Multiple Choice Questions

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Pepsin acts in

  • basic medium

  • acidic medium

  • neutral medium

  • All of these


B.

acidic medium

Pepsin acts in an acidic medium. The HCl present in the stomach provides the pH (1-2) necessary to ensure the activation of pepsinogen to active form pepsin.


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Marasmus in children is caused by deficiency of

  • protein

  • fats

  • vitamins

  • carbohydrates


Which of the following helps in the absorption of Vitamin-B12?

  • Pepsin

  • Bile juice

  • Castle's intrinsic gastric factor

  • Cholecy stokinin


Brunner's glands are present in

  • duodenum

  • oesophagus

  • ileum

  • stomach


Match the column I with column II and choose the correct option.

Column I Column II
A. Goblet cells 1. Antibacterial agent
B. Lysozyme 2. Mucous
C. Saliva 3. HCl
D. Oxyntic cells 4. Sublingual gland

  • A - 3; B - 1; C - 4; D - 2

  • A - 2; B - 3; C - 1; D - 4

  • A - 1; B - 3; C - 4; D - 2

  • A - 2; B - 1; C - 4; D - 3


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Bilirubin and biliverdin are

  • enzymes

  • bile salts

  • bile pigments

  • None of these


Chylomicrons are

  • micelles covered by a protein coat

  • droplets along with triglycerides

  • triglycerides along with monosaccharides

  • glycerol droplets formed in intestine after digestion of fats


Muscular movements of alimentarey canal are known as

  • peristalsis

  • diastole

  • systole

  • muscles contraction


Which among the following hormone binds to H2 receptor and stimulates the gastric acid secretion in stomach?

  • Gastrin

  • Serotonin

  • Histamine

  • Somatostatin


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Read the following statements about dentition.

I. Dentistry refers to the study of teeth.

II. Endodontics is the prevention and correction of abnormally aligned teeth.

III. Orthodontics is the treatment of abnormal conditions of tissues immediately surrounding the teeth.

IV. Periodontics is the prevention, diagonsis and treatment of dental diseases.

Choose the correct explanation.

  • Only I

  • I and II

  • II and III

  • I, II, III and IV


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