If Plasma Osmolarity Increases,as in Dehydration or the Infusion of Mannitol

Multiple Choice

If plasma osmolarity increases,as in dehydration or the infusion of mannitol (a sugar solution) ,

A) filtration rate increases.
B) fluid is forced out of the capillary into the interstitium.
C) fluid is "pulled" into the capillary from the interstitium.
D) plasma proteins diffuse out of the capillary into the interstitium.