Chapter 1 Introduction to Chemical Hazards

On the jobsite, UBC members can be exposed to a chemical that they are not using.

• True

• False

Which of the following are factors that determine the toxic effects of a chemical?

• a. time of day the chemical was ingested, route of exposure, and level of toxicity

• b. environment, level of toxicity, route of entry, and health of the individual

• c. level of toxicity, form and quantity of the chemical, and type of exposure

• level of toxicity, chemical form, type of exposure, quantity of the chemical, and time of day the chemical was ingested

Which of the following are common forms of a chemical?

• solid, liquid, gas, vapor, mist, and fume

• vapor, fog, liquid, solid, fume, and gas

• solid, fog, gas, vapor, mist, and fiber

• liquid, vapor, solid, air, mist, and fiber

The combination of two different chemicals may cause an unintended hazardous reaction.

• True

• False

Which of the following are routes of entry of chemicals into the human body?

• absorption, injection, ingestion, and inception

• injection, adsorption, exhalation, and ingestion

• ingestion, absorption, inhalation, and induction

• ingestion, injection, absorption, and inhalation

_____________________ health effects are changes in health that develop over months or years and are often irreversible.

• probiotic

• chronic

• acute

• obtuse

With _____________________ exposure to toxic chemicals, the contact occurs over a relatively short period of time.

• acute

• chronic

• more

• less