Block 3 EKG Strips And Stuff
.JPG "Block 3 EKG Strips And Stuff")
If you want to know how to read an EKG strip you need to know certain things and how to describe the readings. Below is Block three quiz that is designed to help see just how much you understand about reading an Ekg strip. Give it a shot and see if you should hit the books a little harder before the exam.
- 1.The T Wave on an EKG represents:
- A.
Ventricular Depolarization
- B.
Ventricular Repolarization
- C.
Atrial Depolarization
- D.
Atrial Repolarization
- E.
Ventricular Systole
- 2.
![Choose the answer choice below which most closely represents the heart rate of the ECG trace shown.
- ProProfs]( "Choose the answer choice below which most closely represents the heart rate of the ECG trace shown.")
Choose the answer choice below which most closely represents the heart rate of the ECG trace shown.- A.
300 beats per minute
- B.
150 beats per minute
- C.
100 beats per minute
- D.
75 beats per minute
- E.
60 beats per minute
- 3.If there is a blockage between the AV node and the AV bundle, how will this affect the appearance of the EKG?
- A.
PR interval would be smaller
- B.
QRS interval would be shorter
- C.
There would be more P waves than QRS complexes
- D.
There would be more QRS complexes than P waves
- E.
The T wave would be absent
- 4.
![The normal direction of the QRS complex in lead aVR results from the
- ProProfs]( "The normal direction of the QRS complex in lead aVR results from the")
The normal direction of the QRS complex in lead aVR results from the- A.
Repolarization of the ventricular endocardial surface before the epicardial surface.
- B.
Depolarization of the ventricular septum before the left ventricular wall
- C.
Conduction delay caused by the AV-node
- D.
Wave of depolarization moving away from the positive electrode.
- E.
Depolarization of the right ventricle before the left ventricle.
- 5.What electrical event of the heart is NOT recorded on the standard 12-lead ECG trace?
- A.
Atrial depolarization
- B.
Atrial repolarization
- C.
Phase 2 of the ventricular action potential
- D.
Ventricular repolarization
- E.
Phase 4 of the ventricular action potential
- 6.The figure below shows a ventricular action potential. Which of the numbered portions of the action potential most closely corresponds to the ST-segment on an ECG trace?
- A.
1
- B.
2
- C.
3
- D.
4
- E.
5
- 7.
![The following image is an ECG trace from Lead I. Determine if the heart rate and duration of the PR interval and QT interval are within the normal ranges.
Heart rate
PR interval
QT interval
- ProProfs]( "The following image is an ECG trace from Lead I. Determine if the heart rate and duration of the PR interval and QT interval are within the normal ranges.
Heart rate
PR interval
QT interval")
The following image is an ECG trace from Lead I. Determine if the heart rate and duration of the PR interval and QT interval are within the normal ranges. Heart rate PR interval QT interval- A.
Normal Normal Normal
- B.
Normal Greater than normal Normal
- C.
Normal Normal Greater than normal
- D.
Bradycardia Normal Less than normal
- E.
Bradycardia Greater than normal Less than normal
- F.
Bradycardia Less than normal Normal
.JPG "The normal direction of the QRS complex in lead aVR results from the")
.JPG "The following image is an ECG trace from Lead I. Determine if the heart rate and duration of the PR interval and QT interval are within the normal ranges.
Heart rate
PR interval
QT interval")
Questions: 10 | Attempts: 18514 | Last updated: Jul 5, 2021
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