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NR341 - Burns Exam Questions And Answers
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NR341 - Burns Exam Questions And Answers...
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NR341 - Burns Exam Questions And AnswersHighest morbidity of burns
-Burns covering >50% of body surface area
-Inhalation injuries
-Very young and elderly Pts
Functions of the skin
-Protect and barrier
-Regulation of fluid loss
-Body heat control
-Synthesis of Vit-D
-Sensation
-Determination of Identity and appearance
Burn Severity
-Type of injury:
-Burn wound characteristics: Depth, Extent (% of body surface area), Body part burned
-Pt Age
-Pre-existing health status
-Concomitant injuries (injuries that occur with the burn)
Respiratory Involvement-inhalation of fumes, smoke, steam, and heated air may lead to
resp. failure and airway edema
--Carbon monoxide poisoning binds to Hgb 200x more than O2
Mechanisms of Burn injury
-Thermal
-Chemical
-Electrical
, -Inhalation
Thermal burn injury
Skin damaged by contact w/ heat
-Flame
-Scalding liquids
-heat source
Chemical burn injury
Skin exposed to a caustic agent acids, bases, and organic compounds
-Contact
-Inhalation of fumes
-Ingestion / injection
What's more dangerous Acid or Alkaline?
Alkaline- they adhere to the skin and melt it
Electrical burn injury
Electrical current passes thru the body and can cause severe damage
-Lethal dysrhythmias, CNS defects, and respiratory arrest
-Pts need to be put on Telemetry
Inhalation burn injury
Inhalation of hot smoke, chemical toxins, and products of incomplete combustion
-Often occurs after fires or chemical leaks in enclosed space
-Supraglottic injury is heat exposure above the glottis that can lead to airway obstruction
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