Q51
In the stomach, gastric acid is secreted by the
Correct Answer
Option B
Solution
(b) Hydrochloric acid is produced by parietal cells (oxyntic cells) in the gastric glands.
Digestion and Absorption
Q52
Which of the following statements is not correct?
Correct Answer
Option D
Solution
(d) Brunner's glands are present in the duodenum (not stomach) and secrete mucus and digestive juices.
Q53
Which of the following guards the opening of hepatopancreatic duct into the duodenum?
Correct Answer
Option D
Solution
(d) The sphincter of Oddi controls the flow of digestive juices through the ampulla of Vater into the duodenum.
Q54
A baby boy aged two years had twenty teeth. Which teeth were absent?
Correct Answer
Option B
Solution
(b) Total number of teeth in a human child is 20. In primary dentition premolars are absent.
Q55
The hepatic portal vein drains blood to liver from :
Correct Answer
Option C
Solution
(c) In hepatic portal system, hepatic portal vein drains blood to liver from intestine.
Q56
Which cells of Crypts of Lieberkuhn secrete antibacterial lysozyme?
Correct Answer
Option A
Solution
(a) Paneth cells secrete lysozyme which acts as anti-bacterial agent into the lumen of intestine.
Q57
Wharton's duct is associated with
Correct Answer
Option C
Solution
(c) Submaxillary glands open by submaxillary ducts known as Wharton's ducts.
Q58
In man the zymogen or chief cells are mainly found in
Correct Answer
Option D
Solution
(d) Zymogen (chief) cells are mainly found in the fundic part of the stomach, secreting proenzymes.
Q59
Emulsification of fat is carried out by
Correct Answer
Option B
Solution
(b) Bile salts reduce surface tension of large fat globules, breaking them into fine fat droplets (emulsification).
Q60
Pancreas produces
Correct Answer
Option B
Solution
(b) Pancreas produces trypsinogen, chymotrypsinogen, procarboxypeptidases (3 enzymes) and insulin, glucagon (2 hormones).
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