A nursing student is asked by her instructor what hydrostatic pressure is. Which response by the student best defines hydrostatic pressure:
a. "It is the amount of pressure necessary to move particles and fluids in and out of vascular volume."
b. "It is the force water places against the vessel walls or capillary membranes."
c. "It is the measure of solute particles in the vascular system."
d. "It is the amount of pressure necessary to diffuse particles in the vascular volume."
ANS: B
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A Incorrect: This is the definition of osmotic pressure.
B Correct: This is the definition of hydrostatic pressure.
C Incorrect: This defines osmolality.
D Incorrect: This is a contrived definition.
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