SSEPs questions with correct answers

If the OR is very cold, what component of your median nerve SSEPs would you most likely expect to see changes in latency? a. N20 b. N13 c. N9 d. all waveforms - Answer all waveforms In posterior fossa craniotomy surgery for a large tumor with unilateral hearing loss, the appropriate modalities to monitor would be: a. contralateral BAER, median nerve SSEP, and facial nerve b. ipsilateral BAER and facial nerve c. facial nerve and contralateral median nerve d. ipsilateral BAER - Answer contralateral BAER, median nerve SSEP, and facial nerve What is the effect on SSEPs of 50 ug/kg fentanyl? a. increased latency, decreased amplitude b. no change c. decreased latency, increased amplitude d. slightly increased latency, no change in amplitude - Answer slightly increased latency, no change in amplitude In order to record cortical SSEPs during intraoperative monitoring of the thoracolumbar spinal cord, and electrode should be placed: a. 2 cm posterior to Pz b. 2 cm anterior to Cz c. 2 cm posterior to Cz d. 2 cm posterior to C3 and C4 - Answer 2 cm posterior to