Adh

A

increases water absorption

B

decreases water absorpiton

C

synthesis salt

D

controls sugar level of blood.

Text Solution

Verified by Experts

The correct Answer is:
A
Antidiuretic hormone (ADH) stimulataes readbsorption of water and electrolytes by the distal tubules and thereby reduces loss of water through urine.
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In the following questions , a statement of assertion (A) is followed by a statement of reason (R). A: ADH response is observed during increased osmolarity due to dehydration. R : Vasopressin promotes water uptake from collecting ducts and DCT.

Read statement A-D :- (A) When some one drinks lot of water, ADH release is decreased. (B) Exposure to cold temperature suppress ADH release (C ) Caffeine in Tea and coffee increase sodium absorption from DCT and collecting ducts (D) ADH also cause vasodilation Which statement are correct

Which of the following sequence is correct? (i) An increase in body fluid volume rarr switch off the osmoreceptors rarr suppresses the ADH Release (ii) ADH rarr Constricting effect on blood vessel rarr B.P. high rarr Glomerular blood flow more rarr GFR more (iii) Angiotensinogen rarr Angiotensin I rarr Angiotensin II rarr Adrenal cortex rarr Aldosterone (iv) Angiotensin rarr ADH rarr GFR more rarr Aldosterone rarr B.P. high

Assertion: Vasopressin is also called anti-diuretic hormone (ADH) Vasopressin acts mainly at the kidney and stimulates resorption of water and electrolytes by the distal tubules and thereby reduces the loss of water through urine (diuresis).

How many of the given statements are correct? A. Hypothalamus is the centre for eating and drinking. B. Corpus callosum is made up of nerve fibres. C. ADH is synthesized by the posterior pituitary. D. Balancing by semicircular canals is done by the macula.