lecture 33 Flashcards
1
Q
what drives water reabsorption in the PCT
A
the reabsorption of solutes, mainly sodium reabsorption
2
Q
what does HOMG stand for
A
Hyper-osmotic Medullary Gradient
3
Q
what does HOMG mean
A
the different permeabilities of the descending and ascending parts of the juxtamedullary nephrons to generate a HOMG
4
Q
what regulates our body osmolarity
A
ADH
5
Q
what regulates our ECF volume
A
aldosterone and ANP
6
Q
loss or gain of isosmotic fluid affects
A
only the volume of the ECF
7
Q
loss of isosmotic fluid is detected by what and what does this do
A
it is detected by the baroreceptors of the kidney and it activates the RAAS
8
Q
what detects gain of isosmotic fluid
A
the cardiac muscle cells