Control of Hormone Secretion


 
 
Concept Explanation
 

Control of Hormone Secretion

Control of Hormone Secretion:

A feed back mechanism is a loop in which a product feeds back to control its own production. Most hormone feedback mechanisms involves negative feedback loops. Negative feedback keeps the concentration of hormone within a narrow range.

Negative feedback occurs when a product feeds back to decrease its own production. Whereas a positive feedback occurs when a product feedback to increase its own production.

We have a feedback mechanism for controlling the precise quantity and timing of hormone secretion. For example, when we take a meal, our blood sugar level rises. The response to this stimulus is the secretion of the required amount of insulin. The insulin carries glucose to the tissues. As a result, the blood sugar level falls and insulin secretion is reduced.

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Sample Questions
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Question : 1

Hormone levels are primarily controlled through ___________ feedback.

Right Option : C
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Question : 2

Negative feedback occurs when a product feeds back to __________________  its own production.

Right Option : B
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Explanation
Question : 3

Negative feedback keeps the concentration of hormone within a ___________________ range.

Right Option : A
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Explanation
 
 
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