An initial assessment of an elderly client's complaint of hearing loss would be inspection of the ear using an otoscope for the presence of impacted cerumen. Which of the following type of hearing loss is caused by impacted cerumen?

Choice A rationale Sensorineural hearing loss results from damage to the inner ear structures, such as the cochlea or the vestibulocochlear nerve. This type of loss is often permanent and can be caused by prolonged exposure to loud noises, ototoxic medications, or the aging process known as presbycusis. Since impacted cerumen is an external obstruction that does not affect the neural pathways or the sensory hair cells of the inner ear, it cannot be classified as a sensorineural deficit. Choice B rationale Impacted cerumen causes conductive hearing loss because it creates a physical barrier that prevents sound waves from reaching the tympanic membrane. In a healthy ear, sound travels through the external auditory canal to vibrate the eardrum and ossicles. When wax obstructs this path, the efficiency of sound conduction is significantly reduced. This type of hearing loss is typically reversible once the obstruction is removed, restoring the normal passage of acoustic energy into the middle ear system. Choice C rationale Mixed hearing loss is a combination of both conductive and sensorineural components occurring simultaneously in the same ear. While a person with age related sensorineural loss could also have impacted cerumen, the cerumen itself only contributes to the conductive portion of the impairment. To be classified as mixed, there must be a confirmed pathology in both the sound conduction mechanism of the outer or middle ear and the sensory neural apparatus of the inner ear. Choice D rationale Psychogenic hearing loss is a non organic hearing impairment where the individual has no identifiable physical or physiological cause for their loss of hearing. It is usually related to psychological distress or emotional trauma rather than a physical blockage. Impacted cerumen is a very clear, tangible, and physical cause for a change in hearing acuity. Therefore, it does not fall under the category of psychogenic loss, which is diagnosed only after all organic causes have been ruled out.