________ Contact dermatitis is an acute spreading bacterial infection below the surface of the skin characterized by redness (erythema), warmth, swelling, and pain

When the incident command system is activated at the scene, you should expect to:

A: receive instructions and then function independently. B: be assigned one responsibility for the duration of the incident. C: report back to your section officer in between assignments. D: be immediately directed to the established treatment area.

Bacteria that live harmlessly in our bodies and protect us by preventing other microbes from attaching to and colonizing the human body are an example of

A) mutualism. B) pathogenesis. C) parasitism. D) hybridization.