2024 CNIM EEG Exam New Full Questions and Answers ( Included ) 100% Correct
- EEG burst suppression may result from what?
Answer: Isoflurane 1.7%
- For patients showing clamp-related changes during carotid endarectomy, 80% of the
changes appear within the..
Answer: First 60 seconds
- Spectral analysis of raw EEG data displays power as an upward deflection and...
Answer: Frequency as a linear display across the epoch line
- A patient without collateral blood supply during a CEA can suffer a postoperative deficit if
the lack of blood flow is not resolved in less than...
Answer: 10 mins
- What will cause burst-suppression on EEG?
Answer: Barbiturates
- Most strokes associated with carotid endarterectomy occur...
Answer: After the cross-clamp is released
- During a left carotid endarterectomy, what change is commonly seen during cross-clamping?
Answer: Unilateral decrease of median nerve amplitude.
- EEG waves with a frequency of 5 Hz can be classified as what type of EEG?
Answer: Theta activity
- Delta Waves
Answer:
Less than 4 Hz High amplitude waves Adult slow-wave sleep
- Theta
Answer: 4-7 Hz
- Alpha 1 / 2
Answer: 8-15 Hz
Relaxed
- Beta
Answer: 16-31 Hz
Active thinking
- Gamma
Answer: Greater than 32 Hz
- Normal EEG activity in wakeful adults...
Answer: Primarily alpha and beta activity
- Epileptiform discharges in a bipolar linked chain are localized by...
Answer: A phase reversal between two channels
- The layer of brain cells believed to be responsible for EEG is...
Answer: Layer III pyramidal cells of the cerebrum
- EEG monitoring during a carotid endarterectomy can detect...
Answer:
Hypotension
Occlusion-associated ischemia Hypoxia Selective shunting
CANNOT detect heparin dosage
- Spectral edge is a function of...
Answer: Power and frequency vs. time
- Spectral Edge
Answer: Frequency below which x percent of the total power of a given signal are located.
- Methods use to monitor brain perfusion during carotid endarterectomy include...
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