#1
Which of the following is a commonly used toxic substance in households?
Bleach
ExplanationCommon household toxicant often containing chlorine.
#2
Which of the following is NOT a common symptom of acute toxicity?
Chronic cough
ExplanationAcute toxicity doesn't typically manifest as a chronic cough.
#3
What does the acronym PPE stand for in the context of handling toxic substances?
Personal Protective Equipment
ExplanationProtective gear used to minimize exposure risks.
#4
Which of the following is NOT a characteristic of a toxic substance?
Low reactivity
ExplanationToxic substances often exhibit high reactivity.
#5
Which of the following is NOT a common symptom of toxic substance exposure?
Increased appetite
ExplanationIncreased appetite is not a common symptom of toxic exposure.
#6
What is the primary route of exposure to toxic substances in the workplace?
Inhalation
ExplanationMain method of exposure through breathing in toxic agents at the workplace.
#7
What does the term LD50 represent in toxicology?
The amount of substance that is lethal for 50% of the test animals
ExplanationLethal Dose 50 - the dosage causing fatality in half of the tested subjects.
#8
Which government agency in the United States regulates toxic substances?
EPA (Environmental Protection Agency)
ExplanationPrimary U.S. agency overseeing regulation and management of toxic substances.
#9
What is the purpose of Material Safety Data Sheets (MSDS)?
To provide information on the composition and potential hazards of substances
ExplanationDocuments offering details on substance properties and associated risks.
#10
Which of the following is a common route of exposure to toxic substances in the home?
Eye contact
ExplanationDirect contact with eyes is a common home exposure route to toxins.
#11
What is the first step in responding to a toxic substance exposure in the workplace?
Evacuate the area
ExplanationImmediate action to remove individuals from the hazardous area.
#12
What is the main objective of decontamination procedures after a toxic substance exposure?
To prevent spread of contamination
ExplanationMinimize contamination spread through proper decontamination measures.
#13
Which of the following factors does NOT affect the toxicity of a substance?
Color of the substance
ExplanationColor generally doesn't impact the toxicity of a substance.
#14
Which of the following is NOT a symptom of chemical exposure in the eyes?
Auditory hallucinations
ExplanationAuditory hallucinations are not a typical symptom of eye exposure to chemicals.
#15
What is the primary function of the liver in detoxifying the body?
Breaking down toxins into less harmful substances
ExplanationLiver processes toxins to less harmful forms for elimination.