All Bacteria and Viruses Are

Q15: Cells that produce antibodies and provide future

Q16: When Europeans first came to North America,

Q17: What are antibodies?<br>A) Viruses<br>B) Proteins produced by

Q18: Why are new flu shots necessary every

Q19: Interferon<br>A) causes inflammation.<br>B) helps cells resist viral

Q21: Which of the following is NOT part

Q22: In the body, infections are often associated

Q23: Foreign proteins that bind to an antibody

Q24: How does histamine contribute to the inflammatory

Q25: _are substances that induce fever.<br>A) MHC proteins<br>B)