sodium and water balance Flashcards
1
Q
what kind of drug is ADH
A
anti diruetic hormone
2
Q
what does increased ADH indicate?
A
a small volume of concentrated urine
3
Q
what does decreased ADH indicate?
A
a large volume of dilute urine
4
Q
what usually stimulates ADH release?
A
Osmotic (in health)
Non-osmotic (in disease)
5
Q
what are some non-osmotic stimuli for SIADH?
A
hypovolaemia
pain
nausea
6
Q
which steroids have mineralocorticoid activity?
A
aldosterone
cortisol
7
Q
what is the definition of mineralocorticoid activity?
A
Na absorption in renal tubules in exchange for K/H
8
Q
what does too much mineralocorticoid activity lead to?
A
sodium gain
9
Q
what does too little mineralocorticoid activity lead to?
A
sodium loss
