A client is scheduled for a challenge test. Which of the following would a nurse include when explaining this test to the client?
A) Intravenous administration of a substance to induce symptoms
B) Application of electrodes to the scalp for monitoring
C) Evaluation of electrical impulses recorded on graph paper
D) Exposure to a flashing strobe light to elicit abnormal activity
Ans: A
A challenge test is usually conducted by intravenously administering a chemical known to produce a specific set of psychiatric symptoms. The application of electrodes for monitoring and the evaluation of electrical impulses recorded on graph paper are involved with electroencephalography (EEG). Using a flashing strobe light may be used to gather additional information when EEG is done.
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