Ipsilateral Right: Normal Abnormal

1. What type of reflex pattern would you expect to find in case of patient with a normal right ear and a lesion in the cochlear nucleus in the left ear? Ipsilateral right: Normal Abnormal Ipsilateral left: Normal Abnormal Contralateral right: Normal Abnormal Contralateral left: Normal Abnormal

2. What type of reflex pattern would you expect to find in case of patient with a normal right ear and a lesion in the facial nerve in the left ear? Ipsilateral right: Normal Abnormal Ipsilateral left: Normal Abnormal Contralateral right: Normal Abnormal Contralateral left: Normal Abnormal

3. What type of reflex pattern would you expect to find in case of patient with a conductive loss in the right ear and a profound cochlear sensorineural hearing loss in the left ear? Ipsilateral right: Normal Abnormal Ipsilateral left: Normal Abnormal Contralateral right: Normal Abnormal Contralateral left: Normal Abnormal

4. Joe goes to the audiologist saying he has trouble hearing in his right ear. The audiologist finds the following: Type A tympanogram, normal distortion-product otoacoustic emissions, and absent ipsilateral right ear acoustic reflexes. What diagnosis will the audiologist probably make for Joe’s right ear? a. Normal hearing b. Conductive hearing loss c. Sensorineural hearing loss due to a lesion in the cochlea d. Sensorineural hearing loss due to a retrocochlear lesion

5. Jane’s right tympanic membrane is ruptured following a severe ear infection. Her right sensorineural mechanism is normal. Which of the following statements is true? a. Jane will have a B type tympanogram b. Ipsilateral right ear acoustic reflexes will be absent c. Distortion-product otoacoustic emissions will be absent. d. All of the above

ANSWERS

1. What type of reflex pattern would you expect to find in case of patient with a normal right ear and a lesion in the cochlear nucleus in the left ear? Ipsilateral right: Normal Abnormal Ipsilateral left: Normal Abnormal Contralateral right: Normal Abnormal Contralateral left: Normal Abnormal 2. What type of reflex pattern would you expect to find in case of patient with a normal right ear and a lesion in the facial nerve in the left ear? Ipsilateral right: Normal Abnormal Ipsilateral left: Normal Abnormal Contralateral right: Normal Abnormal Contralateral left: Normal Abnormal

3. What type of reflex pattern would you expect to find in case of patient with a conductive loss in the right ear and a profound cochlear sensorineural hearing loss in the left ear? Ipsilateral right: Normal Abnormal Ipsilateral left: Normal Abnormal Contralateral right: Normal Abnormal Contralateral left: Normal Abnormal

4. Joe goes to the audiologist saying he has trouble hearing in his right ear. The audiologist finds the following: Type A tympanogram, normal distortion-product otoacoustic emissions, and absent ipsilateral right ear acoustic reflexes. What diagnosis will the audiologist probably make for Joe’s right ear? a. Normal hearing (absent reflexes, has trouble hearing) b. Conductive hearing loss (Type A tympanogram, normal OAE) c. Sensorineural hearing loss due to a lesion in the cochlea (normal OAE) d. Sensorineural hearing loss due to a retrocochlear lesion

5. Jane’s right tympanic membrane is ruptured following a severe ear infection. Her right sensorineural mechanism is normal. Which of the following statements is true? a. Jane will have a B type tympanogram in her right ear b. Ipsilateral right ear acoustic reflexes will be absent c. Distortion-product otoacoustic emissions will be absent in the right ear d. All of the above