Question 1
Which of the following is NOT true about how the heart's electrical impulses result in the printed EKG?
◦ The heart impulses are sent through a microphone.
◦ Electrodes send the signal through a cable to an amplifier in the EKG machine.
◦ A digital converter changes the analog signal to a digital one.
◦ Heart's impulses are picked up by electrodes on the skin.
Question 2
To minimize artifact, what must be done?
◦ Attach electrode patches securely
◦ Tell the patient not to breathe during the EKG
◦ Tell the patient not to move during the EKG
◦ All but B