HAZWOPER 40 Exam Guide -Regulation
Overview, Toxicology & Hazard Recognition
(New 2024/ 2025 Update) Questions and
Verified Answers| 100% Correct| A Grade
QUESTION
What is an example of a form that a toxic substance may take?
A solid or a liquid
Only a liquid
Only a solid
A Concentration
Answer:
A solid or a liquid
QUESTION
An example of a chronic response to chemical exposure is ________.
Nausea
Brain or muscle damage
Liver, kidney, or lung damage
All of the above
Answer:
Liver, kidney, or lung damage
QUESTION
Toxicology is the study of ________ and the degree to which the substance can be harmful to
living things.
Natural toxins
Chemical toxicity
Hazardous chemicals
,Toxins
Answer:
QUESTION
Chemicals that affect various tissues causing redness, rashes, or even imaging are called
________.
Mutagens
Irritants
Carcinogens
Asphyxiant
Answer:
QUESTION
Toxic dose is ________ for every living thing.
Different
The same
Consistent
Conclusive
Answer:
Different
QUESTION
Which method of toxic chemical entry is the least commonly found at the workplace?
Inhalation
Dermal contact
Ingestion
Injection
,Answer:
Injection
QUESTION
It is possible for the interaction of two toxic chemicals can produce less than the expected
results.
True
False
Answer:
True
QUESTION
Chemical for deprived the victim's body tissue of oxygen are called ________.
Mutagens
Irritants
Carcinogens
Asphyxiants
Answer:
Asphyxiants
QUESTION
________ refers to the specific amount of particular material that results in a death in sample
group of lab animals.
Constant number of deaths
Share of deaths
Lethal dose
Majority of deaths
Answer:
Lethal dose
, QUESTION
Workplace exposure concentration recommended by NIOSH for declaration by OSHA has an
acceptable amount is called a(n) ________.
PEL
TLV
REL
IDLH
Answer:
REL
QUESTION
Which of the following is a phase of the site characterization process?
Off-perimeter survey
On-site survey
Remote monitoring
Requested monitoring
Answer:
On-site survey
QUESTION
Polyurethane foam, when burnt, gives off:
Sulfuric acid
Cyanide gas
Ethane
Phosphine
Answer:
Cyanide gas
Overview, Toxicology & Hazard Recognition
(New 2024/ 2025 Update) Questions and
Verified Answers| 100% Correct| A Grade
QUESTION
What is an example of a form that a toxic substance may take?
A solid or a liquid
Only a liquid
Only a solid
A Concentration
Answer:
A solid or a liquid
QUESTION
An example of a chronic response to chemical exposure is ________.
Nausea
Brain or muscle damage
Liver, kidney, or lung damage
All of the above
Answer:
Liver, kidney, or lung damage
QUESTION
Toxicology is the study of ________ and the degree to which the substance can be harmful to
living things.
Natural toxins
Chemical toxicity
Hazardous chemicals
,Toxins
Answer:
QUESTION
Chemicals that affect various tissues causing redness, rashes, or even imaging are called
________.
Mutagens
Irritants
Carcinogens
Asphyxiant
Answer:
QUESTION
Toxic dose is ________ for every living thing.
Different
The same
Consistent
Conclusive
Answer:
Different
QUESTION
Which method of toxic chemical entry is the least commonly found at the workplace?
Inhalation
Dermal contact
Ingestion
Injection
,Answer:
Injection
QUESTION
It is possible for the interaction of two toxic chemicals can produce less than the expected
results.
True
False
Answer:
True
QUESTION
Chemical for deprived the victim's body tissue of oxygen are called ________.
Mutagens
Irritants
Carcinogens
Asphyxiants
Answer:
Asphyxiants
QUESTION
________ refers to the specific amount of particular material that results in a death in sample
group of lab animals.
Constant number of deaths
Share of deaths
Lethal dose
Majority of deaths
Answer:
Lethal dose
, QUESTION
Workplace exposure concentration recommended by NIOSH for declaration by OSHA has an
acceptable amount is called a(n) ________.
PEL
TLV
REL
IDLH
Answer:
REL
QUESTION
Which of the following is a phase of the site characterization process?
Off-perimeter survey
On-site survey
Remote monitoring
Requested monitoring
Answer:
On-site survey
QUESTION
Polyurethane foam, when burnt, gives off:
Sulfuric acid
Cyanide gas
Ethane
Phosphine
Answer:
Cyanide gas
