Exam (elaborations) CRAT

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Exam (elaborations)

Exam (elaborations) CRAT

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CRAT STUDY GUIDE QUESTIONS WITH CORRECT ANSWERS 2025/2026 RATED A+

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CRAT STUDY GUIDE QUESTIONS WITH CORRECT
ANSWERS 2025/2026 RATED A+
Normal PRI interval - CORRECT ANSWER --0.12-0.20

Normal QRS interval - CORRECT ANSWER --0.11 or less

What does the P wave represent? - CORRECT ANSWER --Atrial depolarization

What does the QRS complex represent? - CORRECT ANSWER --Atrial repolarization and
ventricular depolarization

Q wave indicates what? - CORRECT ANSWER --Dead myocardial tissue. Always a negative
deflection

What is the natural pacemaker of the heart? - CORRECT ANSWER --SA node

3 types of pacemakers - CORRECT ANSWER --1) single (either RA or RV)

2) dual chamber (RA and LV)

3) bi-ventricular (RV and LV --> Congestive Heart Failure)

Which HB would you NOT need a pacemaker for? - CORRECT ANSWER --First-degree AV block
(prolonged PRI >0.20 seconds)

Define intrinsic beats - CORRECT ANSWER --The patient's own heart beat

What is sensing? - CORRECT ANSWER --The ability for the heart to sense and respond to the
electrical activity of the heart

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Uploaded on: May 1, 2026
Number of pages: 4
Written in: 2025/2026
Type: Exam (elaborations)
Contains: Questions & answers

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