FREE CNIM Vascular Surgeries Questions and Answers

Question 1

What is the primary purpose of neurophysiological intraoperative monitoring (NIOM) during vascular surgeries?

Accepted Answer

To monitor neural pathways and prevent ischemic damage to the nervous system

Answer

To measure the patient's blood pressure

Answer

To manage the patient's pain levels

Answer

To ensure the sterility of the surgical field

Question 2

Which modality is commonly used in NIOM to assess cerebral perfusion during carotid endarterectomy?

Accepted Answer

Transcranial Doppler (TCD) ultrasonography

Answer

Transcranial motor evoked potentials (TcMEPs)

Answer

Somatosensory evoked potentials (SSEPs)

Answer

Brainstem auditory evoked potentials (BAEPs)

Question 3

During abdominal aortic aneurysm (AAA) repair, which monitoring technique is most relevant to assess spinal cord integrity?

Accepted Answer

Somatosensory evoked potentials (SSEPs)

Answer

Electroencephalography (EEG)

Answer

Electromyography (EMG)

Answer

Visual evoked potentials (VEPs)

Question 4

What does a significant drop in SSEPs during vascular surgery indicate?

Accepted Answer

Potential ischemic injury to the monitored pathways

Answer

Improved neural function

Answer

Increased muscle activity

Answer

Hemodynamic stability

Question 5

What type of anesthesia is preferred for optimal NIOM results during vascular surgery?

Accepted Answer

Total intravenous anesthesia (TIVA)

Answer

Inhalational anesthesia

Answer

Local anesthesia

Answer

Regional anesthesia

Question 6

Which monitoring modality can be used to assess cerebral function during vascular surgeries involving the aortic arch?

Accepted Answer

Near-infrared spectroscopy (NIRS)

Answer

Free-running EMG

Answer

Visual evoked potentials (VEPs)

Answer

Auditory evoked potentials (AEPs)

Question 7

What action should be taken if there is a sudden loss of motor evoked potentials (MEPs) during a vascular procedure?

Accepted Answer

Immediately notify the surgical team

Answer

Increase the patient's anesthetic dose

Answer

Wait for 10 minutes and recheck the signals

Answer

Turn off the monitoring equipment

Question 8

Which factor can most significantly affect the quality of NIOM signals during vascular surgery?

Accepted Answer

Type of anesthesia used

Answer

Surgeon’s experience

Answer

Patient's age

Answer

Surgical duration

Question 9

What is the primary goal of continuous EEG monitoring during aortic arch surgery?

Accepted Answer

To monitor cerebral cortical activity and detect ischemia

Answer

To ensure the patient is adequately sedated

Answer

To evaluate motor function

Answer

To assess brainstem reflexes

Question 10

During carotid endarterectomy, which type of monitoring is most critical for assessing the functional integrity of the cortex?

Accepted Answer

Electroencephalography (EEG)

Answer

Brainstem auditory evoked potentials (BAEPs)

Answer

Transcranial Doppler (TCD) ultrasonography

Answer

Somatosensory evoked potentials (SSEPs)