IDRL 308 Chapter 5 Questions and Correct Answers/ Latest Update / Already Graded

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IDRL 308 Chapter 5 Questions and Correct
Answers/ Latest Update / Already Graded
Hydraulic fracturing

Ans: Process injecting fluid under high pressure to extract
petroleum


Fracking chemicals

Ans: Mixture of water, sand, and various harmful substances


Chemical hazards

Ans: Substances causing harm to human tissue or physiological
functions


Toxicity

Ans: Ability of a substance to cause injury


Local toxicity

Ans: Reaction at the point of contact with a harmful substance


Systemic toxicity

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Ans: Harmful reaction in a body area other than the point of
contact


Acute toxicity

Ans: Immediate harm from exposure to a chemical


Chronic toxicity

Ans: Long-term harm caused by exposure to a substance


Latency period

Ans: Time between exposure to a chemical hazard and
symptom development


Oral LD50 (rat)

Ans: Lethal dose of a substance for rats via ingestion


Contact dermatitis

Ans: Skin inflammation from exposure to irritants or allergens


Rubber accelerators

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