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Question

Which of the following statement are false/true?
(A) Calcitonin regulates the metabolism of calcium.
(B) Oxytocin stimulates contraction of the uterine muscle during birth.
(C) Grave's disease is caused by malfunctioning of the adrenal gland.
(D) ADH stimulates absorption of water and increases the urine production.

A
A and C are true B and D are false.
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B
A and B are true C and D are false.
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C
A and D are true B and C are false.
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D
A, B and C are true D only false.
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Solution

The correct option is B A and B are true C and D are false.
Calcitonin hormone stimulates temporary reduction in number and activity of osteoclasts and thereby reducing the blood calcium level to normal. Oxytocin facilitates uterine contractions to push the foetus downward which in turn stretches cervix more during childbirth. Oversecretion of thyroid hormones causes Graves’s disease. ADH stimulates absorption of water by collecting ducts resulting in production of concentrated urine and lower down the urine volume. Option B is correct answer.

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