African Sleeping Sickness Is Fatal If Not Treated Because the Parasite

question 10

Multiple Choice

African sleeping sickness is fatal if not treated because the parasite

• A) evades destruction by the immune system by changing surface antigens.
• B) produces a toxin which binds irreversibly to neurons.
• C) is an intracellular parasite in RBC's, where they are not detected by the immune system.
• D) reproduces so fast there is no time for an immune response to develop.
• E) produces a non-immunogenic toxin the immune system cannot neutralize.

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