What effect would an infusion of 200 mL of albumin have on a healthy client's plasma osmotic and hydrostatic pressures?
A. Increased osmotic pressure, increased hydrostatic pressure
B. Increased osmotic pressure, decreased hydrostatic pressure
C. Decreased osmotic pressure, increased hydrostatic pressure
D. Decreased osmotic pressure, increased hydrostatic pressure
A
The addition of albumin to the plasma would add a colloidal substance that does not move into the interstitial space. Thus, the osmotic pressure would immediately increase. Not only does the additional 200 mL add to the plasma hydrostatic pressure, but the increased osmotic pressure would draw water from the interstitial space, increasing the plasma volume and ultimately lead-ing to increased hydrostatic pressure in the plasma volume.
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