If the amount of sodium in the blood decreases, what would a negative feedback c

Question

If the amount of sodium in the blood decreases, what would a negative feedback control mechanism be expected to do? Decrease the amount of sodium in the blood. Increase the amount of sodium m the blood. Leave the amount of sodium unchanged. Change the set point for sodium. Inhibit the ingestion of more sodium. The hormone insulin enhances the transport of glucose into body cells. Its secretion is controlled by a negative feedback system between the concentration of glucose in the blood and the cells that secrete insulin. Which of the following statement is most likely to be correct? A decrease in blood glucose concentration will stimulate insulin secretion, which will in turn lower the blood glucose concentration still further. An increase in blood glucose concentration will stimulate insulin secretion, which will in turn lower the blood glucose concentration. A decrease in blood glucose concentration will stimulate insulin secretion, which will in turn increase the blood glucose concentration. An increase in blood glucose concentration will stimulate insulin secretion, which will in turn increase the blood glucose concentration still further.

Explanation / Answer

4. Increase the amount of sodium in the blood.

Negative feedback mechanism:

5. Generally, negative feedback mechanism means, a input or stimulus causes an effect which will cause an output which is opposite to it.

When blood glucose levels are increased, pancreatic cells secrete insulin to control the high glucose level inorder to bring it normal and also stores excess glucose as glycogen.

So the answer is B

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