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Cochlear Implants and Children with Vestibular Impairments, presented in partnership with Seminars in Hearing

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1.  Which etiology of sensorineural hearing loss is not typically associated with concurrent vestibular impairment? Congenital Cytomegalovirus Meningitis Usher Syndrome Type 1 Homozygous mutation in Connexin 26 (GJB2 mutations)

2.  On average a child with congenital bilateral vestibular loss will develop the balance skills of what age child? 18 month old 2 and a half year old 3 year old 4 and a half year old

3.  Which method is not suitable for assessing horizontal canal function? Head thrust test Rotatory chair test vHIT SVV

4.  Vestibular impairment should be considered in a 5-year-old child if they cannot do which of the following: Stand on one foot with their eyes closed for more than 4 seconds. Stand on one foot with their eyes open for 15 seconds. Stand on one foot with their eyes closed for more than 8 seconds. Perform the Romberg with eyes closed and a jendrassik maneuver.

5.  Which of the following may be associated with vestibular impairment in a child? Poor head control at 4 months Unable to sit unsupported at 6 months Unable to walk independently at 15 months Unable to crawl by 9 months

6.  Which of the following are risk factors for the development of cochlear implant failure? Vestibular impairment Device migration Blunt trauma All of the above

7.  How many vestibular end organs are there? 2 3 4 5

8.  What is the most common associated deficit in the setting of SNHL? Renal dysfunction Long QT syndrome Visual impairment Vestibular dysfunction

9.  Delays in motor milestones can result from: Vestibular impairment Hearing loss Neurologic disorder All of the above

10.  If a child has an abnormal horizontal head thrust test, where is the deficit? Superior semicircular canal Saccule Horizontal (lateral) semicircular canal Utricle