Practice Quiz

CEN Practice Exam (Certified Emergency Nurse)

Category - Substance Abuse

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Your patient has sustained a burn from cutaneous exposure to lye. The patient received one hour of irrigation at the site of the injury prior to coming to the emergency department. When you assess the site what, finding tells you that the burn continues?
  1. Eschar
  2. Liquefaction necrosis
  3. Cherry red, firm tissue
  4. Intact blisters
Explanation
Answer: B - Liquefaction necrosis is an indication that the chemical is still burning the patient. Exposure to acids or heat causes thick, leathery eschars to form. Thermal injury can lead to cherry red, firm tissue. Partial-thickness thermal injury leads to intact blisters.
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