WCL Staff Nurse - 2019
Medical & Surgical Nursing
Easy

Chemical burn of the eyes is treated with?

Appeared in: WCL Staff Nurse - 2019

Explanation

  • The immediate priority in a chemical eye burn is to dilute and remove the causative agent to prevent further tissue damage.
  • Copious and continuous irrigation with tap water, sterile water, or normal saline for at least 15-30 minutes is the most effective method to achieve this.
  • This action helps to normalize the pH of the ocular surface, minimizing the penetration of the chemical and reducing the risk of permanent scarring and vision loss.

Why Other Options Were Wrong

  • Option A: These are not the first-line treatment. Irrigation is the absolute priority to remove the chemical.
  • Option B: Heat increases metabolic activity and inflammation, which can worsen the damage from a chemical burn.
  • Option D: Using a cotton tip is insufficient for removing a liquid chemical, risks abrading the cornea, and may not reach all affected areas like the conjunctival fornices.

Related Visual

Visual explanation — Related Visual
Clinical Relevance
  • Nursing practice connection: This is primarily an exam-oriented knowledge point with limited direct bedside application, so retain First aid management of chemical eye injury as background academic context rather than a clinical decision trigger.
  • Nurses are often the first responders in emergency departments or occupational health settings. Knowing that immediate, prolonged irrigation is the only vision-saving intervention is critical.
  • Alkali burns (e.g., from cement, lye, ammonia) are more dangerous than acid burns because they penetrate tissue more deeply (liquefaction necrosis). This requires even longer and more thorough irrigation.
  • What if? If the patient is wearing contact lenses, the nurse's priority is to start flushing immediately, even over the lenses. If possible, another person should attempt to remove the lenses while irrigation continues, as they can trap chemicals against the cornea.
How to Approach the Question
  • Identify the core of the question: it asks for the immediate treatment for a chemical eye burn.
  • Recognize this as a time-critical emergency. The primary goal is to stop the chemical from causing more damage.
  • Evaluate the options based on the principle of removing the offending agent. Flushing with water (Option C) directly and effectively addresses this.
  • Analyze the other options for their appropriateness in an emergency. Anesthetics/antibiotics (A) are subsequent steps, not the first action. Hot compresses (B) are harmful. Cotton swabs (D) are inadequate and potentially dangerous.
  • Confirm that copious irrigation is the established, universal standard of care for this type of injury, making it the best answer.
Concept Tested & Keywords
  • Concept Tested: First aid management of chemical eye injury.
  • Stem keywords: Chemical burn, eyes, treated with
  • Lead-in keywords: BEST, MOST RELEVANT CLUE
  • Negative lead-in flag: false

Question ID

QygMFpr0XN79Ggl9y_O_b8

Reference Book

E6 Nelson Textbook of Pediatrics(2024) — Volume 2 p. 1787-1789

E6 Nursing Brunner Adult Health 3SA Vol 2 Part 1 pp. 109-111, 108-110

Practise the full WCL Staff Nurse - 2019

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