GENERAL HISTOLOGY

ENDOCRINE SYSTEM

ENDOCRINE

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Glucagon is released in response to:
A
low blood glucose levels
B
high blood glucose levels
C
low blood salt levels
D
low blood calcium levels
Explanation: 

Detailed explanation-1: -Glucagon is a peptide hormone secreted from the alpha cells of the pancreatic islets of Langerhans. Hypoglycemia is physiologically the most potent secretory stimulus and the best known action of glucagon is to stimulate glucose production in the liver and thereby to maintain adequate plasma glucose concentrations.

Detailed explanation-2: -Glucagon is a hormone produced in the pancreas that stimulates your liver to release stored glucose into your bloodstream when your blood glucose levels are too low.

Detailed explanation-3: -Insulin and Glucagon The first response to falling glucose levels is decreased insulin secretion. As plasma glucose continues to fall (3.6–3.9 mmol/L [65–70 mg/dL]), glucagon is released (13, 24) through incompletely understood mechanisms.

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