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Digestion and Absorption Test - 53

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Digestion and Absorption Test - 53
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  • Question 1
    1 / -0
    The semidigested acidified food that enters duodenum is called
    Solution
    Chyme is the semi-fluid acidified mass of partly digested food that is expelled by a person's stomach, through the pyloric valve, into the duodenum.
    So ,the correct answer is 'Chyme'
  • Question 2
    1 / -0
    Heterocrine gland connected with digestive system is
    Solution
    Correct Option: C
    Explanation:
    • Heterocrine glands are the glands that function as both endocrine and exocrine glands in the body.
    • The pancreas is one such gland.
    • It operates as an endocrine gland in the digestive system by secreting pancreatic juice into the blood.
    • These juices help break down fats and sugars.
    Hence, heterocrine gland connected with the digestive system is the "Pancreas".
  • Question 3
    1 / -0
    Greater omentum is?
  • Question 4
    1 / -0
    Succus entericus is
  • Question 5
    1 / -0
    Intrinsic factor is produced in
    Solution
    Intrinsic factor is a glycoprotein that helps  intestine absorb vitamin B12. It is made by the parietal cells of  the stomach.
    So, the correct answer is 'Stomach'
  • Question 6
    1 / -0
    In Man the zymogen or chief cells are mainly found in ______________.
  • Question 7
    1 / -0
    Fatty acids and glycerol are first absorbed by 
    Solution
    • Fatty Acids and glycerol being insoluble, cannot be absorbed in blood.
    • Hence, they are first incorporated into small droplets called micelles which move into intestinal mucosa. They're reformed into very small protein coated fat globules called chylomicrons, which are transported into lacteals (lymphatic vessels of small intestine which absorb fats), from where; they're released in blood stream.
    Hence, Option A is correct.
  • Question 8
    1 / -0
    In mammals, digestion of starch begins in
  • Question 9
    1 / -0
    Cellulose digestion is associated with
    Solution
    • Humans cannot digest cellulose as they lack enzyme cellulase which helps to digest cellulose.
    • Caecum is a small blind sac which hosts some symbiotic micro-organisms that help in the digestion of cellulose.
    • Vermiform appendix (a finger like tubular projection) arises from caecum, is vestigial (of no use) in humans. It is believed to be associated with cellulose digestion in early humans.
    Hence, Option A is correct.
  • Question 10
    1 / -0
    Which one is caused by deficiency of protein?
    Solution
    • Night blindness occurs due to a deficiency of vitamin A.
    • Beri-beri is due to deficiency of vitamin $$B_1$$.
    • Xerophthalmia is also a symptom of vitamin A deficiency in which the eye fails to produce tears.
    • Kwashiorkor is a condition resulting from a deficiency of proteins in the body.
    So, the correct answer is option D.
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