UW-based Renal Qs Flashcards
1
Q
Primary sites for regulation of K+ concentration in urine?
A
late distal and cortical collecting tubules
2
Q
increased K+ exception may be caused by 4 things
A
- high extracellular K+ levels
- increased aldosterone
- alkalosis
- increased fluid flow
3
Q
what part of the nephron responses to ADH?
A
medullary segment of the collecting duct
4
Q
what specific solute absorption is increased in response to ADH and is important for generating a high medullary concentration gradient?
A
urea
5
Q
what part of the nephron is impermeable to urea?
A
DCT
6
Q
aspirin intoxication causes
A
an acute respiratory alkalosis first followed by a superimposed metabolic acidosis
7
Q
where is the most dilute fluid in the nephron?
A
DCT