AP PSYCHOLOGY

MOTIVATION EMOTION AND STRESS

MOTIVATION AND EMOTION

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Blood glucose levels are regulated by secretions of ____ by the pancreas.
A
PYY
B
Leptin
C
Orexin
D
Thyroxin
E
Insulin
Explanation: 

Detailed explanation-1: -The pancreas has key roles in maintaining normal blood glucose levels by producing and releasing insulin and glucagon.

Detailed explanation-2: -Insulin is secreted primarily in response to glucose, while other nutrients such as free fatty acids and amino acids can augment glucose-induced insulin secretion. In addition, various hormones, such as melatonin, estrogen, leptin, growth hormone, and glucagon like peptide-1 also regulate insulin secretion.

Detailed explanation-3: -Insulin helps blood sugar enter the body’s cells so it can be used for energy. Insulin also signals the liver to store blood sugar for later use. Blood sugar enters cells, and levels in the bloodstream decrease, signaling insulin to decrease too.

Detailed explanation-4: -The main function of the pancreas is to maintain healthy blood sugar levels. It is a large gland located behind the stomach. It produces insulin, glucagon, and other hormones. Diabetes occurs when the pancreas does not produce enough insulin or when the body does not use insulin properly (called insulin resistance).

Detailed explanation-5: -Regulation of blood glucose is largely done through the endocrine hormones of the pancreas, a beautiful balance of hormones achieved through a negative feedback loop. The main hormones of the pancreas that affect blood glucose include insulin, glucagon, somatostatin, and amylin.

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