Page 373 - Saunders Comprehensive Review For NCLEX-RN
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any physical obstruction to the
                                                                transmission of sound waves.
                                                             e. Sensorineural hearing loss is caused by
                                                                a defect in the cochlea, eighth cranial
                                                                nerve, or the brain itself.
                                                             f. A mixed hearing loss is a combination
                                                                of a conductive and sensorineural
                                                                hearing loss; it results from problems
                                                                in both the inner ear and the outer ear
                                                                or middle ear.
                                             4. Voice (Whisper) test
                                                             a. Used to determine whether hearing loss
                                                                has occurred
                                                             b. One ear is tested at a time (the ear not
                                                                being tested is occluded by the client).
                                                             c. The nurse stands 1 to 2 feet (30 to 60
                                                                cm) from the client, covers his or her
                                                                mouth so that the client cannot read
                                                                the lips, exhales fully, and softly
                                                                whispers 2-syllable words in the
                                                                direction of the unoccluded ear; the
                                                                client points a finger up during the test
                                                                when the nurse’s voice is heard (a
                                                                ticking watch may also be used to test
                                                                hearing acuity).
                                                             d. Failure to hear the sounds could
                                                                indicate possible fluid collection
                                                                and/or consolidation, requiring further
                                                                assessment.
                                             5. Watch test
                                                             a. A ticking watch is used to test for high-
                                                                frequency sounds.
                                                             b. The examiner holds a ticking watch
                                                                about 5 inches (12.5 cm) from each ear
                                                                and asks the client if the ticking is
                                                                heard.
                                             6. Tuning fork tests
                                                             a. Used to measure hearing on the basis of
                                                                air conduction or bone conduction;
                                                                includes the Weber’s and Rinne’s tests.
                                                                These tests are not commonly used
                                                                because of their limited sensitivity to
                                                                detect hearing loss.
                                             7. Vestibular assessment (Box 12-6)
                                             8. Otoscopic exam








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