BIO669 EXAM 3 COMPREHENSIVE TEST
PAPER 2026 COMPLETE QUESTIONS AND
ANSWERS GRADED A+
⩥ water makes up ____% in women. Answer: 50%
⩥ made up of 2/3 (40%) of water. Answer: intracellular
⩥ made up of 1/3 (20%) of water. Answer: extracellular
⩥ what two things make up extracellular fluid?. Answer: Intravascular
and interstitial
⩥ what % of intravascular is in the extracellular?. Answer: 25%
⩥ what % of interstitial is in the extracellular?. Answer: 75%
⩥ who has more water, men or women?. Answer: men
⩥ who has more water, elderly or pediatric?. Answer: pediatric
,⩥ why does total body water decrease as we age?. Answer: decreased
free fat and muscle mass
renal decline
diminished thirst perception
⩥ Starling forces. Answer: forces affecting movement of fluid between
cells and spaces
⩥ net filtration. Answer: forces favoring filtration minus forces opposing
filtration
⩥ Osmolarity. Answer: concentration of osmotically active particles in a
solution
⩥ isosmotic. Answer: solutions with the same concentrations of solute
particles (osmolarity)
⩥ hyposomotic. Answer: solution with lower osmotic pressure. lower
outside
⩥ hyperosmotic. Answer: solution with higher osmolarity. higher inside.
⩥ isotonic. Answer: two solutions with the same osmotic pressure
, ⩥ Hypotonic. Answer: when comparing two solutions, the solution with
the lesser concentration of solutes within the cell
⩥ Hypertonic. Answer: when comparing two solutions, the solution with
the greater concentration of solutes within the cell
⩥ Forces favoring filtration. Answer: Capillary hydrostatic pressure
(blood pressure) and interstitial oncotic pressure (water-pulling)
⩥ Forces favoring reabsorption. Answer: Plasma (capillary) oncotic
pressure (water-pulling)
Interstitial hydrostatic pressure
⩥ edema. Answer: accumulation of fluid within the interstitial spaces
⩥ causes of edema. Answer: increased capillary hydrostatic pressure
(increased BP),
decrease of plasma oncotic pressure,
obstruction of lymphatic circulation,
increased capillary permeability
⩥ What is ascites?. Answer: accumulation of fluid in the peritoneal
cavity
PAPER 2026 COMPLETE QUESTIONS AND
ANSWERS GRADED A+
⩥ water makes up ____% in women. Answer: 50%
⩥ made up of 2/3 (40%) of water. Answer: intracellular
⩥ made up of 1/3 (20%) of water. Answer: extracellular
⩥ what two things make up extracellular fluid?. Answer: Intravascular
and interstitial
⩥ what % of intravascular is in the extracellular?. Answer: 25%
⩥ what % of interstitial is in the extracellular?. Answer: 75%
⩥ who has more water, men or women?. Answer: men
⩥ who has more water, elderly or pediatric?. Answer: pediatric
,⩥ why does total body water decrease as we age?. Answer: decreased
free fat and muscle mass
renal decline
diminished thirst perception
⩥ Starling forces. Answer: forces affecting movement of fluid between
cells and spaces
⩥ net filtration. Answer: forces favoring filtration minus forces opposing
filtration
⩥ Osmolarity. Answer: concentration of osmotically active particles in a
solution
⩥ isosmotic. Answer: solutions with the same concentrations of solute
particles (osmolarity)
⩥ hyposomotic. Answer: solution with lower osmotic pressure. lower
outside
⩥ hyperosmotic. Answer: solution with higher osmolarity. higher inside.
⩥ isotonic. Answer: two solutions with the same osmotic pressure
, ⩥ Hypotonic. Answer: when comparing two solutions, the solution with
the lesser concentration of solutes within the cell
⩥ Hypertonic. Answer: when comparing two solutions, the solution with
the greater concentration of solutes within the cell
⩥ Forces favoring filtration. Answer: Capillary hydrostatic pressure
(blood pressure) and interstitial oncotic pressure (water-pulling)
⩥ Forces favoring reabsorption. Answer: Plasma (capillary) oncotic
pressure (water-pulling)
Interstitial hydrostatic pressure
⩥ edema. Answer: accumulation of fluid within the interstitial spaces
⩥ causes of edema. Answer: increased capillary hydrostatic pressure
(increased BP),
decrease of plasma oncotic pressure,
obstruction of lymphatic circulation,
increased capillary permeability
⩥ What is ascites?. Answer: accumulation of fluid in the peritoneal
cavity
