First Aid Emergency Care Exam 4
Questions and Answers 100%
PASS
The body has two internal mechanisms to maintain body temperature. -
CORRECT ANSWER-Vasoconstriction & Shivering
Vasoconstriction - CORRECT ANSWER-Tightening of blood vessels
Shivering - CORRECT ANSWER-Stops when core temperature falls between 86F
and 90F
Susceptibility can be minimized by: - CORRECT ANSWER-Proper hydration and
nutrition
Avoiding alcohol, caffeine, and nicotine
Limiting periods of inactivity
The colder the temperature, the greater the potential - CORRECT ANSWER-
How Cold Affects the Body
,When exposure lasts more than an hour: - CORRECT ANSWER-Sensation,
touch, and pain will be blunted.
Dexterity and agility will be lost.
A person's ability to perform manual tasks will be impaired.
Normal body temperature is maintained by a balance of - CORRECT ANSWER-
heat production and heat loss.
Four mechanisms of heat loss - CORRECT ANSWER-Conduction
Convection
Evaporation
Radiation
Susceptibility to Cold Injury - CORRECT ANSWER-Physically unfit
Dehydration
Very lean people
Older people
Alcohol, caffeine
Nicotine
Inadequate nutrition, illness, injury
Previous cold injury
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protected by copyright law
, Air temperature drops 3.6F every ________ feet. - CORRECT ANSWER-1,000
feet.
Frostbite is more common above - CORRECT ANSWER-8000 feet
Plunging into cold water can cause: - CORRECT ANSWER-Irregular heartbeat
Gasping, hyperventilation
Inhalation of water
Heart failure
Drowning
Windchill is the combined effect of the - CORRECT ANSWER-ambient
temperature and wind speed.
Nonfreezing Cold Injuries
Can occur when - CORRECT ANSWER-conditions are cold and wet, and hands
and feet cannot be kept warm and dry
Chilblain - CORRECT ANSWER-Painful
Causes little or no permanent damage
Can develop in 3 to 6 hours
Chilblain: What to Look For - CORRECT ANSWER-Swollen skin
Questions and Answers 100%
PASS
The body has two internal mechanisms to maintain body temperature. -
CORRECT ANSWER-Vasoconstriction & Shivering
Vasoconstriction - CORRECT ANSWER-Tightening of blood vessels
Shivering - CORRECT ANSWER-Stops when core temperature falls between 86F
and 90F
Susceptibility can be minimized by: - CORRECT ANSWER-Proper hydration and
nutrition
Avoiding alcohol, caffeine, and nicotine
Limiting periods of inactivity
The colder the temperature, the greater the potential - CORRECT ANSWER-
How Cold Affects the Body
,When exposure lasts more than an hour: - CORRECT ANSWER-Sensation,
touch, and pain will be blunted.
Dexterity and agility will be lost.
A person's ability to perform manual tasks will be impaired.
Normal body temperature is maintained by a balance of - CORRECT ANSWER-
heat production and heat loss.
Four mechanisms of heat loss - CORRECT ANSWER-Conduction
Convection
Evaporation
Radiation
Susceptibility to Cold Injury - CORRECT ANSWER-Physically unfit
Dehydration
Very lean people
Older people
Alcohol, caffeine
Nicotine
Inadequate nutrition, illness, injury
Previous cold injury
© 2026 Copyright. All Rights Reserved. This document is
protected by copyright law
, Air temperature drops 3.6F every ________ feet. - CORRECT ANSWER-1,000
feet.
Frostbite is more common above - CORRECT ANSWER-8000 feet
Plunging into cold water can cause: - CORRECT ANSWER-Irregular heartbeat
Gasping, hyperventilation
Inhalation of water
Heart failure
Drowning
Windchill is the combined effect of the - CORRECT ANSWER-ambient
temperature and wind speed.
Nonfreezing Cold Injuries
Can occur when - CORRECT ANSWER-conditions are cold and wet, and hands
and feet cannot be kept warm and dry
Chilblain - CORRECT ANSWER-Painful
Causes little or no permanent damage
Can develop in 3 to 6 hours
Chilblain: What to Look For - CORRECT ANSWER-Swollen skin
