21) The transport maximum is the: A) highest the glomerular filtration B) greate

Question

21) The transport maximum is the: A) highest the glomerular filtration B) greatest rate can increase without inhibiting kidney function. percentage of plasma entering the glomerulus that can become filtrate. C) upper limit of reabsorption due to saturation of carrier systems. D) steepest any concentration gradient can become. E) fastest rate at which fluid can flow through the renal tubules 22) Most water is reabsorbed in the proximal convoluted tubule by obligatory reabsorption, which means that: A) water is moving up its own gradient. B) water is intain osmotic balance. C) the carrier that transports sodium cannot do so without binding water first. D) the proximal convoluted tubule cannot physically hold the volume of water that enters from the glomerular the rate of water reabsorption never changes, regardless of water intake. capsule, so water is reabsorbed because of hydrostatic pressure. E) 23) If the level of aldosterone in the blood increases, then: A) more potassium is excreted in the urine. B) more sodium is excreted in the urine. C) blood pressure will drop. D) glomerular filtration rate will drop. E) First B, then C, then D. 24) The significance of secretion of ammonium (NH4+) ions by the tubule cells is: A) it triggers the release of renin. B) it results from generation of new bicarbonate ions that can be reabsorbed to help maintain pH C) it keeps the ascending limb of Henle's loop from reabsorbing water. D) it carries urea across the endothelium of the vasa recta. E) there is no apparent function for this type of secretion. 25) Podocytes are cells specialized for filtration that are found in the: A) walls of the vasa recta. B) ascending limb of the loop of Henle. C) urinary bladder D) visceral layer of the glomerular capsule. E) collecting duct.

Explanation / Answer

Answer for above questions:

21) C, Upper limit of reabsorption ....

22) B, Water is following sodium....

23) A

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