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Bio 669 Quiz 1 with Correct Verified Solutions

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Bio 669 Quiz 1 with Correct Verified Solutions water makes up ____% in men - ANS 60% water makes up ____% in women - ANS 50% made up of 2/3 (40%) of water - ANS intracellular made up of 1/3 (20%) of water - ANS extracellular what two things make up extracellular fluid? - AN...

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  • August 27, 2024
  • 12
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

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  • BIO 669
  • BIO 669

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Bio 669 quiz 1

water makes up ____% in men - ANS 60%

water makes up ____% in women - ANS 50%

made up of 2/3 (40%) of water - ANS intracellular




K
made up of 1/3 (20%) of water - ANS extracellular




C
what two things make up extracellular fluid? - ANS Intravascular and interstitial

what % of intravascular is in the extracellular? - ANS 25%




LO
what % of interstitial is in the extracellular? - ANS 75%

who has more water, men or women? - ANS men
YC
who has more water, elderly or pediatric? - ANS pediatric

why does total body water decrease as we age? - ANS decreased free fat and muscle mass
renal decline
diminished thirst perception
D

Starling forces - ANS forces affecting movement of fluid between cells and spaces

net filtration - ANS forces favoring filtration minus forces opposing filtration
U



Osmolarity - ANS concentration of osmotically active particles in a solution
ST




isosmotic - ANS solutions with the same concentrations of solute particles (osmolarity)

hyposomotic - ANS solution with lower osmotic pressure. lower outside

hyperosmotic - ANS solution with higher osmolarity. higher inside.

isotonic - ANS two solutions with the same osmotic pressure

Hypotonic - ANS when comparing two solutions, the solution with the lesser concentration of solutes
within the cell

, Hypertonic - ANS when comparing two solutions, the solution with the greater concentration of solutes
within the cell

Forces favoring filtration - ANS Capillary hydrostatic pressure (blood pressure) and interstitial oncotic
pressure (water-pulling)

Forces favoring reabsorption - ANS Plasma (capillary) oncotic pressure (water-pulling)
Interstitial hydrostatic pressure

edema - ANS accumulation of fluid within the interstitial spaces




K
causes of edema - ANS increased capillary hydrostatic pressure (increased BP),
decrease of plasma oncotic pressure,




C
obstruction of lymphatic circulation,
increased capillary permeability




LO
What is ascites? - ANS accumulation of fluid in the peritoneal cavity

example of increased capillary hydrostatic pressure - ANS venous obstruction, salt and water retention,
heart failure, renal failure
YC
what does increased capillary hydrostatic pressure cause? - ANS forces fluid into tissues

causes of decreased capillary (plasma) oncotic pressure - ANS decreased plasma albumin
-decreased synthesis of plasma proteins (cirrhosis, malnutrition)
-increased loss of plasma proteins (nephrotic syndrome)
increased Na+ and H2O retention (dilution of plasma proteins)
D

what does lymph obstruction cause? - ANS fluid movement into the tissues
decreased transport of capillary filtered protein ( thus increasing tissue oncotic pressure)
U


what are examples of increased capillary permeability? - ANS burns and inflammation
ST




what does increased capillary permeability do? - ANS proteins escape= loss of plasma proteins to
interstitial space (thus increasing tissue oncotic pressure and decreased capillary oncotic pressure)

papilledema - ANS swelling and inflammation of the optic nerve at the point of entrance into the eye
through the optic disk

What causes papilledema? - ANS often caused by increase in intracranial pressure

what is the primary extracellular fluid cation (positive charged ion)? - ANS Sodium

movement of sodium in cell does what to hydrogen? - ANS pushes hydrogen out.

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