Flashcards in control of water and electrolytes Deck (14)
water is gained by which 2 methods?
- formed in metabolism
water is lost by which 2 methods?
how much water does the average person gain and lose per day?
which hormone is the main control for water?
how are sodium levels controlled?
- renin-angiotensin-aldosterone system
- atrial natriuretic hormone
what does the renin-angiotensin-aldosterone system do?
- promote reabsorption of sodium and water in distal convoluted tubule
what is angiotensin?
what does atrial natriuretic hormone do?
increase excretion of sodium and water
which hormone has the opposite effect of atrial natriuretic hormone?
which hormone regulates potassium levels?
hypo secretion of ADH causes what condition?
hyper secretion of ADH results in what?
what effect does increased ECF potassium have on nerve function?
depolarisation causing APs and prolonged refractory period