Chapter 50 Flashcards
(15 cards)
Which of the following would be of greatest value when trying to determine the type of hazardous material a commercial tanker truck is carrying?
Waybill
Bill of lading
Consist
Dangerous cargo manifest
Bill of lading
The direct exposure of a patient to a hazardous material is called:
primary contamination.
systemic intoxication.
chemical transference.
acute infection.
primary contamination.
Level A personal protective equipment:
is designed to protect the rescuer against a known agent and is worn with an air-purifying respirator.
is required when a technician needs protection from splashes and inhaled toxins but does not need to be fully encapsulated.
provides the same degree of protection as a fire fighter’s turnout gear and is typically worn in the cold zone.
fully encapsulates the hazardous materials technician, including their self-contained breathing apparatus.
fully encapsulates the hazardous materials technician, including their self-contained breathing apparatus.
Department of Transportation (DOT) Class 8 chemicals are:
corrosive.
radioactive.
explosive.
flammable
corrosive.
Which of the following is an example of a local effect of a hazardous material?
Restlessness
Blister formation
Blood in the urine
Nausea and vomiting
Blister formation
Which level of personal protective equipment would most likely be worn during transport of patients with the potential of secondary contamination?
B
D
A
C
C
A Computer-Aided Management of Emergency Operations (CAMEO) device is used by hazardous materials teams to:
determine a hazardous material’s explosive limits by monitoring wind speed and environmental temperature.
monitor the levels of hydrogen sulfide and carbon monoxide contained in a wide variety of hazardous materials.
help predict downwind concentrations of hazardous materials based on the input of environmental factors into a computer model.
determine the pH of the hazardous material, which will assist in identifying the most appropriate neutralizing agent to use.
help predict downwind concentrations of hazardous materials based on the input of environmental factors into a computer model.
A blue placard specifically indicates that a chemical is which type of hazard?
Fire
Explosive
Health
Reactivity
Health
Knowledge of the specific hazardous material involved in an incident is most important because:
knowledge of the material involved dictates the square mileage of evacuation.
many hazardous material exposures require treatment in a hyperbaric chamber.
this information will determine how many hazardous materials vehicles will be required.
you will have an understanding of how the material will affect a patient’s health.
you will have an understanding of how the material will affect a patient’s health.
It is important to park your ambulance upwind and uphill from a hazardous materials incident scene because:
the risk of being contaminated is minimal if the chemical travels, and you will have greater visibility of the entire incident scene.
hazardous chemicals that turn to gas rarely have a vapor density that is heavier than the air, regardless of the amount of chemical.
if the chemical ignites and explodes, the fallout from the blast will most likely sink into valleys and ditches instead of rising.
the vapor density of many chemicals is less than that of the air, causing the vapor to rise and dissipate as it travels with the wind.
the vapor density of many chemicals is less than that of the air, causing the vapor to rise and dissipate as it travels with the wind.
The temperature at which a liquid fuel gives off sufficient vapors to cause a fire when an ignition source is present is called the:
flammable range.
ignition temperature.
vapor density.
flash point
Flash point
Which of the following actions can reduce the level of contamination of a person by as much as 90%?
Flushing with copious amounts of water
Using large pads to absorb the chemical
Removing the patient’s clothing
Using an agent to neutralize the chemical
Removing the patient’s clothing
According to the dose effect principle:
biotransformation and elimination of a chemical is not possible if the exposure involved a large or concentrated dose.
the greater the length of time or the greater the concentration of the material, the greater the effect will be on the body.
an extremely toxic hazardous material will have the same effect on the body, regardless of the length of the exposure.
the effects of a hazardous material will be more severe if it is ingested rather than inhaled or absorbed through the skin.
the greater the length of time or the greater the concentration of the material, the greater the effect will be on the body.
An individual trained at the hazardous materials operations level is trained to:
care for patients contaminated with a hazardous material.
recognize a hazardous materials incident but not provide patient care.
make direct, intentional contact with a hazardous material.
perform patient care activities outside of the hot zone.
perform patient care activities outside of the hot zone.
When a base substance is placed on a burn caused by an acid:
an exothermic reaction is less likely to occur.
the burn will be confined to the epidermis.
heat is generated as a by-product of the reaction.
the toxicity of the acid is effectively neutralized.
heat is generated as a by-product of the reaction.
