Which statement by a patient undergoing polysomnography indicates that more teaching is needed?
A) "An EEG is performed during the sleep study in order to detect any seizure activity."
B) "An EMG is performed during the sleep study to record muscle tension and relaxation."
C) "An EOG is performed during the sleep study to record eye movements."
D) "A nasal thermistor is used during the sleep study to measure nasal air flow."
A) "An EEG is performed during the sleep study in order to detect any seizure activity."
Explanation: A) While an EEG can detect seizure activity, in a sleep study or polysomnogram, it is performed to detect brain waves to identify sleep stages.
B) An EMG is done during a sleep study or polysomnogram to record muscle tension and relaxation.
C) An EOG is done during a sleep study or polysomnogram to record eye movement and is used to identify REM sleep.
D) A nasal thermistor is used during a sleep study or polysomnogram in order to measure nasal air flow to determine respirations.
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