INI-CET EXAM -2026
Medical & Surgical Nursing
Easy

A patient develops acute-onset severe unilateral hearing loss with no identifiable cause. Audiometry confirms sensorineural hearing loss. Which of the following pharmacological regimens is considered the first-line treatment for this condition?

Appeared in: INI-CET EXAM -2026

Explanation

  • The clinical presentation describes Idiopathic Sudden Sensorineural Hearing Loss (ISSNHL), which is considered an otologic emergency.
  • Oral systemic corticosteroids, like prednisolone, are the established first-line therapy for ISSNHL.
  • The primary mechanism of action is reducing inflammation and edema within the cochlea and auditory nerve, which is the presumed cause in many idiopathic cases.
  • Early initiation of steroid therapy is critical and is associated with a higher likelihood of partial or complete hearing recovery.

Why Other Options Were Wrong

  • Option A: Intratympanic steroid injections are not the first-line treatment for most patients.
  • Option B: Topical steroid ear drops cannot penetrate the tympanic membrane to reach the inner ear, where the sensorineural hearing loss originates.
  • Option C: Gentamicin is an ototoxic antibiotic that can cause or worsen sensorineural hearing loss. Its use is contraindicated for treating this condition.

Related Visual

Visual explanation — Related Visual
Clinical Relevance
  • Nursing practice connection: Use the key finding related to First-line pharmacological treatment for Idiopathic Sudden Sensorineural Hearing Loss (ISSNHL) to guide bedside assessment, documentation, and the next nursing action.
  • Nurses must recognize sudden hearing loss as a medical emergency requiring prompt referral to an otolaryngologist for diagnosis and initiation of time-sensitive treatment.
  • Patient education is a key nursing role, focusing on the importance of adherence to the steroid tapering schedule and monitoring for potential side effects like hyperglycemia, hypertension, mood changes, and insomnia.
  • What if? If the patient had a history of poorly controlled diabetes or a peptic ulcer? In this case, systemic steroids would be relatively contraindicated, and the physician might choose intratympanic steroid injections as the first-line therapy to minimize systemic risks.
How to Approach the Question
  • First, analyze the patient's symptoms: acute onset, unilateral, severe hearing loss confirmed as sensorineural, and idiopathic (no identifiable cause).
  • Recognize this specific constellation of symptoms as the definition of Idiopathic Sudden Sensorineural Hearing Loss (ISSNHL).
  • Recall that ISSNHL is treated as an otologic emergency, and the goal is to reduce inflammation in the inner ear.
  • Evaluate the treatment options based on their ability to deliver an anti-inflammatory agent to the cochlea and auditory nerve.
  • Eliminate options that are ineffective (topical drops) or harmful (ototoxic antibiotics).
  • Differentiate between first-line (systemic steroids) and second-line (intratympanic steroids) therapies to select the correct answer.
Concept Tested & Keywords
  • Concept Tested: First-line pharmacological treatment for Idiopathic Sudden Sensorineural Hearing Loss (ISSNHL).
  • Stem keywords: acute-onset, severe unilateral hearing loss, no identifiable cause, audiometry, sensorineural hearing loss
  • Lead-in keywords: first-line treatment
  • Negative lead-in flag: false

Question ID

Q2vi4n7UPpZkRBEmKjsHSA

Reference Book

E6 Nelson Textbook of Pediatrics(2024) — Volume 2 p. 1802-1804

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