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...
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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