
ECG

Quiz
•
Professional Development
•
Professional Development
•
Medium
Christy Raj
Used 34+ times
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15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What features make cardiac cells
different than other cells in the body?
automaticity
excitability and conductivity
contractility
all of the above
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which is the primary cardiac pacemaker?
atrio-ventricular node
junctional node
sino-atrial node
Purkinje fibers
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
When electrical stimulation spreads
throughout the heart, this is known a
automaticity
depolarization
repolarization
cardiogenic shock
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
After contraction, the cardiac cells return
to resting state. This process is called
depolarization
repolarization
asystole
pulseless electrical activity
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The smallest box on an ECG strip
represents how much time?
0.02 seconds
0.04 seconds
0.2 seconds
0.4 seconds
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The big box on an ECG strip represents
how much time?
0.02 seconds
0.04 seconds
0.2 seconds
0.4 seconds
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A PR interval is usually how long?
0.04 – 0.12 seconds
0.12 – 0.2 seconds
> 0.2 seconds
1 second
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