What are pyrogens?
A) A set of 20 inactive proteins activated by the presence of a pathogen
B) Chemicals released by virally-infected cells that encourage the production of anti-viral proteins
C) Chemicals released by activated macrophages that raise the body temperature
D) Chemicals released by damaged tissue to cause blood vessels to widen
Correct Answer:
Verified
Q44: In cellular immunity,which cells secrete interleukins to
Q45: Which of the following statements describes the
Q46: How long does it take for humoral
Q47: Which cells are involved in cellular immunity?
A)
Q48: In humoral immunity,B cells clone themselves in
Q50: Cellular immunity is not effective against what?
A)
Q51: What are interferons?
A) Proteins activated by the
Q52: What is the complement system?
A) A set
Q53: Which cells are involved in humoral immunity?
A)
Q54: Humoral immunity is effective against what?
A) Cancer
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