CNIM Study guides, Class notes & Summaries

Answers A Graded You record a spinal potentialto: - ans --Establish an Action potential (AP) What drugs would you use for language mapping? - ans --Fentanyl D waves are recorded form which of the following electrodes? - ans --Epidural electrodes over the spinal cord. Horizontal Dipole: - ans --P14 What nerve roots are being monitored using the Peroneus longus muscle? - ans --L5-S2 Which is the main reason for measuring impedances of all electrodes? - ans --To evaluate the electro...

What is the minimum acceptable sweep for BAERs? - ans --10 ms The optimal repetition rate for intraoperative BAEPs is... - ans --31 Hz The peak equivalent SPL of a click should be calibrated at... - ans --1000 Hz Which potential will reverse with click polarity? - ans --Cochlear microphonic The most diagnostic part of the BAER is... - ans --I-V interpeak What would most likely result in an increased I-III interval? - ans --Vestibular Schwannoma The sound stimulus intensity at t...

CNIM PRACTICE QUESTIONS 2024 with Verified And Updated Answers A Graded

CNIM TEST QUESTIONS AND ANSWERS | LATEST 2024/25 | RATED A+

Which of the following electrode materials has little electrode potential drift and a long time constant? Tin Gold Silver Stainless steel - Gold A lab calibrated their 30db intensity to be 0db HL. If they stimulated a patient at 90db from their machines, what would be the stimulus intensity? 60 HL 60 SL 90 HL 90 HL - 60 HL. dB HL (hearing level): sound intensity compared to average threshold of hearing for normal listeners (dB HL is the scale used for BAEP recordings). READ the ques...

A foot drop is most likely to occur as a result of which of the following? A- Transection of S1-S3 nerve roots B- Transection of L1-L3 nerve roots C- Injury to posterior tibial nerve at the ankle D- Injury to sciatic nerve during acetabular fracture repair - D- Injury to sciatic nerve during acetabular fracture repair A left Brown Sequard syndrome will result in loss of: A- Left SSEP and right MEP B- Right SSEP and left MEP C- Right SSEP and right MEP D- Left SSEP and left MEP - D- Lef...

A lab calibrated their 30db intensity to be 0db HL. If they stimulated a patient at 90db from their machines, what would be the stimulus intensity? - 60 HL A pneumatic drill would introduce what kind of artifact? - 3000Hz A salt bridge would have which of the following effects? - Attenuation of SSEP amplitudes After median nerve stimulation, the N13 is generated at the: - Post-synaptic cervical cord After T12 laminectomy, the patient can move both lower extremities but has left upper extre...

A dorsal rhizotomy involves: A 100/100 pts Resection of the filum terminale Cutting motor roots Cutting sensory roots Removing a tumor - Cutting sensory roots A lab calibrated their 30db intensity to be 0db HL. If they stimulated a patient at 90db from their machines, what would be the stimulus intensity? A 100/100 pts 60 HL 60 SL 90 HL 90 HL - 60 HL A pneumatic drill would introduce what kind of artifact? A 0/100 pts 3000 Hz 500 Hz 60 Hz 1 Hz - 500 Hz A post incision basel...

"train" response - Which of the following most likely reflects sustained traction or compression of a nerve during EMG? 1 "burst" of neural activity 2 Any spontaneous EMG response 3 "train" response 4 Varying EMG activity +0.9 msec - Changing from standard headphones to foam insert transducers connected by plastic tubing will change the latency of wave 1 by about: 1 -0.5 msec 2 +0.5 msec 3 +0.9 msec 4 +2 msec 0.1 to 10 uV - Electrical amplitude of the SSEP is: 1 0.1 to 10 uV ...