Question

_______ is the main function of cerebrospinal fluid.

A. Transmitting nerve impulses
B. Producing blood cells
C. Making a layer of protection
D. Fighting infections

Answer 1

CSF protects brain and spinal cord from trauma. CSF supplies nutrients to nervous system tissue. CSF removes waste products from cerebral metabolism.

So the answer is C

Answer 2

Cerebrospinal fluid is the fluid that bathes the surfaces of the central nervous system.

The answer is A.