EKG EXAM WITH CORRECT
ANSWERS 2025
1. Recording of electrocardiogram
electrical (ECG)
activity of the
heart
2. What does Provides pictorial presentation of atrial and
a ventricular cells
electrocardio-
gram (ECG)
pro- vide?
3. Myocardial
Depolarization *Contraction*
4. *R*epolarization Myocardial *R*elaxation
5. Blood spilling out Blood spilling out is *contraction* where the heart filling up
with
is blood is *relax-
, ation
where the *
heart filling
up with blood
is
6. "Normal" 50-100
Heart Rate bpm
7. <50
Bradycardia bmp
8. >100
Tachycardia bmp
9. A muscular Fibrillatio
twitching n
involv- ing
individual
muscle fibers
act- ing
without coor-
1 dination Fibrillatio
0. n 1/
11
, EKG EXAM WITH CORRECT
ANSWERS 2025
Fine, rapid
twitch- ing of
individ- ual
muscle fibers
with little or
no movement
of the muscle
as a whole
11. To move with
Flutter
quick wavering
1 or
Cardiac conduc- 1. Electrical impulse originates in
2. fl apping
SA node Compare
motions
tion system
to flutter of wings
or flutter in music 2. Right heart pumps through
3. Left heart pumps through
lungs
periphery
13. Simple Two electrodes located on ditterent sides of
Electrocardio the heart
- graphic Not a single wire connecting from the body but a combo of
Leads slide two wires and their electrodes to make a complete circuit
between the body and electrocardiograph
14. Why does a One of the most common questions regarding a 12-lead ECG
12 Lead EKG is why there are only 10 electrodes. It's important to fully
understand
only have 10 elec- means. whais
A lead t the termof"lead"
a view actually activity of the heart
the electrical
from a particular angle
trode across the body. Think of a lead as a picture of the heart and
s the 10 electrodes give you 12 pictures. In other words, a lead is
a picture that is captured by a group of electrodes.
2/
11
ANSWERS 2025
1. Recording of electrocardiogram
electrical (ECG)
activity of the
heart
2. What does Provides pictorial presentation of atrial and
a ventricular cells
electrocardio-
gram (ECG)
pro- vide?
3. Myocardial
Depolarization *Contraction*
4. *R*epolarization Myocardial *R*elaxation
5. Blood spilling out Blood spilling out is *contraction* where the heart filling up
with
is blood is *relax-
, ation
where the *
heart filling
up with blood
is
6. "Normal" 50-100
Heart Rate bpm
7. <50
Bradycardia bmp
8. >100
Tachycardia bmp
9. A muscular Fibrillatio
twitching n
involv- ing
individual
muscle fibers
act- ing
without coor-
1 dination Fibrillatio
0. n 1/
11
, EKG EXAM WITH CORRECT
ANSWERS 2025
Fine, rapid
twitch- ing of
individ- ual
muscle fibers
with little or
no movement
of the muscle
as a whole
11. To move with
Flutter
quick wavering
1 or
Cardiac conduc- 1. Electrical impulse originates in
2. fl apping
SA node Compare
motions
tion system
to flutter of wings
or flutter in music 2. Right heart pumps through
3. Left heart pumps through
lungs
periphery
13. Simple Two electrodes located on ditterent sides of
Electrocardio the heart
- graphic Not a single wire connecting from the body but a combo of
Leads slide two wires and their electrodes to make a complete circuit
between the body and electrocardiograph
14. Why does a One of the most common questions regarding a 12-lead ECG
12 Lead EKG is why there are only 10 electrodes. It's important to fully
understand
only have 10 elec- means. whais
A lead t the termof"lead"
a view actually activity of the heart
the electrical
from a particular angle
trode across the body. Think of a lead as a picture of the heart and
s the 10 electrodes give you 12 pictures. In other words, a lead is
a picture that is captured by a group of electrodes.
2/
11
