Exogenous antigens are:

A. Displayed on MHC II proteins
B. Displayed on MHC I proteins
C. Displayed on CD8 proteins
D. Displayed on CD4 proteins


Answer: A. Displayed on MHC II proteins

Anatomy & Physiology

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The first heart sound is the closing of the:

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A muscle located on the anterior surface of the thigh will ________ the knee, whereas a muscle on the posterior surface will ________ the knee

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Which cells are involved in humoral immunity?

A. Neutrophils B. Plasma cells C. Basophils D. Tcytotoxic cells

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