When will Class II cells present a foreign antigen? (Choose all that apply.) A. When they are...

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Medical Sciences

When will Class II cells present a foreign antigen?(Choose all that apply.)

A. When they are infected by a pathogen.

B. When they have phagocytosed (engulfed) a pathogen.

C. When they are healthy.

D. Only when self-antigens are present.

Answer & Explanation Solved by verified expert
3.9 Ratings (501 Votes)
Option b and c is correct answer explanations option c is correct becaue antigen presenting cells APCs including Dendritic cells DCs macrophages    See Answer
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