Exam & Evaluation (Hypo/Hyperthermia in the Elderly)
Questions: Please respond to following statements.
The brain structure responsible for temperature regulation is the :
Approximately how many elderly individuals die each year from hypothermia?
Hypothermia occurs when the body’s core temperature drops to:
97 degrees F
96 degrees F
95 degrees F
93 degrees F
Which of the following physiologic mechanisms help the body to regulate body heat?
Blood vessel dilatation
Ability to perspire
All of the above
Which of the following is a risk factor for hypothermia in the elderly?
All of the above
Approximately what percentage of hypothermia deaths occur in persons 65 years of age or older.
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
reduced subcutaneous tissue
all of the above
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
Which of the following types of hyperthermia is life threatening?
Clothing and blankets provide maximum benefit when they are applied in layers.
When the elderly exercise vigorously, they may need environmental cooling to dissipate heat .
Conduction is the transfer of energy into and throughout a solid.
Hypothermia is defined as a core body temperature of 35 degrees C and below. (MMWR)
Shivering is the first sign of hypothermia in the elderly.
Elderly men are at higher risk of hypothermia than elderly women. (MMWR)
The rate of hypothermia in the elderly population appears to track the cost of energy.
Convection is the transfer of heat through air or water.
Shock from reduced peripheral vascular resistance can occur if the peripheral temperature rises faster than the body’s core temperature.
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.
The most significant complications of severe hyperthermia are arrhthymias and cardiorespiratory arrest.
Hypothermia can delay the effect of drugs by reducing their absorption and distribution
Older people have a decreased sense of thirst and a decreased ability to perspire compared to younger people.
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