molar

D. Primary canines & second molars

3650. Which of the following about biological membrane is true ?
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A. Symmertrical bi leaflet structures

B. Lipid and protein moiety are held by covalent interactions

C. Rigid assembly of protein, lipid and carbohydrate

D. Lipid moiety is amphipathic

3651. Under metabolic conditions associated with a high rate of fatty acid oxidation liver produces________________?
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A. Glycine

B. Cholesterol

C. Glutamate

D. Acetoacetate

3652. The primary teeth that present the most outstanding morpholgic deviations from permanent teeth are______________?
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A. Canines

B. Central incisors

C. Mandibular first molar

D. Mandibular second molar

3653. Within the RBC hypoxia stimulates glycolysis by which of the following regulating pathways ?
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A. Hypoxia inhibits hexokinase

B. Activation of the regulatory enzymes by high PH

C. Hypoxia stimulates pyruvate dehydrogenase by increased, 2, 3DPG

D. Hypoxia stimulates release of all glycolytic enzymes from Band 3 on RBC membrane

3654. In all the following RNA participates directly except________________?
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A. Post transcriptional modification

B. Splicing

C. Post translation modification

D. DNA replication

3655. End product of purine metabolism is______________?
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A. Uric acid

B. Creatinine

C. Phosphates

D. Xanthine

3656. The last primary tooth to be replaced by a permanent tooth is usually the_____________?
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A. Maxillary canine

B. Mandibular canine

C. Mandibular second molar

D. Maxillary second molar

3657. B-oxidation of odd-chain fatty aids produce_______________?
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A. Malonyl CoA

B. Acetyl CoA

C. Propionyl CoA

D. Succinyl CoA

3658. Which base is not found in DNA________________?
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A. Adenine

B. Uracil

C. Guanine

D. Cytosine

3659. A patient of type 2 diabetes mellitus is given nutrition rich in________________?
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A. Fat

B. Carbohydrates

C. Proteins

D. Fibre rich diet

3660. True about prostaglandins is______________?
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A. All are true

B. Some require C-AMP for their action

C. Short acting

D. Present in many tissues

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