AACN's ECG Test Questions and Answers
In a patient with a second degree AV block, you understand that impulses coming from the SA node are
randomly being blocked at ___. - Ans:-In the AV node
Using the small box method there are 15 small boxes between one R wave and the next. The rate on this
s...
In a patient with a second degree AV block, you understand that impulses coming from the SA node are
randomly being blocked at ___. - Ans:✔✔-In the AV node
Using the small box method there are 15 small boxes between one R wave and the next. The rate on this
strip is: - Ans:✔✔-The rate is 75 beats/min
The J point is useful in determining the amount of ST elevation or depression the patient has because it
represents the exact point where the ___ and ___. - Ans:✔✔-QRS complex finishes; ST segment begins
A second-degree AV block type 2 has a high risk of progressing to complete heart block - Ans:✔✔-True
Lead (I) - Ans:✔✔-Lateral surface
Lead III - Ans:✔✔-Inferior surface
Lead V1 - Ans:✔✔-Septal area
Lead V4 - Ans:✔✔-Anterior surface
What does the PR segment represent? - Ans:✔✔-The PR segment represents the travel time from the AV
node to the purkinje fibers
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