Page 1944 - Saunders Comprehensive Review For NCLEX-RN

2. Interventions
a. All jewelry is removed.
b. Lead eye shields are used to cover the
cornea to diminish the radiation dose
to the eyes.
c. The client must remain still in a supine
position.
d. No follow-up care is required.
e. If contrast is to be used, assess for
allergies or previous response to
contrast.
B. Audiometry
1. Description
a. Audiometry measures hearing acuity.
b. Audiometry uses 2 types, pure tone
audiometry and speech audiometry.
c. Pure tone audiometry is used to
identify problems with hearing,
speech, music, and other sounds in the
environment.
d. In speech audiometry, the client’s
ability to hear spoken words is
measured.
e. After testing, audiographic patterns are
depicted on a graph to determine the
type and level of the hearing loss.
2. Interventions
a. Inform the client regarding the
procedure.
b. Instruct the client to identify the sounds
as they are heard.

C. Electronystagmography (ENG)

1. Description
a. ENG is a vestibular test that evaluates
spontaneous and induced eye
movements known as nystagmus.
b. ENG is used to distinguish between
normal nystagmus and medication-
induced nystagmus, or nystagmus
caused by a lesion in the central or
peripheral vestibular pathway.
c. ENG records changing electrical fields
with the movement of the eye, as
monitored by electrodes placed on the
skin around the eye.
2. Interventions
a. The client is instructed to remain NPO

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