Chemicals Responsible for the Dilation and Increased Permeability of Blood

Q63: Macrophages act as<br>A)scavengers of worn-out cells.<br>B)healers of

Q64: One of the best ways to break

Q65: List the five general classes of pathogens

Q66: Which of the following is a defense

Q67: Generally,antibiotics are useful against<br>A)influenza.<br>B)colds.<br>C)bacteria.<br>D)viruses.

Q69: The fungus that causes yeast infections is

Q70: A microorganism that causes disease is a(n)<br>A)antigen.<br>B)toxin.<br>C)pathogen.<br>D)antibody.

Q71: Single-celled organisms that often cause recurrent diseases

Q72: Which of the following is NOT considered

Q73: A disease in which an individual's immune