ADH Flashcards
1
Q
renal artery
A
tube which supplies kidneys with oxygenated blood
2
Q
collecting duct
A
end part of nephron where urine collects
3
Q
ureter
A
tube which carries urine from kidney to bladder
4
Q
what is adh
A
hormone
5
Q
what are the key functions of the urinary system
A
- filter waste products from blood and expel them from the body as urine
- control water levels of body ( osmoregulation)
6
Q
renal vein
A
delivers deoxygenated blood from the kidney to the vena cava
7
Q
ADH
A
anti-diuretic hormone
8
Q
what does ADH make the collecting duct become
A
more permeable so more water is reabsorbed back into the fluid
9
Q
what does the brain tell the _____to release accroding to ___
A
- pituitary gland
- ADH
- according to how much is needed in the blood
10
Q
any change in water levels in the blood are detected by the ______ which then sends a signal to the ____
A
hypothalamus
pituitary gland
11
Q
what produces ADH
A
pituitary gland
12
Q
if water content is too high …
A
- The pituitary gland releases less ADH which leads to less water being reabsorbed in the collecting ducts of the kidney by osmosis (the collecting ducts become less permeable to water)
- As a result, the kidneys produce a large volume of dilute urine
13
Q
if water content is too low
A
- The pituitary gland releases more ADH which leads to more water being reabsorbed in the collecting ducts of the kidney by osmosis (the collecting ducts become more permeable to water)
- As a result, the kidneys produce a small volume of concentrated urine
