Some microbes gain access to the normally axenic central nervous system by
A) damaging the blood-brain barrier.
B) axonal transport from infected peripheral neurons.
C) infecting macrophages which subsequently enter the CNS.
D) infecting lymph nodes in the cranium.
E) either damaging the blood-brain barrier or by axonal transport from infected peripheral neurons.
E
Bloom's Taxonomy: Knowledge
Section: Structure of the Nervous System
Learning Outcome: 20.3
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