Which of the following is associated with mucosa-associated lymph tissue that produces IgA?
A) breast milk
B) red blood cells
C) blood serum
D) small intestine
TC cells express a(n) ________ protein co-receptor.
A serum containing antigen-specific antibodies is called an
Which of the treatments listed below would be most effective for a patient with a genetic defect that causes severe combined immunodeficiency (SCID), a condition in which there is a severe deficiency in B and T lymphocytes?
A) intravenous antibiotics
B) bone marrow transplant
C) multiple immunizations
D) repeated doses of antisera