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1. Question
A client is scheduled for an outpatient electroencephalogram (EEG). A nurse instructs the client to prepare for the test by:
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In an EEG, electrodes are placed on the scalp over multiple areas of the brain to detect and record patterns of electrical activity. Preparation includes clean hair without any objects in the hair to prevent inaccurate test results. The client should not be NPO (nothing per mouth) since a usual glucose level is important for normal brain functioning. The scalp will not be shaved; the electrodes are applied with paste. There is no indication to have a serum glucose drawn before the test.
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Answer & Rationale:
ANSWER: 1
In an EEG, electrodes are placed on the scalp over multiple areas of the brain to detect and record patterns of electrical activity. Preparation includes clean hair without any objects in the hair to prevent inaccurate test results. The client should not be NPO (nothing per mouth) since a usual glucose level is important for normal brain functioning. The scalp will not be shaved; the electrodes are applied with paste. There is no indication to have a serum glucose drawn before the test.
Why EEG is used,
An EEG is mainly used when there is a need to diagnose and manage epilepsy.
It can also be used to investigate other conditions such as encephalitis, dementia, head injuries, brain tumors, hemorrhage.
An EEG can identify areas of the brain that are not working properly.
EEGs are also used to determine the level of brain function in people who are in a coma.