MICROANATOMY

ENDOCRINE ORGANS AND RESPIRATORY SYSTEM

ENDOCRINE ORGANS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
What is positive feedback?
A
It is when something good happens in the endocrine system.
B
It is when the amount of hormones produced is balanced.
C
It is when the production of more hormones is counteracted.
D
It is when increased hormone secretion is enhanced to produce even more hormones.
Explanation: 

Detailed explanation-1: -Positive feedback occurs when a product feeds back to increase its own production. This causes conditions to become increasingly extreme. An example of positive feedback is milk production by a mother for her baby. As the baby suckles, nerve messages from the nipple cause the pituitary gland to secrete prolactin.

Detailed explanation-2: -In positive feedback, rising levels of hormones feedback to increase hormone production. During most of the menstrual cycle, estrogen and progesterone provide negative feedback to the hypothalamus and pituitary gland. This keeps their levels more or less constant.

Detailed explanation-3: -: feedback that tends to magnify a process or increase its output.

Detailed explanation-4: -Oxytocin production and secretion is controlled by a positive feedback mechanism where release of the hormone causes an action that stimulates more of its own release.

There is 1 question to complete.