HAZWOPER 40 - Lesson 3 – Toxicology (Answered 100% Correctly)

HAZWOPER 40 - Lesson 3 – Toxicology (Answered 100% Correctly) HAZWOPER 40 - Lesson 3 – Toxicology (Answered 100% Correctly) Chemicals in combination can produce different biological responses than the responses seen when exposure is to one chemical alone. True False True ________ is the most common route of exposure leading to a toxic dose in the work environment Injection Ingestion Inhalation Eye/Skin contact LD 50 of 25 mg/m3 means that a concentration of 25 mg/m3 of a certain substance indicates: 50 people out of a group of 80 exposed to a concentration 25 mg/m3 of a substance were shown to have experienced a fatal dose. 50% of the concentration of a substance cause fatality in those be exposed. A concentration of 25 mg/m3 of a substance is shown to have been fatal to 50 percent of a test group of animals. LD 50 is a fictitious term and does not indicate anything.