SSEPs - Part 2 Exam Questions &
Answers (Grade A+)
For preoperative posterior tibial SEPS, which of the following would
be the best ipsilateral location for the ground electrode?
A- Palm
B- Calf
C- Shoulder
D- Forearm -
correct answer ✅B
To record the afferent volley after posterior tibial nerve stimulation,
an electrode should be placed on the
A- Erbs point
B- Index finger
C- T5 Spine
D- Mastoid -
correct answer ✅C
An increase in stimulation intensity causes a linear increase of
which of the following SSEP components?
A- P37
B- N20
C- N45
,SSEPs - Part 2 Exam Questions &
Answers (Grade A+)
D- P31 -
correct answer ✅D
In a median nerve preop study, a patient has discomfort at the
wrist. Stim electrodes are 10mm gold disk, stim intensity is 20mA,
and stim duration is 100usec. Which of the following would most
likely reduce the pts discomfort while maintaining adequate stim?
A- Use smaller stimulating electrodes
B- Decrease number of repetitions
C- Decrease stimulus intensity below motor threshold
D- Increase stimulus duration -
correct answer ✅B
In spinal surgery, the primary purpose of the popliteal fossa
recording electrode is to
A- Provide evidence of a muscle twitch
B- Limit current spread
C- Confirm amplifier integrity
D- Verify adequacy of stimulus -
correct answer ✅D
,SSEPs - Part 2 Exam Questions &
Answers (Grade A+)
While performing a posterior tibial SSEP, hypothermia of the lower
extremities is most likely to cause
A- Abnormal prolongation of the P37‐N45 complex
B- Slowed peripheral conduction velocity
C- Increased T12‐P37 latency
D- Increased L3‐P37 latency -
correct answer ✅B
Which of the following peaks in tibial nerve SSEPs is most
comparable to P14 of median nerve SSEP?
A- N20
B- P31
C- N34
D- P37 -
correct answer ✅B
During carotid endarterectomy, what SSEP modality is
recommended for monitoring cerebral function?
A- Femoral
B- Posterior tibial
C- Median
, SSEPs - Part 2 Exam Questions &
Answers (Grade A+)
D- Common peroneal -
correct answer ✅C
SSEPs to posterior tibial nerve stimulation are most appropriate to
monitor during surgery for
A- Hemifacial spasm
B- Middle cerebral artery aneurysm
C- Scoliosis
D- Cerebellar pontine angle tumor -
correct answer ✅C
A post incision baseline recording is used to
A- Compare patient's values to laboratory normative data
B- Determine long‐term prognosis
C- Evaluate hemodynamic status
D- Establish a standard for the patient -
correct answer ✅D
Which of the following would most likely be normal in the pre-
operative baseline upper extremity SSEP of a patient with a lesion
in the dorsal column?
Answers (Grade A+)
For preoperative posterior tibial SEPS, which of the following would
be the best ipsilateral location for the ground electrode?
A- Palm
B- Calf
C- Shoulder
D- Forearm -
correct answer ✅B
To record the afferent volley after posterior tibial nerve stimulation,
an electrode should be placed on the
A- Erbs point
B- Index finger
C- T5 Spine
D- Mastoid -
correct answer ✅C
An increase in stimulation intensity causes a linear increase of
which of the following SSEP components?
A- P37
B- N20
C- N45
,SSEPs - Part 2 Exam Questions &
Answers (Grade A+)
D- P31 -
correct answer ✅D
In a median nerve preop study, a patient has discomfort at the
wrist. Stim electrodes are 10mm gold disk, stim intensity is 20mA,
and stim duration is 100usec. Which of the following would most
likely reduce the pts discomfort while maintaining adequate stim?
A- Use smaller stimulating electrodes
B- Decrease number of repetitions
C- Decrease stimulus intensity below motor threshold
D- Increase stimulus duration -
correct answer ✅B
In spinal surgery, the primary purpose of the popliteal fossa
recording electrode is to
A- Provide evidence of a muscle twitch
B- Limit current spread
C- Confirm amplifier integrity
D- Verify adequacy of stimulus -
correct answer ✅D
,SSEPs - Part 2 Exam Questions &
Answers (Grade A+)
While performing a posterior tibial SSEP, hypothermia of the lower
extremities is most likely to cause
A- Abnormal prolongation of the P37‐N45 complex
B- Slowed peripheral conduction velocity
C- Increased T12‐P37 latency
D- Increased L3‐P37 latency -
correct answer ✅B
Which of the following peaks in tibial nerve SSEPs is most
comparable to P14 of median nerve SSEP?
A- N20
B- P31
C- N34
D- P37 -
correct answer ✅B
During carotid endarterectomy, what SSEP modality is
recommended for monitoring cerebral function?
A- Femoral
B- Posterior tibial
C- Median
, SSEPs - Part 2 Exam Questions &
Answers (Grade A+)
D- Common peroneal -
correct answer ✅C
SSEPs to posterior tibial nerve stimulation are most appropriate to
monitor during surgery for
A- Hemifacial spasm
B- Middle cerebral artery aneurysm
C- Scoliosis
D- Cerebellar pontine angle tumor -
correct answer ✅C
A post incision baseline recording is used to
A- Compare patient's values to laboratory normative data
B- Determine long‐term prognosis
C- Evaluate hemodynamic status
D- Establish a standard for the patient -
correct answer ✅D
Which of the following would most likely be normal in the pre-
operative baseline upper extremity SSEP of a patient with a lesion
in the dorsal column?
