NKU BIO 669 TEST 3 ACTUAL TEST PAPER 2026 FULL QUESTIONS AND CORRECT ANSWERS GRADED A+

NKU BIO 669 TEST 3 ACTUAL TEST PAPER
2026 FULL QUESTIONS AND CORRECT
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


●● example of increased capillary hydrostatic pressure.
Answer: venous obstruction, salt and water retention, heart failure, renal
failure


●● what does increased capillary hydrostatic pressure cause?.