Deck 25: Heat and Cold Emergencies

Question 1

Two-thirds of all heat loss through evaporation comes from what?

A) respiration
B) perspiration
C) circulation
D) coagulation

Answer 1

perspiration

Question 2

Which of the following is not a way the body conserves heat?

A) blood vessels constrict
B) blood vessels dilate
C) hairs stand erect
D) the body doesn't perspire

Answer 2

blood vessels dilate

Question 3

Which of the following people would be especially susceptible to heat-related injuries?

A) an obese person
B) a teenager
C) a pregnant victim
D) a person with asthma

Answer 3

an obese person

Question 4

Heatstroke victims usually have:

A) low blood sugar.
B) a compromised level of consciousness.
C) an unquenchable thirst.
D) extreme fatigue.

Question 5

The body temperature of a victim of heatstroke needs to be cooled below ________ and stay that low before the danger has passed.

A) 98.6°F
B) 100°F
C) 101°F
D) 102°F

Question 6

The most critical problem in heat exhaustion is:

A) muscle cramps.
B) dehydration.
C) a weak, rapid pulse.
D) a below-normal temperature.

Question 7

For which one of the following heat-related emergencies should you have the victim lie down and raise the feet 8 to 12 inches?

A) heatstroke
B) sunstroke
C) heat exhaustion
D) heat cramps

Question 8

Heat cramps are muscle spasms that occur when:

A) the body loses too much salt.
B) calcium levels are too high.
C) too little water is consumed.
D) too many electrolytes are consumed.

Question 9

First aid care for heat cramps includes administering sips of ________ at the rate of one-half glassful every 15 minutes.

A) sugar-saturated water
B) water/sports drink
C) salt water
D) lemon-water

Question 10

In general, the body's thermal control is lost once the body temperature is lowered to:

A) 95°F.
B) 90°F.
C) 80°F.
D) 85°F.

Question 11

Which of the following is not a factor that could contribute to hypothermia even in the absence of cold environment?

A) the use of drugs
B) massive blood loss
C) extremes of age
D) extreme activity

Question 12

The American Heart Association guidelines suggest attempting CPR on a hypothermia victim, even in the presence of:

A) fixed and dilated pupils.
B) a very rigid chest wall.
C) lethal injuries.
D) long transports to definitive care and delay in rewarming.

Question 13

You should keep a hypothermia victim in which of the following positions?

A) semisitting
B) vertical
C) supine
D) flat with legs elevated

Question 14

You should do all of the following to prevent further heat loss in a victim of hypothermia, except:

A) insulate the head.
B) remove wet clothing.
C) give the victim hot coffee to drink.
D) insulate the victim from the ground.

Question 15

Severe hypothermia makes the victims appear:

A) dead.
B) drowsy.
C) cyanotic.
D) to have a seizure.

Question 16

When providing first aid care for severe hypothermia, you should do all of the following except:

A) assess vital signs over a 1-minute period.
B) use mouth-to-mouth or mouth-to-mask ventilation.
C) try to rewarm the victim by applying heat.
D) insulate the victim against further heat loss.

Question 17

If a victim of immersion hypothermia cannot be rescued from the water immediately, instruct the victim to do all of the following except:

A) keep head and face out of the water.
B) cross legs under the water.
C) swim around to increase circulation.
D) exert as little energy as possible.

Question 18

When thawing frostbitten tissue, you should do so:

A) with an electric heater.
B) with dry heat.
C) by massaging the skin.
D) in a warm water bath.

Question 19

You should never thaw the tissue of a victim of frostbite if there is any chance of:

A) other injuries.
B) refreezing.
C) delayed transport.
D) an underlying medical condition.

Question 20

Check vital signs for one full minute on a hypothermic victim because he/she may breathe only ________ times per minute.

A) 12-20
B) 20-24
C) 8-12
D) 3-4

Question 21

Discolored skin with deep small blisters filled with dark fluid would be a sign of which degree of frostbite?

A) first
B) second
C) third
D) fourth

Question 22

You are hiking in the woods. The air temperature is 50 degrees. It starts to rain and your clothes become soaking wet. You start to shiver. What is happening to you?

A) You are becoming hypothermic.
B) You are becoming hyperthermic.
C) You are shivering to dry out your clothes.
D) The air temperature isn't freezing; don't worry.

Question 23

A friend's fingers have second-degree frostbite. How should you rewarm them?

A) immerse them in cold water
B) immerse them in warm water
C) rub the fingers briskly
D) warm them with an electric blow dryer

Question 24

A victim of hypothermia or frostbite should not be given liquids that cause the further loss of heat or constrict peripheral blood vessels. What fluid could the victim drink?

A) coffee
B) caffeine drinks
C) warm water
D) alcohol drinks

Question 25

The windchill factor is a combination of the effects of the speed of the wind and the temperature of the environment.

Question 26

The body loses heat in five ways, one of which is respirations.

Question 27

Wet clothing can cause you to lose heat 240 times faster than dry clothing.

Question 28

Classic heatstroke occurs when victims involved in physical exertion and muscle stress retain the ability to sweat.

Question 29

Pupils that are initially constricted and then later dilate are a sign of hypothermia.

Question 30

Heat exhaustion is actually a mild form of shock brought on by the pooling of blood in the vessels just below the skin.

Question 31

The primary signs and symptoms of heat exhaustion mimic those of the flu.

Question 32

Heat exhaustion is a True medical emergency.

Question 33

To cool a victim of heatstroke, pour cool water of the victim's body.

Question 34

The body maintains its temperature equilibrium by varying blood flow to the outer part of the body.

Question 35

In regard to hypothermia, a victim is not dead until he/she is warm and exhibits no signs of life.

Question 36

Shivering is a response by the body to generate heat. It typically does not occur below a body temperature of 90°F.

Question 37

Pale, cold, waxen skin, and slurred speech are all signs and symptoms of hypothermia.

Question 38

Race can affect the likelihood of frostbite. Blacks are three times more likely to experience frostbite.

Question 39

Falling through the ice on a pond could result in immersion hyperthermia.

Question 40

First-degree frostbite is also known as frostnip.

Question 41

First-degree frostbite affects the full thickness of the skin and subcutaneous tissue.

Question 42

Rubbing frostbitten cheeks is the best way to get circulation to return to the cheeks.

Question 43

Breaking blisters caused by frostbite will help relieve the pain.