Some microbes gain access to the normally axenic central nervous system by
A) axonal transport from infected peripheral neurons.
B) infecting lymph nodes in the cranium.
C) damaging the blood-brain barrier.
D) infecting macrophages which subsequently enter the CNS.
E) either damaging the blood-brain barrier or by axonal transport from infected peripheral neurons.

Question

Quizplus · Accepted Answer

Microbes can access the CNS by damaging the blood-brain barrier, allowing them to enter, or through axonal transport from infected peripheral neurons, which provides a direct route to the CNS.

Some Microbes Gain Access to the Normally Axenic Central Nervous