CRAT Exam 1 Questions with 100% Verified Correct Answers Rated A 2024

CRAT Exam 1 Questions with 100% Verified Correct Answers Rated A 2024 1. When the technician is performing a 12 lead EKG, how many electrodes are used to record the 12 views of the heart? A. 8 B. 10 C. 12 D. 24 - Correct Answer B.10 2. Segments and waveforms on an ECG would include all but which of the following? A. PR interval B. QRS complex C. TB wave D. QT interval - Correct Answer C. TB wave 3. In measuring ventricular regularity if there is no R wave what could be measured instead? A. P wave B. Q wave C. The Q and S wave junction D. S wave - Correct Answer Q and S wave junction 4. The parasympathetic nervous system would do which of the following? A. Slows is the patient's heart rate B. enhanced digestion C. Decreases the patient's blood pressure D. All of the above - Correct Answer D. All of the above 5. Which of the following protects the ventricles from the 400 through 600 erratic atrial impulses that occur during the atrial fibrillation? A. SA node B. Muscle tissue around