A) Estrogen and Parathyroid hormone
B) Progesterone and Aldosterone
C) Aldosterone and Prolactin
D) Parathyroid hormone and Prolactin
Correct Answer: A
Solution :
| [A] Estrogen promotes the activity of osteoblast and inhibits osteoclast. In an ageing female osteoporosis occurs due to deficiency of estrogen. Parathormone promotes mobilisation of calcium from bone into blood. Excessive activity of parathormone causes demineralisation leading to osteoporosis. |
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