Chapter 24 Urinary system

the fluid that flows through the nephron

filtrate

98%-100% of what is reabsorbed from tubular fluid

Sodium

most of the sodium is absorbed where

nephron tubule majority in PCT

Sodium is relatively high where

tubule lumen and interstitial fluid

Sodium and potassium pumps embedded where

in basolateral membrane

where sodium moves what follows

water

ANP does what

inhibits aldosterone from binding to the receptor, which inhibits you from absorbing sodium and water

what does aldosterone do

increases both the number of sodium channels and Sodium pumps

ADH causes what

you to make more aquaporins

materials that are secreted are usually

too big, bound to larger compounds, drugs

nutrients are normally what

reabsorbed completely

each nutrient has what

their own specific transport protein