CHAPTER-16 : DIGESTION AND ABSORPTION
Multiple Choice Questions- Which of the following pairs is wrongly matched?
(a) Peptic cells - Prorennin
(b) Goblet cells - Castle intrinsic factor
(c) Oxyntic cells - HCl
(d) Argentaffin cells - Serotonin - Which one of the following is a function of liver?
(a) Synthesis of vitamin K
(b) Storage of chlorine and magnesium
(c) Synthesis of hormone secretion
(d) Formation of red blood corpuscles - Whartons’ duct is part of ____ glands.
(a) sublingual
(b) submaxillary
(c) parotid
(d) brunner’s - Which of the following is true for succus entericus?
(a) It neutralise the HCl of chyme.
(b) It prevents decomposition of food by preventing
bacterial growth on it.
(c) It contains enterokinase which converts trypsinogen
into trypsin.
(d) It helps in osmoregulation.
5. The enzyme responsible for conversion of procarboxypeptidase
to carboxypeptidase is
(a) trypsin
(b) carboxypeptidases
(c) chymotrypsin
(d) enterokinase.
6. Identify the functions of hormone somatostatin.
(i) Contracts the gall bladder to release bile.
(ii) Inhibits the secretion of glucagon by alpha cells and
insulin by beta cells of pancreas.
(iii) Stimulates the crypts of Lieberkuhn to release
enzymes into the intestinal juice.
(iv) Suppresses the release of hormones from digestive
tract.
(a) (i), (ii) and (iv) (b) (i), (ii) and (iii)
(c) (ii) and (iv) (d) (ii) and (iii)
7. Which one of the following is false for absorption of
fats?
(a) Fats are absorbed with the help of micelle formation
in intestinal lumen.
(b) Micelles are further converted to very small fat
droplets called chylomicrons in the ribosomes.
(c) Fats are absorbed by simple diffusion.
(d) Jejunum is the main site for absorption of fatty acids,
glycerol and vitamins.
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Recall question or single concept question – indicated by a single finger.
Application question or question which requires 2 or 3 concepts - indicated by 2 fingers.
Application question or question which requires 3 or more concepts - indicated by 3 fingers.UNIT-V : HUMAN PHYSIOLOGY (PART - I)