SSEP, MEP, and Interpretation Exam
Questions & Answers (Grade A+)
Of these upper SSEPs, which of the following peaks are considered
obligate? -
correct answer ✅B, D, I, J, K
In thoracolumbar surgery, monitoring upper extremity SSEPs: -
correct answer ✅Can identify malpositioning of the arms and
shoulders
A loss of popliteal fossa response could indicate: -
correct answer ✅Failure of stimulation
The most common monitoring change observed in ALIF surgery is: -
correct answer ✅Loss of left PTN responses (including all
channels)
Erb's point response is lost during an L4-S1 lumbar fusion. What
should be done? -
correct answer ✅Reposition the upper extremity
Examples of surgical manipulation would include: -
correct answer ✅Drilling and irrigation
, SSEP, MEP, and Interpretation Exam
Questions & Answers (Grade A+)
Above which dosage of Sevoflurane may TcMEP be eliminated? -
correct answer ✅0.01
MEPs to lower extremity are lost with preservation of SSEPs. Which
of the following could cause this? -
correct answer ✅Interruption of anterior spinal artery supply
The follow SSEPs were recorded during a L3-L5 PLIF. Baseline traces
are blue. What could explain the current data? -
correct answer ✅Cauda equina is retracted on the right
When used as an induction agent, which of the following drugs will
have the LEAST effect on the SSEPs? -
correct answer ✅Propofol
SSEPs are lost following sublaminar wire placement. However, MEPs
are preserved. What could explain this? -
correct answer ✅Disruption of posterior spinal arteries
What are the obligate peaks for lower extremity SSEPs? -
correct answer ✅LP, N34, P37
Questions & Answers (Grade A+)
Of these upper SSEPs, which of the following peaks are considered
obligate? -
correct answer ✅B, D, I, J, K
In thoracolumbar surgery, monitoring upper extremity SSEPs: -
correct answer ✅Can identify malpositioning of the arms and
shoulders
A loss of popliteal fossa response could indicate: -
correct answer ✅Failure of stimulation
The most common monitoring change observed in ALIF surgery is: -
correct answer ✅Loss of left PTN responses (including all
channels)
Erb's point response is lost during an L4-S1 lumbar fusion. What
should be done? -
correct answer ✅Reposition the upper extremity
Examples of surgical manipulation would include: -
correct answer ✅Drilling and irrigation
, SSEP, MEP, and Interpretation Exam
Questions & Answers (Grade A+)
Above which dosage of Sevoflurane may TcMEP be eliminated? -
correct answer ✅0.01
MEPs to lower extremity are lost with preservation of SSEPs. Which
of the following could cause this? -
correct answer ✅Interruption of anterior spinal artery supply
The follow SSEPs were recorded during a L3-L5 PLIF. Baseline traces
are blue. What could explain the current data? -
correct answer ✅Cauda equina is retracted on the right
When used as an induction agent, which of the following drugs will
have the LEAST effect on the SSEPs? -
correct answer ✅Propofol
SSEPs are lost following sublaminar wire placement. However, MEPs
are preserved. What could explain this? -
correct answer ✅Disruption of posterior spinal arteries
What are the obligate peaks for lower extremity SSEPs? -
correct answer ✅LP, N34, P37
