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Question
Parathormone is involved in calcium balance in the body. Which of the following organs does it act on?
Parathormone is involved in calcium balance in the body. Which of the following organs does it act on?
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Solution
The correct options are
B Kidneys
C Gastrointestinal tract
D Bones
Parathyroid hormone (PTH) increases the Ca++ levels in the blood. PTH acts on bones and stimulates the process of bone resorption. PTH also stimulates reabsorption of Ca++ by the renal tubules and increases Ca++ absorption from food in the intestine. It is, thus, clear that PTH is a hypercalcemic hormone, i.e., it increases the blood Ca++ levels.
B Kidneys
C Gastrointestinal tract
D Bones
Parathyroid hormone (PTH) increases the Ca++ levels in the blood. PTH acts on bones and stimulates the process of bone resorption. PTH also stimulates reabsorption of Ca++ by the renal tubules and increases Ca++ absorption from food in the intestine. It is, thus, clear that PTH is a hypercalcemic hormone, i.e., it increases the blood Ca++ levels.
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