NEET PG DENTAL EXAM

HEAD NECK

THYROID GLAND

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Parathyroid hormone controls
A
metabolism.
B
water levels.
C
calcium levels.
D
secondary sex characteristics.
Explanation: 

Detailed explanation-1: -This hormone raises calcium levels by releasing calcium from your bones, increasing the amount of calcium absorbed from your small intestine and decreasing the amount of calcium lost in urine. When blood-calcium levels are too high, the parathyroid glands produce less parathyroid hormone.

Detailed explanation-2: -Figure 37.9. 1: Regulation of blood calcium levels: Parathyroid hormone (PTH) is released in response to low blood calcium levels. It increases blood calcium levels by stimulating the resorption of bones, increasing calcium resorption in the kidneys, and indirectly increasing calcium absorption in the intestines.

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