Profound hearing loss is described as greater than?

AIIMS Bhuvneshwar NO- 2018

Medical & Surgical Nursing

Easy

Appeared in: AIIMS Bhuvneshwar NO- 2018

Explanation

Profound hearing loss is the most severe category of hearing impairment.
According to the World Health Organization (WHO) classification, it is defined as a hearing loss greater than 80 decibels (dB) in the better ear.
Individuals with this level of hearing loss cannot hear most sounds and have extreme difficulty with spoken language, often relying on visual cues, sign language, or cochlear implants.

Option A: A hearing loss of 60 dB is classified as moderate, not profound. It marks the upper boundary of the moderate hearing loss range.
Option B: A hearing threshold of 20 dB falls within the normal hearing range (0-25 dB).
Option C: A hearing loss of 40 dB is classified as mild, not profound. It represents the upper limit of the mild hearing loss range.

Visual 1: Audiogram Chart - An audiogram graph showing the different degrees of hearing loss (normal, mild, moderate, severe, profound) plotted against frequency (Hz) and intensity (dB). This helps visualize where each category falls.
Visual 2: Infographic - A visual scale titled 'The Decibel Scale' showing common sounds and their corresponding dB levels, from a whisper (30 dB) to a jet engine (140 dB), with the hearing loss categories marked alongside.

Clinical Relevance

Nursing practice connection: This is primarily an exam-oriented knowledge point with limited direct bedside application, so retain Classification of hearing loss severity as background academic context rather than a clinical decision trigger.
Nurses play a crucial role in identifying patients at risk for hearing loss, facilitating referrals to audiologists, and implementing communication strategies for hearing-impaired patients.
Patient safety is a key concern. A patient with profound hearing loss may not hear alarms, call bells, or verbal instructions, requiring specific interventions like visual alerts or whiteboards for communication.
What if? If a patient with known severe hearing loss (e.g., 75 dB) suddenly reports their hearing is much worse, the nurse should suspect a progression to profound loss and facilitate an urgent audiology reassessment, as their communication and safety needs will have changed significantly.

How to Approach the Question

First, identify the key terms in the question: 'Profound hearing loss' and 'greater than'. This indicates you need to recall a specific value from a classification system.
Recall the standard classification for degrees of hearing loss (e.g., WHO or ANSI standards). Mentally picture the categories: normal, mild, moderate, severe, and profound.
Associate the decibel (dB) ranges with each category. Remember that the dB values increase with the severity of the loss.
Evaluate the given options against the classification. Eliminate options that correspond to lesser degrees of hearing loss (mild, moderate).
Select the option that represents the threshold for the 'profound' category. In this case, profound loss is defined as being greater than 80 dB.

Concept Tested & Keywords

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