Which of the following is not considered an antigen-presenting cell?
AMacrophages
BLangerhans cells
CThymocytes
DB lymphocytes
A 32 year old man presents with a 3-month history of weight loss, night sweats, a productive cough with blood-tinged sputum, anorexia, general malaise, and a low grade fever. A PPD skin test shows > 10 mm of induration. If the area of induration were biopsied, which of the following type of reactive cells would be found?
AEosinophil
BT lymphocyte
CB lymphocyte
DMast cell
IgE is secreted by which of the following cells?
AMast cell
BBasophils
CEosinophils
DPlasma cells
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