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21) The formula dose multiplied by time represents which of the following?
A) Lethal dose
B) Concentration
C) Exposure
D) Critical level
Objective: 39.6
22) Which of the following types of radiation emits the most powerful rays?
A) Alpha
B) Beta
C) Delta
D) Gamma
Objective: 39.6
23) Terrorist incidents typically involve all of the following agents except:
A) explosives.
B) biological agents.
C) allergens.
D) nuclear agents.
Objective: 39.7
9
24) Someone who has more hair than average on his body is at a higher risk than someone with
less hair to be exposed to a toxin by which of the following routes?
A) Ingestion
B) Injection
C) Inhalation
D) Absorption
Objective: 39.7
25) Anthrax can infect an individual through which of the following routes of exposure?
A) Inhalation
B) Skin
C) Ingestion
D) All of the above
Objective: 39.8
10
26) Which of the following features increases the appeal of an infectious agent for use in terrorist
attacks?
A) Low virulence
B) Instability
C) High infectivity
D) Low potency
Objective: 39.8
27) Which of the following animals is the direct source of exposure of the bacterium that causes
the plague to humans?
A) Fleas
B) Squirrels
C) Rats
D) Bees
Objective: 39.8
11
28) The best way for a terrorist to weaponize and disseminate a chemical nerve agent exposing a
large number of people would be to:
A) put it in a paper bag in a crowded mall and puncture the bag with a stick.
B) throw a paper bag loaded with nerve agent onto a busy subway train.
C) steal a truck that sprays for mosquitos and aerosolize the nerve agent into a crowded
subdivision.
D) throw a Molotov cocktail loaded with nerve agent into a windshield of a passenger bus.
Objective: 39.8
29) Which of the following chemical agents prohibits the use of oxygen in the cells?
A) Nerve agents
B) Blister agents
C) Cyanide
D) All of the above
Objective: 39.9
30) An outbreak of which of the following illnesses would be LEAST likely to occur naturally?
A) Anthrax
B) Venezuelan encephalitis
C) Smallpox
D) Botulism
Objective: 39.9
12
31) Which of the following does NOT have an impact on the behavior of a chemical in a mass-
casualty incident?
A) Physical state of the agent
B) Route of entry into the body
C) Whether it was an intentional or accidental exposure
D) Volatility of the agent
Objective: 39.9
32) Biological warfare is MOST effective when the agent can gain access through which of the
following routes?
A) Blood
B) Gastrointestinal tract
C) Respiratory tract
D) Skin
Objective: 39.9
33) Concerning the threat of nuclear devices used in terrorist attacks, which of the following is
MOST likely to be used in such an attack?
A) Military nuclear device
B) Improvised nuclear weapon
C) Radiological dispersal device
D) Sabotage of facilities for nuclear research
Objective: 39.9
13
34) Primary injuries from a blast include:
A) extremity fractures.
B) liver lacerations.
C) lung injuries.
D) impaled objects.
Objective: 39.10
35) Secondary injuries from a blast include:
A) extremity fractures.
B) liver lacerations.
C) lung injuries.
D) impaled objects.
Objective: 39.10
36) Tertiary injuries from a blast include:
A) extremity fractures.
B) bowel perforations.
C) lung injuries.
D) impaled objects.
Objective: 39.10
14
37) Which of the following is NOT traditionally a responsibility of an EMT on the scene of a
hazardous materials incident caused by terrorism?
A) Scene size-up
B) Containment and control
C) Assessment of the toxicological risk
D) Activation of the incident management system (IMS)
Objective: 39.11
38) Which of the following methods of decontamination is NOT usually a prehospital activity
during a terrorism incident?
A) Dilution
B) Absorption
C) Neutralization
D) Isolation
Objective: 39.11
39) Standard management of chemical burn caused by a terrorist incident includes:
A) rinsing the area with ice water.
B) using a neutralizing agent.
C) leaving any corrosive materials on the skin.
D) irrigating vigorously with cool water.
Objective: 39.11
15
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