Urine formation Flashcards
1
Q
What is urine formation also known as?
A
Diuresis
2
Q
Why is blood pressure in glomerulus unusualy high?
A
Because the efferent arteriole is smaller than the afferent arterole (Bottleneck effect)
3
Q
What are drugs that increase urine formation called?
A
Diaretics
4
Q
GFR (Glomerular filtration rate)
A
volume of fluid filterd from glomerulus to bowmans capsule per unit of time
5
Q
3 steps of urine formation
A
1.Filtration
2.Reabsorbtion
3.Secretion
6
Q
The PCT does…
A
-Selective reabsobtion
*most reabsorbtion happens here
-
7
Q
both _____ and _____ happen in the PCT
A
Secretion and reabsorbtion
8
Q
by the time the fluid leaves the PCT and enters the loop of Henle we have already saved _____ of the things we want to save
A
85%
9
Q
Does urea and additional ultra filtrate remain In the urine in the PCT?
A
yes!
