Respuesta :
To check for bone conduction of sound waves in the tested ear, the nurse should place the stem of the vibrating tuning fork on the mastoid area behind the ear.
Explain mastoid of the ear:
The posterior (rear) portion of the temporal bone, one of the skull's bones, is called the mastoid portion. Numerous muscles can be attached to it (through tendons) thanks to its rough surface, which also possesses blood vessel holes. The mastoid portion articulates with two other bones from its edges.
For articulation with the mastoid angle of the parietal, the upper border of the mastoid section is large and serrated.
Between the lateral angle and jugular process, the posterior border, which is likewise serrated, articulates with the inferior border of the occipital.
The mastoid section enters into the creation of the ear canal and tympanic cavity below and is united anteriorly with the descending process of the squama above.
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