MEDCA EKG Technician Exam Practice Questions
1. A device on the skin that
picks up electrical impulses electrode
given off by the heart is
known as
2. The heart is located on the left side of the chest
3. The body returns oxygen- vena cavae
poor blood to the heart via
the
4. In lead l, activity of the heart the right arm to the left arm
is being measured from
5. The human heart weighs approx- 11 ounces
imately
6. What position should the patient supine
be in for an ECG
7. Where is the chest electrode at the fourth intercostal space at the left
V2 located
margin of the sternum
8. Lead l, ll, lll are called standard leads
9. The right and left atrium are receiving
the
chambers
both oxygenated and deoxygenated blood
10. The atria contains what kind
of blood
aortic
11. The valve separates
the left ventricle from the
aorta
12. valves
1/
6
, MEDCA EKG Technician Exam Practice Questions
The regulate the flow
of blood into and out of the
prop- er chambers
13. Which electrode is used right leg
as a ground reference
14. The standard ECG consists
of how many leads 12
15. The contraction of the
heart muscle is cause by electrical impulse
the flow of
through the muscle tissue
16. The pressure is the
pressure inside the arteries
dur- ing ventricular
contraction; when blood is systolic
pumped from the heart to the
body
17. The ECG tracing should be
per- formed in a quiet
environment because
interference is minimized
18. (True or False) The ECG
records the actual image of
the heart
false
19. The hardest working chamber
if the heart is the
20. What is the term used toleft ventricle
refer to an
electrocardiogram that is
within normal limits
normal sinus rhythm
2/
6
1. A device on the skin that
picks up electrical impulses electrode
given off by the heart is
known as
2. The heart is located on the left side of the chest
3. The body returns oxygen- vena cavae
poor blood to the heart via
the
4. In lead l, activity of the heart the right arm to the left arm
is being measured from
5. The human heart weighs approx- 11 ounces
imately
6. What position should the patient supine
be in for an ECG
7. Where is the chest electrode at the fourth intercostal space at the left
V2 located
margin of the sternum
8. Lead l, ll, lll are called standard leads
9. The right and left atrium are receiving
the
chambers
both oxygenated and deoxygenated blood
10. The atria contains what kind
of blood
aortic
11. The valve separates
the left ventricle from the
aorta
12. valves
1/
6
, MEDCA EKG Technician Exam Practice Questions
The regulate the flow
of blood into and out of the
prop- er chambers
13. Which electrode is used right leg
as a ground reference
14. The standard ECG consists
of how many leads 12
15. The contraction of the
heart muscle is cause by electrical impulse
the flow of
through the muscle tissue
16. The pressure is the
pressure inside the arteries
dur- ing ventricular
contraction; when blood is systolic
pumped from the heart to the
body
17. The ECG tracing should be
per- formed in a quiet
environment because
interference is minimized
18. (True or False) The ECG
records the actual image of
the heart
false
19. The hardest working chamber
if the heart is the
20. What is the term used toleft ventricle
refer to an
electrocardiogram that is
within normal limits
normal sinus rhythm
2/
6
