The Nervous System Typically

Question

The nervous system typically
A)is sterile.
B)has a small number of normal flora.
C)contains Gram-positive bacteria.
D)contains a small number of viruses.

Accepted Answer

The nervous system is typically sterile, meaning that it does not have any microorganisms present. This is because the nervous system is protected by the blood-brain barrier which ensures that harmful substances and microorganisms do not enter the brain or spinal cord.