A medical assistant is performing a body fat measurement on a patient. Which of the following areas should the assistant use to obtain an accurate measurement

A. Computerized physician order entry: Computerized physician order entry (CPOE) is used by providers to enter and manage orders for tests, medications, and treatments, not for patient requests.
B. Patient portal: A patient portal is a feature of an electronic health record that allows patients to request refills, schedule appointments, and access their health information online.
C. Prescribing guide: A prescribing guide helps providers make decisions about medications but does not allow patients to make requests.
D. Computer on wheels: A computer on wheels (COW) is a mobile workstation used by healthcare providers for various tasks but does not directly facilitate patient requests.

A. Alternating current (AC) interference: AC interference is caused by electrical equipment near the EKG machine and appears as uniform, small, rapid spikes. It is not caused by patient movement.
B. Arrhythmia: An arrhythmia refers to an abnormal heart rhythm and is related to cardiac function, not patient movement.
C. Somatic tremor: Somatic tremor is caused by voluntary or involuntary muscle movement, such as a patient moving their arm, which creates artifact on the EKG tracing that appears as irregular, erratic spikes.
D. Interrupted baseline: An interrupted baseline occurs when the electrical connection is lost, often due to a lead falling off, not due to patient movement.