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Which of the following statements correctly describes a negative feedback mechanism?
Choose 1 answer:
Choose 1 answer:
(Choice A) In childbirth, each muscular contraction causes the intensity of additional contractions to increase during labor.
A
In childbirth, each muscular contraction causes the intensity of additional contractions to increase during labor.
(Choice B) When your body temperature increases, shivering helps decrease body temperature back to normal.
B
When your body temperature increases, shivering helps decrease body temperature back to normal.
(Choice C) When blood glucose levels increase after a meal is digested, glucagon is released by the pancreas.
C
When blood glucose levels increase after a meal is digested, glucagon is released by the pancreas.
(Choice D) When your body temperature increases, evaporative cooling (sweating) helps decrease your body temperature back to normal.
D
When your body temperature increases, evaporative cooling (sweating) helps decrease your body temperature back to normal.

Sagot :

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Answer:

• The correct answer that describes a negative feedback mechanism is:

(Choice D) When your body temperature increases, evaporative cooling (sweating) helps decrease your body temperature back to normal.

In a negative feedback mechanism, the response to a stimulus works to counteract the stimulus itself, bringing the system back to its set point or normal range. In this case, as the body temperature increases, sweating helps to cool the body down by evaporating moisture from the skin, thus reducing the temperature back to normal.