Teaching the Patient About an Electromyelogram (EMG) Should Include Which

Teaching the patient about an electromyelogram (EMG) should include which of the following? Select all that apply.

A) Do not smoke for several hours before the test.
B) Do not take any medication prior to this test without physician approval.
C) The test measures nerve conduction along pathways.
D) The test measures electrical activity of skeletal muscles at rest.
E) Fluids containing caffeine are permitted prior to the test.