kidneys Flashcards
(9 cards)
1
Q
what does the kidney do
A
maintain water and ion concentration
2
Q
kidney transplant
A
- cure for kidney failure
- cheaper and more long term than dialysis
- long waiting list
3
Q
kidney dialysis
A
surrounds partially permeable membrane with dialysis fluid
same concentration of ions and water as blood so nothing is lost
3x a week for 3-4 hours
4
Q
what is in urine
A
urea
ions
water
5
Q
urea
A
deamination
happens in the liver converts excess amino acids into fats and carbohydrates
ammonia is the waste product which is converted into urea then goes to the kidney
6
Q
where is ADH produced
A
pituitary gland
7
Q
what does ADH do
A
control water concentration of urine
8
Q
what does ADH do if water concentration is too low
A
more ADH is released so more water is absorbed
9
Q
what does ADH do if water concentration is too high
A
less ADH is released so less water is absorbed
