EKG FINAL EXAM REVIEW WITH CORRECT
ANSWERS 2025
1. How can cardiac output be calculated? Stroke volume multiplied
by heart rate
2. Briefly
diac explain the Excitability properties of car- Ability
trical of the cells to
respond
cells. to elec- stimulation
3. What node is the natural pacemaker Sino Arial (SA)
that gen- erates 60-100 bpm? Node
4. The EKG Technician would place how
many leads to the chest and how 6 electrodes to the
many leads to the limb to obtain a 12 chest and 4 elec-
lead EKG? trodes to the limbs
5. Lead 3 is what kind of Bi-polar
lead? lead
6. What electrodes do you combine to LL and
form a Lead II? RA
7. Where are the V4 and V2 electrodes placed, on 5th intercostal space
at left midclavic-
a 12 lead ular line and 4th intercostal
EKG? space to left of sternum.
8. Which wave represents Ventricular T
Repolariza- tion?
wave
9. On a EKG graph, which wave represents
Atrial Depolarization? P
Wave
10. What is a normal P-R Interval 0.12-0.20 msec
11. Describe a 3rd degree (Complete) heart block? No association
between P waves and
QRS complexes
12.
1/
9
, EKG FINAL EXAM REVIEW WITH CORRECT
ANSWERS 2025
Describe what a loose electrode looks like Loose electrode: Artifact
on an EKG graph caused by in- suflceient
contact between the elec-
trode and the skin
13. What is the diagram Sinus rhythm with a
representing? wondering base- line
(Movement; poor electrode
con-
tact; Breathing)
14. How many BPM is the following EKG represent-
75 BPM ing?
15. Showing professional telephone Identifying yourself and your
etiquette in- cludes what? depart- ment whenever
placing or receiving a call.
16. How many electroleads are used in a
12 lead EKG? 10
Electrodes
17. What would a "T" Wave inversion
indicate on a EKG Graph? Ischemia (Labeled a NSTEMI;
18. What would be the duration of one large N on-ST Myocardial
Elevation
box on a EKG Graph? Infarction)
0.20
seconds
19. What is the normal paper speed from
an EKG machine?
2
5
m
m
2/
9 /
s
e
c
ANSWERS 2025
1. How can cardiac output be calculated? Stroke volume multiplied
by heart rate
2. Briefly
diac explain the Excitability properties of car- Ability
trical of the cells to
respond
cells. to elec- stimulation
3. What node is the natural pacemaker Sino Arial (SA)
that gen- erates 60-100 bpm? Node
4. The EKG Technician would place how
many leads to the chest and how 6 electrodes to the
many leads to the limb to obtain a 12 chest and 4 elec-
lead EKG? trodes to the limbs
5. Lead 3 is what kind of Bi-polar
lead? lead
6. What electrodes do you combine to LL and
form a Lead II? RA
7. Where are the V4 and V2 electrodes placed, on 5th intercostal space
at left midclavic-
a 12 lead ular line and 4th intercostal
EKG? space to left of sternum.
8. Which wave represents Ventricular T
Repolariza- tion?
wave
9. On a EKG graph, which wave represents
Atrial Depolarization? P
Wave
10. What is a normal P-R Interval 0.12-0.20 msec
11. Describe a 3rd degree (Complete) heart block? No association
between P waves and
QRS complexes
12.
1/
9
, EKG FINAL EXAM REVIEW WITH CORRECT
ANSWERS 2025
Describe what a loose electrode looks like Loose electrode: Artifact
on an EKG graph caused by in- suflceient
contact between the elec-
trode and the skin
13. What is the diagram Sinus rhythm with a
representing? wondering base- line
(Movement; poor electrode
con-
tact; Breathing)
14. How many BPM is the following EKG represent-
75 BPM ing?
15. Showing professional telephone Identifying yourself and your
etiquette in- cludes what? depart- ment whenever
placing or receiving a call.
16. How many electroleads are used in a
12 lead EKG? 10
Electrodes
17. What would a "T" Wave inversion
indicate on a EKG Graph? Ischemia (Labeled a NSTEMI;
18. What would be the duration of one large N on-ST Myocardial
Elevation
box on a EKG Graph? Infarction)
0.20
seconds
19. What is the normal paper speed from
an EKG machine?
2
5
m
m
2/
9 /
s
e
c
