In the Body, Infections Are Often Associated With__________ , a Whitish

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

Q20: All bacteria and viruses are<br>A) pathogens.<br>B) antibodies.<br>C)

Q21: Which of the following is NOT part

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)

Q26: Antibodies are<br>A) protein molecules.<br>B) amino acid molecules.<br>C)

Q27: Briefly explain why children born with severe