Tag: liver

Questions Related to liver

Succus entericus is secreted by

bio-chemistry digestion digestive glands liver pancreas

  1. Crypts of Lieberkuhn

  2. Brunners glands

  3. Both A and B

  4. None of the above

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Correct Option: A

In the absence of enterokinase, digestion would be affected in intestine of

bio-chemistry digestion digestive glands liver pancreas

  1. Maltose

  2. Starch

  3. Albumin

  4. Amino acid

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Correct Option: C

If for some reasons our goblet cells are non-functional. This will adversely affect

bio-chemistry digestion digestive glands liver pancreas

  1. Secretion of sebum from sebaceous glands

  2. Maturation of sperms

  3. Smooth movement of food down the intestine

  4. Production of somatostatin

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Correct Option: C

The cells lining the base of intestinal glands that secrete lysozyme are

bio-chemistry digestion digestive glands liver pancreas

  1. Brunners gland

  2. Parietal cells

  3. Neck cells

  4. Paneth cells

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Correct Option: D

In Escherichia coli, how many codons code for the standard amino-acids?

bio-chemistry digestion digestive glands liver pancreas

  1. $64$

  2. $60$

  3. $61$

  4. $20$

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Correct Option: C
Lining of intestine of man is ________________.
bio-chemistry digestion digestive glands liver pancreas

  1. Brush bordered

  2. Ciliated

  3. Non-keratinised

  4. Keratinised

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Correct Option: A
Explanation:

The outer surface of columnar epithelial cells lining the intestine of man is brush-bordered. It is made up of microvilli that greatly increase the surface area for absorption.

Which of the following statement is not correct?

bio-chemistry digestion digestive glands liver pancreas

  1. Burner's glands are present in the submucosa of stomach and secrete pepsinogen

  2. Goblet cells are present in the mucosa of intestine and secrete mucus

  3. Oxyntic cells are present in the mucosa of stomach and secrete HCl

  4. Acini are present in the pancreas and secrete carboxypeptidase

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Correct Option: A
Explanation:
The Burner's glands are present in the submucosa of the small intestine and secrete an alkaline fluid rich in mucin that protects the duodenal surface of the small intestine from the action of the acidic chyme.
So, the correct answer is 'Burner's glands are present in the submucosa of the stomach and secrete pepsinogen'.

Which of the following statements regarding small intestine are incorrect?
(i) Throughout the small intestine, there are crypts of Lieberkuhn at the base of the villi.
(ii) In duodenum, there are, in addition, small rounds peptic glands.
(iii) The small intestine is strongly -self-protective; by means of a copious production of mucus and a mechanism for the rapid replacement of cells I damaged by contact with fooiLapd. digestive juices.
(iv) Each villus is richly supplied with blood capillaries only.

bio-chemistry digestion digestive glands liver pancreas

  1. (i) and (iv)

  2. (ii) and (iv)

  3. (iii) and (iv)

  4. (i) and (ii)

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Correct Option: B
Explanation:

The correct answer is (b). 

Brunner's gland is present in

bio-chemistry digestion digestive glands liver pancreas

  1. liver

  2. duodenum

  3. oesophagus

  4. stomach,

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Correct Option: B
Explanation:

Brunner's gland is present in 'duodenum'.

So the correct option is B.

Sacculus rotundus is a dilated part as posterior end of

bio-chemistry digestion digestive glands liver pancreas

  1. Ileum

  2. Oesophagus

  3. Ilium

  4. Colon

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Correct Option: A
Explanation:

  • An anatomic structure exclusive to rabbits that are located at the terminal part of the ileum is sacculus rotundus. 
  • It is formed at the distal end of ileum and is expanded to form a small dilated spherical sac in a rabbit.
  •  It is rich in lymphoid tissue. Hence, Sacculus rotundus is a dilated part as posterior end of the ileum.
So, the correct answer is 'ileum'.