Some Microbes Gain Access to the Normally Axenic Central Nervous

question 20

Multiple Choice

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.

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