The plasma oncotic pressure does which of the following?
a. Pulls fluid back into the vascular space at the venous side of the capillary
b. Pushes fluid out of the vascular space at the venous side of the capillary
c. Pushes fluid out of the vascular space at the arterial side of the capillary
d. All of the above
Answer: a. Pulls fluid back into the vascular space at the venous side of the capillary
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