What is an abr Study guides, Class notes & Summaries

What is an ABR? - ️️Electrical potential (far field) generated by a transient stimulus which generates synchronous firing of auditory neurons in auditory nerve and brainstem. What is recorded, how long does it take for the ABR waves occur and how long is test time? - ️️Seven waves - wave I, III and V are most important Occur withn 15ms of stimulus onset (generally within 12ms) Test time is 20-30 mins in a cooperative subject. Name the first five wave generator sites. - ️️Wav...

Hair cells Cochlear microphonics are used to monitor what? Increase in delta power and increase in alpha-beta power What is the effect on EEG from induction using isoflurane? A. Decreased delta followed by increased alpha/beta B. Increase in delta power and increase in alpha-beta power C. Increase in low-voltage fast activity D. Increased power at all frequencies Brainpower Read More limb length What determines the latency of SSEPs most? Lowering the impedances of...

MN 566 Final Exam Questions With Correct Answers Latest Updated 2024 (GRADED A+) The clinician is assessing a patient complaining of hearing loss. The clinician places a tuning fork over the patient’s mastoid process, and when the sound fades away, the fork is placed without restriking it over the external auditory meatus. The patient is asked to let the clinician know when the sound fades away. This is an example of which type of test? Question 1 options: a) Weber test b) Schwabach te...

What are the console settings for out-of-band (OOB) - Answer The switches use default settings for the terminal emulation software: •9600 bps •8 data bits •No parity •1 stop bit •No flow control Switch modules come in two forms. Which switch forms supports port name "a39"? - Answer Module Switch come in fix and module. Modular switches support alphanumeric naming i.e. interface <slot_letter><1-24> What aos command will allow you to configure ports 1, and 4 thr...

During a scoliosis surgery, you recognize a gradual latency increase of 3.5 msec in the PTN cortical response, the subcortical response appears to be shifted out almost as much. All response amplitudes are unchanged. What is the appropriate action to take? a. Ignore the change, it means nothing. b. Inform the surgeon immediately that changes consistent with spinal cord injury may have occurred. Recommend a wake up test. c. Check the latencies of the PF and MN responses to see if they are also sh...

Hair cells Cochlear microphonics are used to monitor what? Increase in delta power and increase in alpha-beta power What is the effect on EEG from induction using isoflurane? A. Decreased delta followed by increased alpha/beta B. Increase in delta power and increase in alpha-beta power C. Increase in low-voltage fast activity D. Increased power at all frequencies limb length What determines the latency of SSEPs most? Lowering the impedances of ground and stimulating e...

What is AEP Correct Answer and auditory evoked potential What does ABR measure Correct Answer the series of "neuroelectric events" that represent sound traveling to the brain There is an immediate electrical response in the cochlea when Correct Answer a sound is introduced to the ear As the signal is propagated along the auditory pathway, it encounters Correct Answer a number of "relay stations" Time elapses as the signal Correct Answer travels between these relay stations on its...

Nurs 620 Maryville University Exam 1 Practice Quizzes In treating a patient with allergic conjunctivitis, the most appropriate treatment option is: a) Bacitracin-polymyxin b) Corticosteroid ophthalmic drops c) Opthalmological antihistamines d) Cromolyn ophthalmic drops - c) Opthalmological antihistamines The clinician is assessing a patient complaining of hearing loss. The clinician places a tuning fork over the patient's mastoid process, and when the sound fades away, the fork is...

Texas Principles 2 Exam Practice Latest Questions and Answers Champions School of Real Estate Verified. Texas Principles 1 Exam Practice Questions - Champions School of Real Estate 1. a: BOMA's major concern is advocacy on the part of: (a) Building owners and managers (b) Landlords and tenants(c) Employment law and managers (d) None of these are correct 2. a: The _________ combines the elements of the Good Faith Estimate form and the initial Truth in Lending disclosure. (a) Loan Estimate...

Audiology Praxis Practice Test Questions and Answers 100% Pass The caloric test is designed to stimulate which of the following structures? · Utricle · Saccule · SSC · Posterior SSC · Lateral SSC - Correct Answer ️️ -lateral SSC An audiologist fits a young woman with binaural BTE hearing aids three weeks ago. The patient reports that the devices have provided suitable amplification in most environments, but she complains that low level ambient noise has been distracting. In a...