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With regards to a variation of a physiological value from its set point or normal limit, negative feedback always __________ the value back to the set point or normal limit.

A. returns
B. decreases
C. increases
D. There is not enough information to answer this question.

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Answer:

Answer is A. returns.

Explanation:

Negative feedback is a situation where the result , outcome or end product of a system stabilize the input or stimulus of that same system.

Examples of negative feedback homeostasis and blood sugar regulation.

In blood sugar regulation, the glucagon tends to increase or raises the blood glucose when the level is low, while the insulin lower the blood glucose when the level is high.

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