NREMT Advanced EMT Practice Test #4

Answer - C - Dextran 40 is a colloid solution has large sugar molecules and osmotic properties. Dextran 40 will draw water from the intracellular compartment and interstitial space into the intravascular space and remain there for an extended period of time. Colloids attract water into the intravascular space by increasing the colloid osmotic pressure that helps expand volume.