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NUR242 Exam 3 Galen College Of Nursing - Question and answers already passed

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NUR242 Exam 3 Galen College Of Nursing - Question and answers already passed NUR242 Exam 3 - FROM STUDY GUIDE Characteristics predisposing newborn to heat loss - Thin skin; blood vessels close to the surface - Lack of shivering ability; - limited stores of metabolic substrates (glucose, gl...

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  • 22 de octubre de 2024
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  • nur242 exam 3
  • nur242 exam 3 galen college of nursing
  • nur242 exam 3 galen college of nursing question

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NUR242 Exam 3 - FROM STUDY GUIDE
Characteristics predisposing newborn to heat loss
- Thin skin; blood vessels close to the surface
- Lack of shivering ability;
- limited stores of metabolic substrates (glucose, glycogen, fat)
- Limited use of voluntary muscle activity
- Large body surface area relative to body weight
- Lack of subcutaneous fat;
- little ability to conserve heat by changing posture
- No ability to adjust own clothing or blankets to achieve warmth
- Infants cannot communicate that they are too cold or too warm




Thermorégulation priority after birth
- Evaporation
- Dry and Stimulate the baby!




Mechanisms of Heat Exchange
1. Conduction
2. Convection
3. Radiation
4. Evaporation

,Risk factors for overheating newborn
- Large body surface area
- Limited Insulation
- Limited sweating ability




newborn attempts to conserve heat and increase heat production
- Increases Metabolic rate
- Oxidative glucose
- Fat and Protein metabolism
- Nonshivering thermogenesis
- Muscular Activity
- Peripheral vasoconstriction
- Fetal Position




Cold stress and the newborn
The biggest concern with cold stress and the newborn is respiratory distress.




The best way to warm up a dry baby
Skin to Skin contact with Mom




brown fat

, Source of heat unique to neonates that is capable of greater thermogenic
activity than ordinary fat; deposits are found around the adrenals, kidneys,
and neck; between the scapulae; and behind the sternum for several weeks
after birth




nonshivering thermogenesis (NST)
- metabolism of brown fat to produce heat
- Primary heat production of newborn




Key Nursing intervention for thermorégulation of the newborn
Prevention or heat loss




Need for a neutral thermal environment (NTE)
environment in which body temperature is maintained without an increase in
metabolic rate or oxygen use.
DON'T LOSE & DON'T GAIN
- Newborns need a higher environmental temp to maintain a NTE




Place fetal skin temperature probe over:
Liver




Signs of newborn respiratory distress

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