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Basic Dysrhythmia Practice Exam Exam Test Questions And Verified Answers

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Basic Dysrhythmia Practice Exam Exam Test Questions And Verified Answers

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Basic Dysrhythmia Practice Exam 2025-2026
Exam Test Questions And Verified Answers




What is the flow of conduction in the heart? -
✔ANASWER✔-SA Node --> AV Node --> Bundle of His --
> Purkinje fibers


Identify the parts of the conduction system -
✔ANASWER✔-Left side: SA node, AV node, Right bundle
branch

,Right side: Bundle of His, Left bundle branch, Left anterior
division, Left posterior division


In which AV block should we use Atropine with caution? -
✔ANASWER✔-2nd degree TYPE 2


What is the special quality of the heart in relation to other
muscles in the body? - ✔ANASWER✔-The heart
generates its own electrical impulses


What is the normal HR when the SINUS node is in charge
of heart conduction? - ✔ANASWER✔-60-100 bpm


What is the normal HR when the AV node is in charge of
heart conduction? - ✔ANASWER✔-40-60 bpm


What is the normal HR when the Purkinje Fibers is in
charge of heart conduction? - ✔ANASWER✔-20-40 bpm


What does the P-wave represent? - ✔ANASWER✔-Atrial
depolarization

, What does the QRS complex represent? - ✔ANASWER✔-
Ventricular depolarization


What does the T wave represent? - ✔ANASWER✔-
Ventricular repolarization


Why is there no wave representing atrial repolarization? -
✔ANASWER✔-Atrial repolarization is covered by the
ventricular depolarization wave


What is the danger of a prolonged QT interval? -
✔ANASWER✔-Mailed to types of ventricular tachycardia


One small box - ✔ANASWER✔-0.04 seconds


One large box - ✔ANASWER✔-0.20 seconds (5 tiny
boxes)


Normal PR interval - ✔ANASWER✔-0.12-0.20 seconds


Normal QRS complex - ✔ANASWER✔-0.04-0.10 seconds

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