A patient is beginning to display signs and symptoms of an antibody-mediated humoral response. Which of the following findings would be most consistent with this observation?
a. Antigen-presenting cells (APCs)
b. T lymphocytes
c. CD4 cells and macrophages
d. Delayed-type hypersensitivity
A
An antibody-mediated humoral response would be manifested by the presence of anti-gen-presenting cells.
T lymphocytes, CD4 cells, and macrophages, as well as delayed-type hypersensitivity, are ma-nifestations of cell-mediated immunity.
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