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Digestion and Absorption · Question 47

AIPMT 2005MCQEasy📈 Topic in 12% papers+4−1
1

Epithelial cells of the intestine involved in food absorption have on their surface

  1. pinocytic vesicles
  2. microvilli
  3. zymogen granules
  4. phagocytic vesicles.

Answer

(2) microvilli

Solution

The columnar epithelial cells lining the villi of the small intestine bear numerous microvilli on their free surface, giving a brush border appearance.

Microvilli greatly increase the surface area for absorption of digested food.

Answer: (2)

Out of syllabusAIPMT 2005

Keep practising — Digestion and Absorption

2

A patient is generally advised to specially consume more meat, lentils, milk and eggs in diet only when he suffers from

  1. scurvy
  2. kwashiorkor
  3. rickets
  4. anaemia.
Out of syllabusAIPMT 2005
3

Which group of three of the following five statements (1–5) contain all three correct statements regarding beri-beri? 1. A crippling disease prevalent among the native population of sub-Saharan Africa 2. A deficiency disease caused by lack of thiamine (vitamin B1) 3. A nutritional disorder in infants and young children when the diet is persistently deficient in essential protein 4. Occurs in those countries where the staple diet is polished rice 5. The symptoms are pain from neuritis, paralysis, muscle wasting, progressive oedema, mental deterioration and finally heart failure.

  1. 2, 4 and 5
  2. 1, 2 and 4
  3. 1, 3 and 5
  4. 2, 3 and 5
Out of syllabusAIPMT 2005
4

The richest sources of vitamin B12 are

  1. goat's liver and Spirulina
  2. chocolate and green gram
  3. rice and hen's egg
  4. carrot and chicken's breast.
Out of syllabusAIPMT 2004
5

Which one of the following pairs is not correctly matched?

  1. Vitamin B12 - Pernicious anaemia
  2. Vitamin B6 - Convulsions
  3. Vitamin B1 - Beri-beri
  4. Vitamin B2 - Pellagra
Out of syllabusAIPMT 2004
6

Which one of the following pairs is not correctly matched?

  1. Vitamin C – Scurvy
  2. Vitamin B2 – Pellagra
  3. Vitamin B12 – Pernicious anaemia
  4. Vitamin B6 – Beri-beri
Out of syllabusAIPMT 2003
7

During prolonged fasting, in what sequence are the following organic compounds used up by the body?

  1. First carbohydrates, next fats and lastly proteins
  2. First fats, next carbohydrates and lastly proteins
  3. First carbohydrates, next proteins and lastly lipids
  4. First proteins, next lipids and lastly carbohydrates
Out of syllabusAIPMT 2003
8

Stool of a person is whitish grey coloured due to malfunction of which of the following organs?

  1. Pancreas
  2. Spleen
  3. Kidney
  4. Liver
Out of syllabusAIPMT 2002
9

Hydrolytic enzymes which act at low pH are called

  1. proteases
  2. -amylases
  3. hydrolases
  4. peroxidases.
Out of syllabusAIPMT 2002
10

Which one of the following is correctly matched?

  1. Vitamin E – Tocopherol
  2. Vitamin D – Riboflavin
  3. Vitamin B – Calciferol
  4. Vitamin A – Thiamine
Out of syllabusAIPMT 2001
11

In mammals milk is digested by the action of

  1. rennin
  2. amylase
  3. intestinal bacteria
  4. invertase
Out of syllabusAIPMT 2000

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