HP CHO -9 October 2022
Medical & Surgical Nursing
Easy

Which of the following is the most important initial care when chemical burn is suspected?

Appeared in: HP CHO -9 October 2022

Explanation

  • The primary goal in the initial management of a chemical burn is to stop the chemical's damaging action on the tissues.
  • Excessive and prolonged flushing with water is the most effective method to achieve this. It works by diluting the chemical and physically washing it off the skin.
  • Guidelines recommend irrigating the affected area with copious amounts of running water for at least 20-30 minutes.
  • This immediate action helps to reduce the depth and severity of the burn, thereby improving the patient's outcome.

Why Other Options Were Wrong

  • Option A: Covering the burn area immediately would trap the chemical against the skin, preventing its removal and allowing it to continue causing damage. This would worsen the severity of the burn.
  • Option B: This option is irrelevant for an initial injury, as there would be no dressings on the wound. If the question were about a subsequent injury or dressing change, this might be a consideration, but it is not the initial priority.
  • Option C: While providing a calm environment is a good nursing practice for patient comfort and reducing anxiety, it is not the most important initial action. It does not address the immediate physical threat of ongoing tissue destruction from the chemical.

Related Visual

Visual explanation — Related Visual
Clinical Relevance
  • Nursing practice connection: Knowing First Aid for Chemical Burns helps nurses interpret findings accurately and avoid errors in routine assessment, medication administration, and patient teaching.
  • A nurse's first priority in a chemical burn is to ensure their own safety by wearing PPE, then immediately begin decontamination of the patient to prevent further injury.
  • The 'brush, then flush' rule is critical. For dry chemicals like lime or cement powder, brushing off as much as possible before adding water prevents an exothermic reaction that can generate heat and cause a thermal burn.
  • Never try to neutralize a chemical burn with another chemical (e.g., acid for an alkali burn) in the field. This can create a chemical reaction that produces heat, worsening the injury.
How to Approach the Question
  • First, identify the core of the question: it's asking for the single most important initial action in a specific emergency (chemical burn). This is a priority-setting question.
  • Analyze the situation: A chemical is actively destroying tissue. The primary goal must be to stop this process.
  • Evaluate each option based on this goal. Ask yourself, 'Does this action stop the burning process?'
  • Option A (covering) traps the chemical, making it worse. Option B (removing dressings) is irrelevant. Option C (calm environment) is supportive but doesn't stop the damage.
  • Option D (flushing with water) directly addresses the problem by diluting and removing the chemical. This makes it the highest priority.
  • Therefore, select the option that provides immediate, definitive treatment to halt the injury mechanism.
Concept Tested & Keywords
  • Concept Tested: First Aid for Chemical Burns
  • Stem keywords: chemical burn, initial care, most important
  • Lead-in keywords: Which of the following

Question ID

QTic8Eo-l5YDHWCwygc6jY

Reference Book

E6 Nursing Brunner Adult Health 3SA Vol 2 Part 3 p. 130-132

E6 Nelson Textbook of Pediatrics(2024) — Volume 1 p. 691-693

Practise the full HP CHO -9 October 2022

Attempt every question from this paper in a timed mock, then review the full solution for each one.