Chapter 11 Decontamination

Question 1

Which of the following terms is a hazardous material that physically remains on or in people or the environment, thereby creating a continuing risk of direct injury?
A) Contaminant
B) Contamination
C) Exposure
D) Degradation

Answer 1

A) Contaminant

Question 2

The process of transferring a hazardous material from its source to people, animals, the environment, or equipment, all of which may act as a carrier, best describes which of the following terms?
A) Contaminant
B) Contamination
C) Exposure
D) Degradation

Answer 2

B) Contamination

Question 3

Which term is best described as the process by which people, animals, the environment, and equipment are subjected to or come into contact with a hazardous material?
A) Contaminant
B) Contamination
C) Exposure
D) Degradation

Answer 3

C) Exposure

Question 4

Who is responsible for identifying the location of the decon corridor, assigning stations, and managing all decontamination procedures?
A) Operations chief
B) Decontamination officer
C) Safety officer
D) Hazmat branch director

Answer 4

B) Decontamination officer

Question 5

Which of the following is the process used to destroy the majority of recognized pathogenic microorganisms?
A) Sterilization
B) Decontamination
C) Disinfection
D) Degradation

Answer 5

C) Disinfection

Question 6

Which of the following is the process of destroying all microorganisms in or on an object?
A) Decontamination
B) Degradation
C) Disinfection
D) Sterilization

Answer 6

D) Sterilization

Question 7

What is a distinct area within the warm zone that functions as a protective buffer and bridge between the hot and cold zones?
A) Decontamination corridor
B) Safe area refuge
C) Entry corridor
D) Containment area

Answer 7

A) Decontamination corridor

Question 8

Which term describes something that is found on the outer surface of a material but has not been absorbed into the material?
A) Secondary contamination
B) Direct contamination
C) Permeation contamination
D) Surface contamination

Answer 8

D) Surface contamination

Question 9

Which of the following is viewed as being absorbed into a material at the molecular level?
A) Secondary contamination
B) Direct contamination
C) Permeation contamination
D) Surface contamination

Answer 9

C) Permeation contamination

Question 10

Which of the following factors that influence permeation is based on the idea that the longer a contaminant is exposed to the object, the greater the probability it will permeate?
A) Contact time
B) Concentration
C) Temperature
D) Physical state

Answer 10

A) Contact time

Question 11

Which of the following occurs when a person comes into direct physical contact with a contaminant or when a person comes into contact with any object that has the contaminant on it?
A) Secondary contamination
B) Direct contamination
C) Permeation contamination
D) Surface contamination

Answer 11

B) Direct contamination

Question 12

Which of the following occurs when a person who is already contaminated makes contact with a person or object that was not previously contaminated?
A) Secondary contamination
B) Direct contamination
C) Permeation contamination
D) Surface contamination

Answer 12

A) Secondary contamination

Question 13

Which of the following is NOT a method for assessing the effectiveness of decontamination?
A) Monitoring devices
B) Signs and symptoms
C) Visual observation
D) Wipe sampling

Answer 13

B) Signs and symptoms

Question 14

Which of the following is NOT one of the criteria used for evaluating decontamination effectiveness?
A) Personnel are not exposed to skin contact.
B) Contamination levels are reduced as personnel are decontaminated.
C) Contamination is contained to the hot zone.
D) Personnel exposed to concentrations above the TLV/TWA.

Answer 14

D) Personnel exposed to concentrations above the TLV/TWA.

Question 15

Decontamination can be carried out safely and smoothly if responders follow a practical and suitable document developed by the department. What is this document?
A) Standard operating procedure
B) Emergency response plan
C) Pre-fire plan
D) Checklist

Answer 15

A) Standard operating procedure

Question 16

Multistep decon operations can be broken down into two broad phases. Which is the initial phase of the decontamination process during which the amount of surface contaminant is significantly reduced?
A) Secondary
B) Formal
C) Gross
D) Specialized

Answer 16

C) Gross

Question 17

Emergency decon and mass decon are typically known as this type of decontamination
operation?
A) Formal
B) Gross
C) Secondary
D) Specialized

Answer 17

B) Gross

Question 18

Which of the following is the decontamination process designed to physically or chemically remove surface contaminants to safe and acceptable levels?
A) Secondary
B) Formal
C) Gross
D) Specialized

Answer 18

A) Secondary

Question 19

All of he following are considered to be sources for determining the appropriate decon methods and related information EXCEPT:
A) Dispatch information.
B) Product specialists representing the chemical manufacturer.
C) Safety data sheets (SDS).
D) Technical information specialists with knowledge about the chemical.

Answer 19

A) Dispatch information.

Question 20

Which of the following information source includes CHEMTREC, CANUTEC, SETIQ, Centers for Disease Control, and poison control centers?
A) Technical information centers
B) Product specialists representing the chemical manufacturer
C) Safety data sheets (SDS)
D) Technical information specialists with knowledge about the chemical

Answer 20

A) Technical information centers

Question 21

Which of the following field decontamination methods is the physical process of immediately reducing contamination of individuals in potentially life-threatening situations with or without the formal establishment of a decontamination corridor?
A) Emergency
B) Technical
C) Mass
D) Specialized

Answer 21

A) Emergency

Question 22

Which of the following field decontamination methods is the planned and systematic process of reducing contamination to a level of ALARA and are normally conducted in support of emergency responders entering the hazardous site?
A) Emergency
B) Technical
C) Mass
D) Specialized

Answer 22

B) Technical

Question 23

This field decontamination method is established when large numbers of people need to be decontaminated at the scene of a hazmat emergency.
A) Emergency
B) Technical
C) Mass
D) Specialized

Answer 23

C) Mass

Question 24

Which of the following types of decontamination would use an apparatus set up with nozzles on side discharges, creating a shower and directing personnel through a funnel for decon?
A) Emergency
B) Technical
C) Mass
D) Specialized

Answer 24

C) Mass

Question 25

Which of the following factors has the ability to remove contaminants at the source to prevent employee chemical exposure?
A) Decon rooms
B) Ventilation systems
C) Trained personnel
D) PPE

Answer 25

B) Ventilation systems

Question 26

Which of the following fixed decon systems maintains a negative air pressure within the hazard area and a positive pressure outside of the hazard area?
A) Positive and negative atmosphere
B) Safety shower
C) Emergency eyewash
D) Fixed air supply

Answer 26

A) Positive and negative atmosphere

Question 27

What should be held for those involved in decontamination and clean-up as soon as practical to inform them about any delayed health effects?
A) Medical screening
B) Debriefing
C) Critique
D) Safety briefing

Answer 27

B) Debriefing

Question 28

Which of the following special precautions is NOT taken until materials can be removed from the hazard site?
A) Take appropriate security measures.
B) Post appropriate warning signs.
C) Containers are properly sealed.
D) Public is allowed free access.

Answer 28

D) Public is allowed free access.