Final answer:
The failure of a medical assistant to properly explain the preparation for an EEG may result in the procedure having to be canceled and rescheduled.
Step-by-step explanation:
True, The failure of a medical assistant to properly explain the preparation for an Electroencephalogram (EEG) may indeed result in the procedure having to be canceled and rescheduled. The EEG is a test that measures and records the electrical activity of the brain. It requires certain preparations such as avoiding caffeine and certain medications, clean hair, and informing the patient about the procedure. If the medical assistant fails to adequately explain these preparations to the patient, the patient may unknowingly consume caffeine or fail to properly clean their hair, which can interfere with the accuracy of the test. In such cases, the procedure may need to be rescheduled to ensure reliable results.