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Ears

School Nurse Certification

QuestionAnswer
Low set ears may indicate what? Chromosomal abnormalities or genitourinary defects.
Pain when pulling on the top (helix) of the ear may indicate what? Otitis externa or Swimmer's ear.
Pain, tenderness, swelling or nodules located on the bony protruberance behind the ear (the mastoid)may indicate what? Internal inflammation and infection.
Which area of the ear houses the tympanic membrane and the 3 bones that carry vibrations? The middle ear.
What are the three bones that carry the vibration in the inner ear? The malleus (hammer), the incus (anvil) and the stapes (stirrup.)
Which part of the ear houses that 3 semicircular cannals, the vestibule, the cochlea, and the auditory nerve? The inner ear.
What connects the middle ear to the nasopharynx? The eustachian tubes.
What is the usual decibel level for hearing screening? 20 decibles.
What are frequencies are usually tested during hearing screenings? 1000, 2000 and 4000Hz
How is the Weber test performed? Place base of a vibrating tuning fork on midline top of the head; ask the child where the sound is heard best.
What is the expected outcome of the Weber test? Sound should be heard equally in both ears?
How is the Rinne test performed? Strike a tuning fork against your palm; place base of tuning fork against the mastoid. Note when sound will no longer be heard by seconds. Repeat process but place the fork against the external meatus; should be heard longer than when on the bone.
Created by: 1015568017