Flashcards in Chapter 29 - Vital Signs Deck (13)
What are the factors that affect heat production?
1. Basal metabolic rate
2. Muscle activity
3. Thyroxine output
4. Epinephrine, norepinephrine, and sympathetic stimulation/stress response
Generally the younger the person, the higher the BMR (basal metabolic rate).
What ways is heat lost from the body?
Insensible heat loss accounts for about ______ of basal heat loss.
The system that regulates body temperature has three main parts:
- Sensors in the periphery and in the core
- An integrator in the hypothalamus
- Effector system that adjusts the production and loss of heat
Factors that affect body temperature
2. Diurnal variations (circadian rhythms)
Why are older people at risk for hypothermia?
- Inadequate diet
- Lack of activity
- Reduced thermoregulatory efficiency
(Also sensitive to extremes in environmental temp due to decreased thermoregulatory controls.)
The time for the point of highest body temperature is usually between ____ and _____ hours; the lowest point is between _____ and _____ hours.
1600 and 1800 hours (4 and 6 PM)
0400 and 0600 hours (4 and 6 AM)
Men usually experience more hormone fluctuations than women.
The normal range for body temperature in adults is considered to be between ____ and ____.
96.8F to 99.5F
There are two primary alterations in body temperature: ________ and _______.
Pyrexia and hypothermia
A body temperature above the usual range is called: