ANATOMY

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GENERAL ANATOMY

ENDOCRINE SYSTEM

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
An increase in the level of hormone A causes an increase in the level of hormone B. The increase in the level of hormone B then causes a decrease in the level of hormone A. This process is an example of
A
a failure to maintain homeostasis
B
a feedback mechanism
C
a disruption in cellular coordination
D
the breakdown of chemicals
Explanation: 

Detailed explanation-1: -Growth hormone levels are increased by sleep, stress, exercise and low glucose levels in the blood. They also increase around the time of puberty. Growth hormone release is lowered in pregnancy and if the brain senses high levels of growth hormone or insulin-like growth factors already in the blood.

Detailed explanation-2: -The more thyroid hormone there is in the bloodstream, the faster chemical reactions happen in the body.

Detailed explanation-3: -The anterior pituitary in turn releases hormones that regulate hormone production by other endocrine glands. For example, the anterior pituitary releases thyroid-stimulating hormone, which stimulates the thyroid gland to produce the hormones T3 and T4.

Detailed explanation-4: -Acromegaly is a hormonal disorder that develops when your pituitary gland produces too much growth hormone during adulthood. When you have too much growth hormone, your bones increase in size. In childhood, this leads to increased height and is called gigantism.

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