Question 1
A normal QRS duration is:
Correct Answer:
80 to 120 milliseconds
Explanation:
Correct answer: 80 to 120 milliseconds
Question 2
As depolarization spreads toward a positive pole, there is a ________ deflection in that lead.
Correct Answer:
Positive
Explanation:
Correct answer: Positive
Question 3
QTc prolongation can predispose a patient to:
Correct Answer:
Ventricular arrhythmias
Explanation:
Correct answer: Ventricular arrhythmias
Question 4
Which interval on the EKG represents the entirety of ventricular depolarization and repolarization?
Correct Answer:
QT interval
Explanation:
Correct answer: QT interval
Question 5
If the electrical impulse spreads away from an area of the heart, the corresponding lead will record the impulse as:
Correct Answer:
Negative
Explanation:
Correct answer: Negative
Question 1
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About this Exam

Prepare with the EKG Multiple Choice Practice Test Questions Answers 2025 practice quiz. This question bank includes 30 questions covering lead, impulse, leads, normal, and depolarization. Use it to review important concepts, identify knowledge gaps, and build confidence for the related exam, course, or assessment.

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EKG Multiple Choice Practice Test Questions Answers 2025

This practice set contains 30 questions from the matching question bank and focuses on lead, impulse, leads, normal, and depolarization. Work through each question carefully, review the provided solutions, and revisit topics that need more study before your next attempt.

This is an independent study resource intended for practice and review; it is not an official examination or an endorsement by any organization named in the title.

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