Which of the following statements best conveys an aspect of the role of cerebrospinal fluid (CSF)?
A) It provides physical protection for the brain and ensures that leukocytes and erythrocytes are evenly distributed in the CNS.
B) CSF cushions the brain and provides a near-water medium for diffusion of nutrients.
C) CSF distributes plasma proteins throughout the superficial gray matter of the CNS.
D) It ensures that the high metabolic and oxygenation needs of the brain are met, as well as absorbing physical shocks.

Question

Quizplus · Accepted Answer

In addition to providing a cushion for the CNS, CSF provides a medium that is 99% water in which nutrients, electrolytes, and wastes can be diffused. It is not centrally involved in the distribution of oxygen, plasma proteins, or blood cells.

Which of the Following Statements Best Conveys an Aspect of the Role