The glucose level in the blood remains fairly constant. Homeostasis is maintained by a feedback loop that.....

Question

The glucose level in the blood remains fairly constant. Homeostasis is maintained by a feedback loop that may be triggered by?

A) Too much glucose in the blood.

B) Too much insulin in the blood.

C) Not enought glucose in the blood.

D) Not enought insulin in the blood.

E) All of the above.

Answer 1

A simple act of balance is essential to maintain homeostatic function, and it is influenced by glucose metabolism.

The hormones that regulate glucose metabolism are insulin and glucagon. When the blood sugar level rises above the "target range" for the individual (assuming they do not have diabetes) -- insulin is released from the beta cells of the pancreas to bring the blood sugar back into range.

When the blood sugar falls below the "target range" for the individual -- glucagon is released from the alpha cells and the blood sugar rises into range.

Insulin and glucagon work synergistically to keep blood glucose concentrations normal. When the blood sugar is "in range" the delta cells release somatostatin, which acts like a "pause" button to keep blood sugar in a holding pattern in normal range.

Homeostasis is maintained by a feedback loop that is triggered by the hormones that tell the alpha, beta or delta cells when to do their thing. These hormones come from a group of cells called PP (pancreatic peptide) cells. These guys are the object of every obesity-drug researchers affections because they surge or suppress appetite.

Awesome question, Tiffany D!

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Answer 2

2

Answer 3

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Answer 4

E all of the above

Answer 5

all of the above, now learn to do your own homework.