L3: Physiology of Kidney Flashcards
1
Q
How much urine is excreted by the kidneys roughly each day?
A
1.5-2 litres
2
Q
What releases serum creatinine?
A
Muscle
3
Q
eGFR of 40 would be what kidney function?
A
40%
4
Q
What is pumped into and out in Na/K pump?
A
3Na+ out
2K+ in
5
Q
How much glomerular filtrate is recovered in the proximal convoluted tubule?
A
70%
6
Q
What 4 things are taken up in the ascending limb of Henle?
A
Na+, K+, 2Cl-, H2O
7
Q
Which duct is the site of reabsorption of Na+ in exchange for K+?
A
Cortical collecting duct
8
Q
Does ADH increase or decrease water reabsorption in the medullary collecting duct?
A
Increase
