BAEP Questions and Correct Answers

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BAEP Questions and Correct Answers
BAEP (brainstem auditory evoked potential) Ans: An electrical
response of the auditory pathway that occurs after an appropriate
acoustic stimulus

indications of BAEPs Ans: Multiple Sclerosis

• Structural lesions of the brainstem and posterior fossa

• Cerebellopontine angle tumors

• Acoustic Neuroma

• Meningioma

• Brainstem tumor

• Intraoperatively to monitor integrity of the auditory pathways
during tumor

removal

• In ICU settings, to aid in the assessment of patients after
traumatic, anoxic, or

ischemic coma




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auricle or pinna Ans: Appendage on the side of the head
surrounding the opening of the external auditory canal

external auditory canal Ans: tunnel extends from temporal bone
and ends at the tympanic membrane; directs sound to the eardrum

middle ear Ans: After sound travels through the outer ear and
hits the tympanic membrane, the sound wave moves through the
middle ear via the ossicles

ossicles Ans: Malleus (Hammer)

• End of malleus is attached to the tympanic membrane

• Head of the malleus is attached to the incus

• Incus (Anvil)

• Attached to the Stapes

• Stapes (Stirrup)

• Attached to the oval window, which separates the middle ear and
inner ear

malleus Ans: (hammer)end is attached to the tympanic membrane

head is attached to incus



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