Exam (elaborations)
NR341 – Burns: Questions & Correct Solutions
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NR341 – Burns: Questions & Correct Solutions
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NR341 – Burns: Questions & Correct SolutionsHighest morbidity of burns Right Ans - -Burns covering >50% of body
surface area
-Inhalation injuries
-Very young and elderly Pts
Functions of the skin Right Ans - -Protect and barrier
-Regulation of fluid loss
-Body heat control
-Synthesis of Vit-D
-Sensation
-Determination of Identity and appearance
Burn Severity Right Ans - -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)
-Involvement of the respiratory system: inhalation of fumes, smoke, steam,
and heated air can cause resp. failure and airway edema
--Carbon monoxide poisoning binds to Hgb 200x more than O2
Mechanisms of Burn injury Right Ans - -Thermal
-Chemical
-Electrical
-Inhalation
Thermal burn injury Right Ans - Skin damaged by contact w/ heat
-Flame
-Scalding liquids
-heat source
Chemical burn injury Right Ans - Skin exposed to a caustic agent acids,
bases, and organic compounds
-Contact
-Inhalation of fumes
-Ingestion / injection
, What's more dangerous Acid or Alkaline? Right Ans - Alkaline - they stick
to the skin and melt it
Electrical burn injury Right Ans - 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 Right Ans - 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
-Subglottic injury occur d/t heat exposure below the glottis and often manifest
breathing problems
Depth of Burns Right Ans - -Superficial
-Superficial Partial thickness
-Deep Partial thickness
-Full thickness
-Deep Full thickness
Superficial burn Right Ans - -A burn that involves only the epidermis, the
outer layer of the skin.
-It is characterized by reddening of the skin and perhaps some swelling.
-An example is a sunburn.
-Also called a first-degree burn.
-NOT included when calculating the total body surface area of a burn
Superficial Partial Thickness Right Ans - -Past epidermis and part of the
dermis
-Moist, pink, or mottled red
-Painful
-Blisters formed
-3 wks to heal
-Dressing changes
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