Ice can be reapplied often during the first ________ hours after an acute injury, but there should be a break of at least ________ minutes between applications in order to prevent tissue damage from the ice

A group of tissues functioning together is called a(n):

a. organ system. c. organ. b. tissue group. d. multifunction tissue.

In hazmat incidents, the LEAST common route of exposure is:

a. respiratory inhalation. c. gastrointestinal ingestion. b. topical absorption. d. parenteral injection.