medical MCQs – Page 191

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 Review each marked answer and report any item that may be outdated or unclear.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

3801. A small Ca+2 binding protein that modifies the activity of many enzymes and other proteins in response to changes of Ca+2 concentration is known as______________?
0

A. Calmodulin

B. Kinesin

C. Collagen

D. Cycline

3802. Beri-beri is caused due to the deficiency of______________?
0

A. Riboflavin

B. Pyridoxine

C. Ascorbic acid

D. Thiamine

3803. The following is not a carrier protein________________?
0

A. Cerruloplasmin

B. Transferrin

C. Haptoglobulin

D. Transcobalamine

3804. Nutrients are mainly absorbed in______________?
0

A. Stomach

B. Small intestine

C. Large intestine

D. Liver

3805. Temporo mandibular ligament is attached to _____________?
0

A. Posterior aspect of TMJ

B. Mandibular condyle

C. Lateral aspect of TMJ

D. Coronioid process

3806. Parietal cells of gastric mucosa secrete ______________ ?
0

A. Gastrin

B. All of the above

C. Mucin

D. Hcl

3807. Vitamin D_____________?
0

A. Synthesis is regulated at the reaction catalyzed by 15-hydroxylase

B. Along with PTH, increases calcium resorption from bone

C. Deficiency on adults leads to rickets

D. Absorption requires bile pigments

3808. Peristalsis involves coordinated contraction and relaxation______________?
0

A. Dorsal and ventral to food bolus

B. Lateral and medial to food bolus

C. Above and below the food bolus

D. None of the above

3809. Production of bile takes place in____________________?
0

A. Hepatic duct

B. The gall bladder

C. Hepatocytes

D. Kupffer cells

3810. Most of vitamin B12 in the body is stored as_____________?
0

A. Hydroxy B12

B. None of the above

C. Cyano cobalamine

D. Methyl B12

3811. Vitamin K____________?
0

A. Prevention of capillary fragility

B. Inhibition of antithrombin

C. Helps in formation of prothrombin

D. Stimulation of hematopoiesis in red bone marrow

3812. Which is the by product of the urea cycle_______________?
0

A. Aspartate

B. Ornithine

C. Fumarate

D. Succinate

3813. Forward moment of mandible is done by_________?
0

A. Temporalis anterior fibers

B. Temporalis- posterior fibers

C. Lateral pterygoid

D. Medial pterygoid

3814. In the intercuspal position, the lingual cusp of maxillary 2nd premolar contacts the______________?
0

A. Distal marginal ridge of mandibular 2ndmolar

B. Mesial fossa of mandibular 1<sup>st</sup> molar

C. Distal marginal ridge of mandibular 1st premolar

D. Distal fossa of mandibular 2ndpremolar

3815. The vitamin K dependent proteins C and S are characterized by their ability to inactivate factor_____________?
0

A. V a

B. VIII a

C. None of the above

D. VIII a and V a

3816. Vitamin B12 is_______________?
0

A. Cyano cobalamine

B. A fat soluble vitamin

C. Intrinsic factor of castle

D. Extrinsic factor of castle

3817. Malonyl aciduria is seen in deficiency of_____________?
0

A. Riboflavin

B. Folic acid

C. B12

D. Pyridoxine

3818. The duodenum secretes a hormone which has following effects except_______________?
0

A. Increases gastric motility

B. Leads to meager flow of pancreatic juice rich in enzymes

C. Causes gall bladder to contract and sphincter of oddi to relax

D. Causes copious pancreatic juice rich in bicarbonate and poor in enzymes

3819. Biuret test is confirmatory test for_______________?
0

A. Carbohydrate

B. None of the above

C. Protein

D. Fat

3820. Aniacinosis results in______________?
0

A. Perleche

B. Nyctalopia

C. Beri beri

D. Pellagra

Previous Next

Showing 3801 to 3820 of 10266 mcqs