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Nursing a Concept Based Approach to
Learning: M18.1 Hearing Impairment Questions
and Correct Answers
Hearing loss can be classified as?
✓ ~: - Conductive
✓ - Sensorineural
✓ - Mixed
What is conductive hearing loss?
✓ ~: - Anything that disrupts the transmission of sound from the external meatus to the
inner ear
What are some common conductive hearing loss causes?
✓ ~: - Any kind of obstruction of the canal
- Tympanic membrane perforation
- Fixation of the ossicles
- Fluid
S&S of conductive hearing loss?
✓ ~: - Equal loss of hearing at all sound frequencies
- Good discrimination when sound is greater than threshold hearing
What is Sensorineural hearing loss?
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✓ ~: - Any disorder that affects the inner ear, auditory nerve, or Neurological auditory
pathways
- Sound is transmitted to the inner ear, but can't be interpreted
What are some common sensorineural hearing loss causes?
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✓ ~: - Congenital, genetic, and acquired conditions
- Loud noises such as explosion, very loud music, or continuously working heavy machinery
- Ototoxic drug therapy
- Tumors
I- nfections.
Risk factors: congenital hearing impairment
✓ ~: - Family history of congenital hearing loss
- Positive titer for TORCH infections (toxoplasmosis, rubella, cytomegalovirus, syphilis,
herpes)
- Craniofacial abnormalities
- Very low birth weight (<1500 g)
- Low Apgar score at 1 or 5 minutes
- Bacterial meningitis
- Mechanical ventilation for over 5 days.
What is presbycusis?
✓ ~: - Age related Hearing loss
*Higher pitched sounds are lost first
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