Multiple Choice
On occasion the immune response in inappropriate;for example,an allergy occurs when the immune system
A) initiates a response to a substance that is not actually pathogenic.
B) misinterprets normal body cells for pathogenic ones and mounts an immune response against those tissues.
C) ignores a pathogen,like a parasitic worm,and permits it to reside and reproduce within the body.
D) suffers a genetic defect that disables or accentuates certain elements,resulting in either too little or too much response.
Correct Answer:

Verified
Correct Answer:
Verified
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