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Question

Which hormone stimulates contraction of gall bladder?

A
CCK-PZ
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B
ACTH
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C
LTH
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D
FSH
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Solution

The correct option is A CCK-PZ
CCK-PZ (cholecystokinin- pancreozymin) is secreted by endocrine cells of the duodenal wall in response to the presence of fatty food. It induces contraction of the gallbladder to release stored bile. Adrenocorticotropic hormone (ACTH) targets adrenal cortex to produce its hormones. LTH (luteotropic hormone/prolactin) targets mammary gland to stimulate breast development and milk production after baby birth. FSH stimulates growth and development of follicles in the ovary. Thus, the correct answer is A.

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