
EKG Interpretation and Analysis

Interactive Video
•
Science, Biology
•
10th - 12th Grade
•
Easy

Jackson Turner
Used 3+ times
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the primary reason lead 2 is often used to assess heart rate and rhythm?
It measures the fastest heart rate.
It has the largest electrodes.
It provides a clear view of the P-wave.
It is the most complex lead.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How much time does each small box on the EKG represent?
0.08 seconds
0.06 seconds
0.04 seconds
0.02 seconds
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does the P-wave on an EKG represent?
Ventricular depolarization
Atrial depolarization
Ventricular repolarization
Atrial repolarization
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why does conduction slow down at the AB node?
The AB node uses fast sodium channels.
The AB node cells are larger.
The AB node cells are smaller and use calcium channels.
The AB node is located in the ventricles.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the typical duration of the PR interval?
0.08 seconds
0.10 seconds
0.12 seconds
0.14 seconds
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does the QRS complex on an EKG signify?
Ventricular repolarization
Atrial repolarization
Ventricular depolarization
Atrial depolarization
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is the Q wave on an EKG initially negative?
It represents atrial repolarization.
The depolarization wave moves in the same direction as lead II.
The depolarization wave moves in a different direction than lead II.
It is a result of ventricular repolarization.
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