Exercise 37 Functions Of Nephron

Question 1

Descending limb of the nephron loop

Answer 1

Reabsorption of an additional 15% of water by osmosis. Impermeable to solutes.

Question 2

Collecting ducts

Answer 2

Hormones determine if urine is concentrated.

Question 3

Glomerular Corpuscle

Answer 3

Filters blood and forms filtrate.

Question 4

Proximal convoluted tubule

Answer 4

Reabsorption of majority of water and solutes from filtrate by active and passive processes. Also secretion occurs here.

Question 5

Distal convoluted tubule

Answer 5

Reabsorption of more sodium, chloride , and about 10 to 15 percent more water

Question 6

Ascending limb of the nephron loop

Answer 6

Reabsorption of sodium and chloride decreases the osmolarity of filtrate. Nearly impermeable to water