NEET PG DENTAL EXAM

HISTOLOGY

CARTILAGE BONE

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
What hormone stimulates the osteoblasts to remove calcium from the bone and make it available for use in the body?
A
Calcitonin
B
Parathyroid hormone
C
progesterone
D
estrogen
Explanation: 

Detailed explanation-1: -Parathyroid hormone is directly involved in the bones, kidneys, and small intestine. In the bones, PTH stimulates the release of calcium in an indirect process through osteoclasts which ultimately leads to the resorption of the bones.

Detailed explanation-2: -The parathyroid hormone stimulates the following functions: Release of calcium by bones into the bloodstream. Absorption of calcium from food by the intestines. Conservation of calcium by the kidneys.

Detailed explanation-3: -Parathyroid hormone (PTH) is essential for the maintenance of calcium homeostasis through, in part, its actions to regulate bone remodeling.

Detailed explanation-4: -A substance made by the parathyroid gland that helps the body store and use calcium. A higher-than-normal amount of parathyroid hormone causes high levels of calcium in the blood and may be a sign of disease. Also called parathormone, parathyrin, and PTH.

There is 1 question to complete.