5. Organic solvents are potential hazards because a. most organic solvents absorb directly through the skin b. most organic liquids burn c. most organic solvents are volatile and flammable d. all of the above
6. The four routes by which toxic chemicals can enter the body include : a. inhalation, indigestion, transmission of bodily fluids, and injection b. inhalation, ingestion, absorption, injection c. inhalation, instigation, indigestion, injection
8. Major factors in toxicity include: a. the route of exposure b. personal factors such as age and gender c. amount of dose d. all of the above