poo

Question 1

Directly regulated water loss in kidneys.
(fac) tubular reabsorption.
hypertonicity.

Answer 1

ADH

Question 2

promotes excretion on Na+ and Cl- followed by water excretion to decrease blood volume.
hormonal regulation in GFR (causes glomerulus to relax).
increases GFR.
decreases Na+ reabsorption.

Answer 2

ANP

Question 3

promote urinary Na+ and Cl- reabsorption (and water osmosis) when dehydrated.
hormonal regulation in GFR.
reduces GFR.

Answer 3

angiotensin II

Question 4

promote urinary Na+ and Cl- reabsorption (and water osmosis) when dehydrated.
Facultative reabsorption.
stimulates the principal cells in the collecting
ducts to reabsorb more Na+ and Cl– and secrete more K+

Answer 4

aldosterone