DOD HAZMAT OPERATIONS FINAL COURSE
REVIEW LATEST EXAM QUESTIONS WITH
VERIFIED CORRECT ANSWERS UPDATED
STUDY GUIDE 2026/2027
Match each type of hazard that can cause harm with the correct
information - ✔✔✔ANSWER>>>>Etiologic - harm resulting from
exposure to infectious substances
Toxic - harm resulting from exposure to poison
Mechanical - Harm resulting from contact with scattering fragments
Thermal - Harm resulting from exposure to hot and cold temperatures.
The UN / DOT hazard class for smallpox is: - ✔✔✔ANSWER>>>>A. Class 6.2.
Match each target organ effect with its effect on humans - CORRECT
ANSWER>>>>Nephrotoxin- Kidney Damage
Neurotoxin - Nervous system
Hepatotoxin - Liver damage
Identify the TWO signs and symptoms of exposure to a substance whose
agents decreased hemoglobin in the blood function -
✔✔✔ANSWER>>>>C. loss of consciousness D. Cyanosis
Page 1 of 20
,identify the THREE types of harm that can result from exposure to
toxic/poisonous materials during a rescue operation - ✔✔✔ANSWER>>>>A.
Etiological harm
C. Chemical injury
D. Thermal injury
Match each aspect of a response objective with the correct example - CORRECT
ANSWER>>>>Goals for stopping the event - Removing exposures from the
scene
Stage of the incident - Whether containers have already breached
Keeping future events from occurring - Focus on Prevention
During an evacuation, Operations-Level responders should send evacuees -
CORRECT ANSWER>>>>C . Upwind of the threatened area by a specific route.
Upon arrival at an incident scene, you have been tasked with selecting the
appropriate
CPC. It has been determined that the product leaking is - ✔✔✔ANSWER>>>>C
- CPC Level 3
This CPC suit is a chemical splash protective but not chemical vapor protective.
This suit would be designed by EPA as: - ✔✔✔ANSWER>>>>B. Level B.
CPC Suits can be difficult to work in and can increase responder stress. Identify
FOUR issues that are standard sources of additional stress associated with the use
of CPC. - ✔✔✔ANSWER>>>>A. Reduced visibility
D. Reduced mobility
E. Heat stress F. Added weight
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, match Each component on the air line respirator with its function - CORRECT
ANSWER>>>>Bypasses regulator and provides air directly to the facepiece - 3
Delivers breathable air to the regulator - 4
Protects the wearer's face - 2
Contains a samll reserve of compressed breathing air - 1
A sorbent is used with an air purifying respirator to: - ✔✔✔ANSWER>>>>A.
removes chemical contaminants from inhaled air
match each type of respiratory protection device with the information that should
be considered when selecting respiratory protections at a HazMat incident: -
CORRECT ANSWER>>>>Self-Contained breathing apparatus - Provides highest
level of respiratory protection
Air line respirator - Must have a source of emergency air if used in an IDLH
atmosphere Air Purifying respirator - should only be used when the hazard is
known and quantified as below PEL
Personnel or equipment can become contaminated by all the following EXCEPT:
- ✔✔✔ANSWER>>>>A. when exiting the decontamination corridor
The role of an Operations-level responder includes all of the following EXCEPT:
-
✔✔✔ANSWER>>>>D. Commanding the scene
At a HazMat incident, the maximum number of incident command posts should
be -
✔✔✔ANSWER>>>>B. One
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REVIEW LATEST EXAM QUESTIONS WITH
VERIFIED CORRECT ANSWERS UPDATED
STUDY GUIDE 2026/2027
Match each type of hazard that can cause harm with the correct
information - ✔✔✔ANSWER>>>>Etiologic - harm resulting from
exposure to infectious substances
Toxic - harm resulting from exposure to poison
Mechanical - Harm resulting from contact with scattering fragments
Thermal - Harm resulting from exposure to hot and cold temperatures.
The UN / DOT hazard class for smallpox is: - ✔✔✔ANSWER>>>>A. Class 6.2.
Match each target organ effect with its effect on humans - CORRECT
ANSWER>>>>Nephrotoxin- Kidney Damage
Neurotoxin - Nervous system
Hepatotoxin - Liver damage
Identify the TWO signs and symptoms of exposure to a substance whose
agents decreased hemoglobin in the blood function -
✔✔✔ANSWER>>>>C. loss of consciousness D. Cyanosis
Page 1 of 20
,identify the THREE types of harm that can result from exposure to
toxic/poisonous materials during a rescue operation - ✔✔✔ANSWER>>>>A.
Etiological harm
C. Chemical injury
D. Thermal injury
Match each aspect of a response objective with the correct example - CORRECT
ANSWER>>>>Goals for stopping the event - Removing exposures from the
scene
Stage of the incident - Whether containers have already breached
Keeping future events from occurring - Focus on Prevention
During an evacuation, Operations-Level responders should send evacuees -
CORRECT ANSWER>>>>C . Upwind of the threatened area by a specific route.
Upon arrival at an incident scene, you have been tasked with selecting the
appropriate
CPC. It has been determined that the product leaking is - ✔✔✔ANSWER>>>>C
- CPC Level 3
This CPC suit is a chemical splash protective but not chemical vapor protective.
This suit would be designed by EPA as: - ✔✔✔ANSWER>>>>B. Level B.
CPC Suits can be difficult to work in and can increase responder stress. Identify
FOUR issues that are standard sources of additional stress associated with the use
of CPC. - ✔✔✔ANSWER>>>>A. Reduced visibility
D. Reduced mobility
E. Heat stress F. Added weight
Page 2 of 20
, match Each component on the air line respirator with its function - CORRECT
ANSWER>>>>Bypasses regulator and provides air directly to the facepiece - 3
Delivers breathable air to the regulator - 4
Protects the wearer's face - 2
Contains a samll reserve of compressed breathing air - 1
A sorbent is used with an air purifying respirator to: - ✔✔✔ANSWER>>>>A.
removes chemical contaminants from inhaled air
match each type of respiratory protection device with the information that should
be considered when selecting respiratory protections at a HazMat incident: -
CORRECT ANSWER>>>>Self-Contained breathing apparatus - Provides highest
level of respiratory protection
Air line respirator - Must have a source of emergency air if used in an IDLH
atmosphere Air Purifying respirator - should only be used when the hazard is
known and quantified as below PEL
Personnel or equipment can become contaminated by all the following EXCEPT:
- ✔✔✔ANSWER>>>>A. when exiting the decontamination corridor
The role of an Operations-level responder includes all of the following EXCEPT:
-
✔✔✔ANSWER>>>>D. Commanding the scene
At a HazMat incident, the maximum number of incident command posts should
be -
✔✔✔ANSWER>>>>B. One
Page 3 of 20
