The first antigen to be produced after an infection is
A) immunoglobulin E.
B) immunoglobulin D.
C) immunoglobulin M.
D) immunoglobulin A.
Correct Answer:
Verified
Q29: The fluid that circulates through the lymph
Q30: Allergies are often caused by opportunistic infections.
Q31: Suppressor cells suppress other immune cells and
Q32: The organ of the lymph system that
Q33: A disease-causing agent is a(n)
A)pathogen.
B)macrophage.
C)antibody.
D)antitoxin.
Q35: A type of opportunistic infection caused by
Q36: Genetic characteristics provide
A)acquired active immunity.
B)natural immunity.
C)acquired passive
Q37: Substances that fight disease in the lymph
Q39: AIDS patients are often subject to opportunistic
Q46: Lymph contains red blood cells.
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