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.

Question

Quizplus · Accepted Answer

Increased plasma osmolarity means higher solute concentration in the blood, which increases the osmotic pressure, pulling fluid into the capillaries from the interstitial space to balance the concentration.

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