Flashcards in (final) Lecture 12 (5/18/16) PT. 2 Deck (18):
The concentration of the filtrate inside the nephron is _______ as the concentration of the material in the interstitial fluid in the medulla.
about the same
What is actively transported out of the loop and into the interstitial space?
The ascending limb is impermeable to...
What is the most concentrated part of the nephron?
bottom of the Loop of Henle
The descending loop is permeable to ______, not _____.
H20, not solute
"The ascending limb is getting rid of ________.
As you go up and up, it's getting less __________."
The loop has used materials in the glomerular filtrate to set up a concentration gradient in the _______________ of the kidney.
What does the collecting duct collect from?
many distal convoluted tubules
"When the concentration is the highest, what does that do to your rate of transport?"
it increases it
What does the cortex contain?
proximal part of Loop of Henle
proximal part of collecting tubules
What does the medulla contain?
distal part of Loop of Henle
distal part of collecting tubules
Where does most active transport take place?
The collecting duct is permeable to ______ the same way the descending limb is permeable to _____.
In regards to urine production, the most important hormone is __________.
Antidiuretic hormone (ADH)
ADH makes the distal convoluted tubule and collecting duct more or less permeable to water?
ADH retains water in the body and what kind of urine?
Effect of a diuretic:
decreases (or it just doesn't increase) permeability of collecting tubule
*you lose lots of water