NUR 280 FLUID AND ELECTROLYTE
IMBALANCES EXAM 2 QUESTIONS AND
ANSWERS. VERIFIED 2026.
Human body is about - ANS 60% water
intracellular fluid is about - ANS 40% of body weight
extracellular fluid is about - ANS 20% of body weight
interstitial fluid (ISF) - ANS filtrate of blood located between cells or between cell and
capillaries, normally lack protein
fluid is a - ANS solution
liquid is a - ANS solvent
particles are - ANS solutes
@COPYRIGHT 2026/2027 ALL RIGHTS RESERVED
1
, hydrostatic pressure - ANS pushing force of water, pushes water into cell and controlled by
water in blood stream
osmotic pressure - ANS pulling force of solutes in blood stream, pulls fluid from cells into
blood stream, electrolytes and sodium in blood vessels draw fluid to it
oncotic pressure - ANS Pulling force of albumin
albumin - ANS biggest solvent, exerts a lot of force and pulls a lot of fluid to itself
how does the body try to maintain fluid - ANS osmoreceptors, ADH, thirst, Renin-angiotensin
Aldosterone System (RAAS), natriuretic peptides
osmoreceptors - ANS in hypothalamus, counts solutes, triggers thirst response
thirst is triggered when - ANS high particles and low fluid in blood stream
natriuretic peptides - ANS released in response to fluid overload, makes you pee, lives in atria
and ventricles of heart, organs stretch when too much fluid in them
when fluid is low - ANS organs don't get the same amount of blood as normal, they want 20%
of blood
what happens if the organs don't get enough blood - ANS they kick off RAAS
@COPYRIGHT 2026/2027 ALL RIGHTS RESERVED
2
IMBALANCES EXAM 2 QUESTIONS AND
ANSWERS. VERIFIED 2026.
Human body is about - ANS 60% water
intracellular fluid is about - ANS 40% of body weight
extracellular fluid is about - ANS 20% of body weight
interstitial fluid (ISF) - ANS filtrate of blood located between cells or between cell and
capillaries, normally lack protein
fluid is a - ANS solution
liquid is a - ANS solvent
particles are - ANS solutes
@COPYRIGHT 2026/2027 ALL RIGHTS RESERVED
1
, hydrostatic pressure - ANS pushing force of water, pushes water into cell and controlled by
water in blood stream
osmotic pressure - ANS pulling force of solutes in blood stream, pulls fluid from cells into
blood stream, electrolytes and sodium in blood vessels draw fluid to it
oncotic pressure - ANS Pulling force of albumin
albumin - ANS biggest solvent, exerts a lot of force and pulls a lot of fluid to itself
how does the body try to maintain fluid - ANS osmoreceptors, ADH, thirst, Renin-angiotensin
Aldosterone System (RAAS), natriuretic peptides
osmoreceptors - ANS in hypothalamus, counts solutes, triggers thirst response
thirst is triggered when - ANS high particles and low fluid in blood stream
natriuretic peptides - ANS released in response to fluid overload, makes you pee, lives in atria
and ventricles of heart, organs stretch when too much fluid in them
when fluid is low - ANS organs don't get the same amount of blood as normal, they want 20%
of blood
what happens if the organs don't get enough blood - ANS they kick off RAAS
@COPYRIGHT 2026/2027 ALL RIGHTS RESERVED
2
