Question

Identify the correct sequence of hormones with the followiong functions.
I. Stimulates the crypts of Lieberkuhn.
II. Inhibits the secretion of glucagon by alpha cells.
III. Stimulates Brunner’s glands to release mucus.
(correct answer + 1, wrong answer - 0.25)

• A. I-Gastrin II-Duocrinin III-Enterokinin
• B. I-Duocrinin II-Cholecystokinin III-Enterokinin
• C. I-Duocrinin II-Cholecystokinin III-Villikinin
• D. I-Enterokinin II-Somatostatin III-Duocrinin

Answer 1

The correct option is D I-Enterokinin II-Somatostatin III-Duocrinin

i) Enterokinin: Stimulates crypts of Lieberkuhn present in small intestine.
ii) Somatostatin: Inhibits secretion of glucagon from pancreas.
iii) Duocrinin: stimulates Brunner's glands to release mucus.

All the above hormones are gastrointestinal hormones.