Disease-causing agents are known as __________.
A) macrophages
B) lymphocytes
C) antigens
D) pathogens
Correct Answer:
Verified
Q15: A substance which produces an allergic reaction
Q16: This is an x-ray of the lymphatic
Q17: This is cancer of the lymph system
Q18: The lymph system functions to _ and
Q19: Lymph cells, or lymphocytes, produce specialized proteins
Q21: Vaccination produces what type of immunity?
A) Natural
B)
Q22: The two types of acquired active immunity
Q23: Which of these are proteins produced by
Q24: The helper cell
A) stimulates immune response.
B) prevent
Q25: Which of the following are true of
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