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Chapter 30: Environmental Emergencies
Terms in this set (118)
A dysbarism injury refers to the signs and symptoms related to changes in:
A. rapid ascent.
B. rapid descent.
D. barometric pressure.
When a warm hand is immersed in water that is 70°F (21°C), heat is transferred from the hand to the water through a process called:
The transfer of heat to circulating air, such as when cool air moves across the body's surface, is called:
The body's natural cooling mechanism, in which sweat is converted to a gas, is called:
Heat loss from the body through respiration occurs when:
A. warm air is exhaled into the atmosphere.
B. the core body temperature is greater than 98°F (37°C).
C. cool air is inhaled and displaces warm air.
D. air temperature is greater than body temperature.
Shivering is a mechanism in which the body generates heat by:
A. increasing the metabolic rate.
B. decreasing the use of oxygen.
C. decreasing the metabolic rate.
D. retaining excess carbon dioxide.
Covering a patient's _________ will significantly minimize radiation heat loss.
Hypothermia occurs when the core body temperature falls below:
A. 98°F (37°C).
B. 95°F (35°C).
C. 90°F (32°C).
D. 88°F (31°C).
The body's natural protective mechanisms against heat loss are:
A. shivering and vasodilation.
B. vasodilation and respiration.
C. respiration and vasoconstriction.
D. vasoconstriction and shivering.
Compared to adults, infants and children are at higher risk for hypothermia for all of the following reasons, EXCEPT:
A. a decreased ability to shiver.
B. a relatively small surface area.
C. a smaller amount of body fat.
D. a smaller overall muscle mass.
Which of the following conditions would be the LEAST likely to increase a person's risk of hypothermia?
B. severe infection
D. spinal cord injury
To assess a patient's general temperature, pull back on your glove and place the back of your hand on his or her skin at the:
To obtain the MOST accurate reading of a patient's core body temperature, you should place a special hypothermia thermometer:
A. into the patient's rectum.
B. under the patient's tongue.
C. behind the patient's knee.
D. under the patient's armpit.
A patient with a core body temperature of 95°F (35°C) will MOST likely experience:
A. a slow pulse.
B. rapid breathing.
C. muscle stiffness.
D. loss of consciousness.
Which of the following would be the LEAST likely to occur in a patient with a core body temperature of between 89°F (32°C) and 92°F (33°C)?
C. stiff muscles
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