Which feedback mechanism is used to regulate blood glucose?

Aa positive feedback loop because the blood glucose level was returned to the set point, not amplified
Ba negative feedback loop because the blood glucose level was returned to the set point, not amplified
Ca negative feedback loop because the blood glucose level was amplified, not returned to the set point
Da positive feedback loop because the blood gluc

Question

18-12-2015
Biology

Answered

Which feedback mechanism is used to regulate blood glucose?

Aa positive feedback loop because the blood glucose level was returned to the set point, not amplified
Ba negative feedback loop because the blood glucose level was returned to the set point, not amplified
Ca negative feedback loop because the blood glucose level was amplified, not returned to the set point
Da positive feedback loop because the blood gluc

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taskmasters taskmasters · Answer 1 · 2015-12-18T23:55:57-05:00

B. a negative feedback loop because the blood glucose level was returned to the set point, not amplified

The glands which get involved are the pancreas and adrenal glands. During increase in blood sugar, the pancreas secretes insulin, a hormone produced by the beta cells of the pancreas. Insulin causes red blood cells, muscle cells and fat cell to absorb sugar from the blood.During decrease of blood sugar, the pancreas secretes glucagon, a hormone produced by the alpha cells of the pancreas. Glucagon causes the liver to release the glucose stored in its cells.The Adrenal gland secretes cortisol during times of low blood sugar levels. Cortisol promotes the use of fatty acids to provide energy for working muscles, rather than using glucose.

emilygundersen379734 emilygundersen379734 · Answer 2 · 2020-10-27T12:24:41-04:00

emilygundersen379734 emilygundersen379734

27-10-2020

A positive feedback loop is one in which the body

returns to a set point.

pushes the set point beyond normal levels

doesn’t respond to changes.

ANSWER IS PUSHES THE SET POINT BEYOND NORMAL LEVELS

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