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CNIM electrocochleogram - correct answer consists of electrical responses of the cochlea and the auditory nerve to acoustic stimulation. (1) the cochlear microphonic; (2) the summating potential; and (3) the auditory nerve compound action potential (AP). - correct answer electrocochleogram i...

Complete CNIM Study Guide with Practice Questions When should you use SSEPs? Use SSEP's for every case Where do you stimulate for UE SSEPs? Ulnar Nerve - any surgery below the C4 level Median Nerve - any surgery above the C4 level Brainpower Read More Where do you stimulate for ...

CNIM apparently on the actual testAn increase in stimulation intensity causes a linear increase of which of the following SSEP components? 1. N20 2. N45 3. P31 4. P37 - correct answer 3. P31 Epidural electrodes are made of platinum because 1. It is the most durable metal 2. It is the lowes...

CNIM Guidelines - Practice QuestionsWhat is the maximum allowable chassis leakage current? a) 10 mA b) 20 mA c) 0.1 mA d) 10 mA - correct answer C What is the maximum allowable leakage current from the isolated amplifier inputs through the patient leads? a) 10 uA b) 100 uA c) 1 mA d) 10 ...

CNIM Review - SSEP PTN peak analogous to P14 of Median N SSEP - correct answer P31 in SSEP monitoring during spinal cord surgery, an epidural electrode is placed caudal to the surgical site is used to - correct answer verify adequate stimulation to record to afferent volley after PTN stimul...

BAEPs - CNIMBAEPs - correct answer -Brainstem auditory evoked potentials. -Affected by pathologic and non-pathologic factors. Non-Pathologic Factors - correct answer -Knowing how non-pathologic factors like anesthetic, temperature, filter settings, and stimulus settings affect the BAEP will le...

CNIM Practice Exam 1During a median nerve preoperative study, a patient has discomfort at the wrist. Stimulation electrodes are 10 mm gold disk, stimulus intensity is 20 mA, and stimulus duration is 100 μsec. Which of the following would most likely reduce the patient's discomfort while maintainin...

CNIM - Electrical Safety and Infection Control To protect the patient from inadvertent shock during power-on and power-off, the max leakage current through patient leads should be... - correct answer 10 micro amps An average individual sheds skin at the rate of approximately... - correct answe...

CNIM - SSEPWhen recording a PTN SSEP, the Fpz-Cs5 channel records... - correct answer N34 Subcortical far-field potentials In the 10-20 system of electrode placement, the point 20% (of the nasion-ion distance) anterior to Cz is called... - correct answer Fz An electrode measured 20% later...

CNIM - ABRET Practice Exam QuestionsCavities inside the skull - correct answer Anterior/middle/posterior fossa Cranial bones - correct answer Frontal, occipital, sphenoid, ethmoid (unpaired). Parietal & temporal (paired). Mental protuberance - correct answer chin bone MCA supply of the c...

Kent CNIM Review - ABR List the sound intensity scales - correct answer dB SPL dB HL dB nHL dB SL dB peSPL What is dB SPL? - correct answer SPL = sound pressure level Sound intensity based on a physical measure of sound pressure relative to atmospheric pressure. What is the equation...

CNIM TEST QUESTIONS What is the most prominent EEG characteristic of Isoflurane at low-moderate concentration? - correct answer Power peaks within the 8-12Hz Band The ascending fibers of the cuneate nucleus and gracilize nucleus cross over the medulla to form what structure? - correct answer M...

CNIM - Brainstem Auditory Evoked PotentialsIn the operating room, we are mostly concerned with... - correct answer Short-latency, subcortical responses. Why run BAEPs? - correct answer To monitor the integrity of the auditory nerve, and often as a marker of brainstem health, Auditory Pathway...

CNIM - Signs and Syndromes Spondylolisthesis - correct answer Forward movement of the body of one of the lower lumbar vertebrae on the vertebrae below it, or upon the sacrum Ataxia - correct answer Inability to perform coordinated movements Charcot-Marie-Tooth disease typically includes the...