Medca EKG Practice Questions And Answers.

Medca EKG Practice Questions And Answers. A device on the skin that picks up electrical impulses given off by the heart is known as - Answer electrode The heart is located - Answer on the left side of the chest The body returns oxygen-poor blood to the heart via the - Answer vena cavae In lead l, activity of the heart is being measured from - Answer the right arm to the left arm The human heart weighs approximately - Answer 11 ounces What position should the patient be in for an ECG - Answer supine Where is the chest electrode V2 located - Answer at the fourth intercostal space at the left margin of the sternum Lead l, ll, lll are called - Answer standard leads The right and left atrium are the __________chambers - Answer receiving The atria contains what kind of blood - Answer both oxygenated and deoxygenated blood The __________ valve separates the left ventricle from the aorta - Answer aortic The __________ regulate the flow of blood into and out of the proper chambers - Answer valves.