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Exam & Evaluation (Hypo/Hyperthermia in the Elderly)
 
Questions: Please respond to following statements.

1 The brain structure responsible for temperature regulation is the :
  cerebral cortex
  thalamus
  hypothalamus
  medulla
2 Approximately how many elderly individuals die each year from hypothermia?
  150
  375
  525
  600
3 Hypothermia occurs when the body’s core temperature drops to:
  97 degrees F
  96 degrees F
  95 degrees F
  93 degrees F
4 Which of the following physiologic mechanisms help the body to regulate body heat?
  Thirst
  Blood vessel dilatation
  Ability to perspire
  All of the above
5 Which of the following is a risk factor for hypothermia in the elderly?
  Alcohol
  Tranquilizers
  General anesthetics
  Antidepressants
  All of the above
6 Approximately what percentage of hypothermia deaths occur in persons 65 years of age or older.
  12%
  28%
  49%
  70%
7 Mrs. Abbott is an 85 year old who lives alone. She is fiercely independent but has a limited income. Physical assessment reveals recent weight loss and pronounced definition of muscle and bone on all extremities. Your nursing assessment indicates that Mrs. Abbott may be at increased risk of hypothermia due to ...
  age-related metabolic changes
  limited income
  reduced subcutaneous tissue
  all of the above
8 To avoid hypothermia, Mrs. Abbott should be exposed to a temperature of no less than:
  75 degrees F
  70 degrees F
  65 degrees F
  60 degrees F
9 Which of the following types of hyperthermia is life threatening?
  Heat cramps
  Heat stroke
  Heat exhaustion
  Heat edema
10 Clothing and blankets provide maximum benefit when they are applied in layers.
True     False
11 When the elderly exercise vigorously, they may need environmental cooling to dissipate heat .
True     False
12 Conduction is the transfer of energy into and throughout a solid.
True     False
13 Hypothermia is defined as a core body temperature of 35 degrees C and below. (MMWR)
True     False
14 Shivering is the first sign of hypothermia in the elderly.
True     False
15 Elderly men are at higher risk of hypothermia than elderly women. (MMWR)
True     False
16 The rate of hypothermia in the elderly population appears to track the cost of energy.
True     False
17 Convection is the transfer of heat through air or water.
True     False
18 Shock from reduced peripheral vascular resistance can occur if the peripheral temperature rises faster than the body’s core temperature.
True     False
19 According to the U.S. Office of Consumer Affairs, it is estimated that over 2.5 million older Americans are at high risk of developing hypothermia.
True     False
20 The most significant complications of severe hyperthermia are arrhthymias and cardiorespiratory arrest.
True     False
21 Hypothermia can delay the effect of drugs by reducing their absorption and distribution
True     False
22 Older people have a decreased sense of thirst and a decreased ability to perspire compared to younger people.
True     False
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