The primary mechanism of water reabsorption in the kidney is secondary active tr

Question

The primary mechanism of water reabsorption in the kidney is secondary active transport by means of a sodium-water symporter. Primary active transport by means of protein pump. Osmosis through aquaporins. bulk transport by means of endocytosis. ___________ Dehydration results in decreased ADH secretion and decreased water reabsorption increased ADH secretion and decreased water reabsorption. decreased ADH secretion and increased water reabsorption increased ADH secretion and increased water reabsorption.___________ Urine flow from the renal pelvis to the urinary bladder produced by contraction of the detrusor muscle. hydrostatic pressure from the small intestine. suction from the urinary bladder ciliary action in the renal pelvis. peristalsis of the ureters. ___________ Micturition requires the opening of two sphincters. is reflex triggered by stretch receptors in the urinary bladder. is another name for Urination. requires contraction of the muscularis layers of the urinary bladder. All the choices are correct.____________ This figure shows a renal corpuscle, What structure does number 1 indicate? Proximal convoluted tubule Glomerulus Efferent arteriole Afferent arteriole Distal convoluted tubule ___________

Explanation / Answer

ans- 77 (C) osmosis through aquaporin. water reabsorption took place through osmosis . osmosis help when the any liquid or water moves across a semipermeable membrane from an area of high concentration to an area of low concentration. for the movement of water across the semi permeable liquid the aquaporin (protein) help .

ans-78- (D) increase in ADH secreation increase in water reabsorption . ADH is a harmone produce in body to maintain the water level in body. IN dehydration water level is decrease to maintain it ADH secreation is increased which results increase in water absorption and produce more concentrated urine.

A

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