A Patient Is Told That a Baseline Electrocardiogram (ECG) Is

A patient is told that a baseline electrocardiogram (ECG) is necessary before surgery. Which of the following instructions by the nurse is best?

A) "You will need to have nothing to eat or drink for 4 hours before the test."
B) "The test involves attaching 10 small electrodes to your chest, arms, and legs to measure electrical impulses of your heart."
C) "After they attach a number of wires to your body, you will feel a small jolt of electricity."
D) "You will not be able to drive for at least 6 hours after the test, so it is important to have someone along with you to provide transportation."