Following the entrance of a drug into the vascular compartment, it will be carried to all organs and fluid compartments. This statement describes which of the following?

A rape kit commonly includes materials for collecting all of the following EXCEPT:

A) ?fibers B) ?hairs C) ?fingerprints D) ?saliva

What separates the blood from the CSF in the medulla?

A. a semipermeable membrane called the blood-brain barrier B. a membrane that is permeable to H+ and bicarbonate ions C. nothing-they are in direct contact D. a thick gelatinous membrane that is impermeable to CO2 molecules