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