Hazmat 1 Flashcards

1
Q

In Step 2 of the APIE process, responders:

A

use the information gathered to determine what actions need to be taken to mitigate the incident.

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2
Q

Hazardous materials or dangerous goods are:

A

substances that possess harmful characteristics.

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3
Q

Acute health effects are:

A

short-term effects that appear within hours or days.

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4
Q

A chronic exposure to a hazardous material is:

A

long-term or reoccurring.

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5
Q

The process of taking in hazardous materials through the skin or eyes is defined as:

A

absorption.

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6
Q

Chemicals or biological substances that cause sickness, illness, or injury by doing damage on the molecular scale are an example of:

A

toxicity.

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7
Q

Fires and explosions are examples of:

A

energy release.

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8
Q

Which statement about gases is most accurate?

A

Gases have an undefined shape and keep expanding if uncontained.

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9
Q

The conversion of a liquid to vapor:

A

increases the material’s mobility.

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10
Q

Sublimation occurs when a material transitions directly from a:

A

solid to a gas.

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11
Q

What is the pressure exerted by a saturated vapor above its own liquid in a closed container?

A

Vapor pressure

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12
Q

Liquid changes to a gas at the point.

A

boiling

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13
Q

A boiling liquid expanding vapor explosion (BLEVE) is caused by:

A

a heated liquid or gas expanding.

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14
Q

Gases with a vapor density of____will rise quickly and spread to a wide geographical area.

A

less than one

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15
Q

Most fammable liquids will float on water because they have

A

specific gravities less than one.

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16
Q

The concentration (in air) at which the “average person” can smell a particular compound is the:

A

odor threshold!

17
Q

A fuel that has moved beyond its upper flammable limit will:

A

be too rich to burn.

18
Q

The most energetic and hazardous forms of radiation are:

A

visible light.

19
Q

Which type of radiation can be reduced or stopped by a layer of clothing, a thin sheet of metal, or a thick Plexiglass?

A

Beta

20
Q

The damaging effects of ionizing radiation occur at the_____ level

A

cellular

21
Q

Asphyxiants, irritants, convulsants, and carcinogens are types of:

A

toxics.

22
Q

Which type of biological/etiological hazard spreads mostly through the bite of infected arthropods?

A

Rickettsias

23
Q

Visible corrosion, or other degradation of a container, may indicate that a container is undergoing____ energy

A

chemical

24
Q

The three mechanisms or harm in a container hazardous materials incident are:

A

energy release, corrosivity, and toxicity.

25
Q

Locations such as ports, docks, railroad sidings, airplane hangars, and truck terminals:

A

are likely locations for hazmat incidents.

26
Q

Which is considered to be a nonbulk container?

A

Drum

27
Q

Liquid containers tend to have:

A

flat (or less rounded) ends on tanks.

28
Q

Materials with very little radioactivity that present no risk to the public should be shipped using what type of packaging?

A

Excepted

29
Q

In the U.N. system, hazard classes are divided into:

A

nine classes that include gases, infectious substances, and miscellaneous.

30
Q

Which class of hazards is characterized by thermal and mechanical hazards in the form of blast pressure waves, shrapnel and fragmentation, and incendiary thermal effects?

A

Class 1

31
Q

In addition to burning, all flammable and combustible liquids exhibit varying degrees of.

A

toxicity.

32
Q

Biohazards such as infectious substances are part of which hazardous class?

A

Class 6

33
Q

NFPA 704, Standard System for the Identification of the Hazards of Materials for Emergency Response gives widely recognized methods for indicating the presence of hazardous materials:

A

at commercial, manufacturing, institutional, or other fixed-storage facilities.

34
Q

In the NEPA 704 System, what does a “4” in the yellow background indicate?

A

Severe instability

35
Q

Which is NOT included on pesticide labels in the U.S. and Canada?

A

U.N. four-digit identification number

36
Q

Safety data sheets:

A

are often the best source of information about a particular material to which emergency responders have access.