CRAT Exam 1 Questions with 100 Verified Correct

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

• When the technician is performing a 12 lead EKG, how many electrodes are used to record the 12

views of the heart?

• 8
• 10
• 12
• 24 - Correct Answer B.10
• Segments and waveforms on an ECG would include all but which of the following?
• PR interval
• QRS complex
• TB wave
• QT interval - Correct Answer C. TB wave
• In measuring ventricular regularity if there is no R wave what could be measured instead?
• P wave
• Q wave
• The Q and S wave junction
• S wave - Correct Answer Q and S wave junction
• The parasympathetic nervous system would do which of the following?
• Slows is the patient's heart rate
• enhanced digestion
• Decreases the patient's blood pressure
• All of the above - Correct Answer D. All of the above
• Which of the following protects the ventricles from the 400 through 600 erratic atrial impulses

that occur during the atrial fibrillation?

• SA node
• Muscle tissue around the AV node 1 / 3

• AV node
• Muscle tissue on the SA node - Correct Answer C. AV node
• Generally, there is no treatment necessary for bradycardia unless the patient shows symptoms of

which of the following?

• Decreased cardiac output
• Excessive output
• Non-existing cardiac output
• All of the above - Correct Answer A. Decreasing cardiac output
• Which of the following types of permanent pacing requires cardiac surgery to place wires?
• Transcutaneous pacing
• Epicardial pacing
• Transvenous pacing
• Defibrillator pacing - Correct Answer B. Epicardial pacing
• If the contact on an electrode is not conducting well or the placement is wrong which of the

following could occur?

• Arrhythmia
• Electric shock
• Bradycardia

D.wandering baseline - Correct Answer D. Wandering baseline

• Which of the following is most common ECG electrode misconnection or reversal?
• Arm/leg reversal
• Right arm/left arm
• Left leg/right leg
• Left arm/left leg - Correct Answer B. Right arm, left arm
• When interpreting a cardiac rhythm strip, all of the following would be considered steps except?
• Checking the position of the P wave
• Determining the rate of the rhythm and if it's normal or abnormal 2 / 3

• Determining the age of the patient
• Evaluating if the rhythm is regular or irregular - Correct Answer C. Determining the patient's age
• Accelerated junctional rhythm is only significant if the patient is showing signs of which of the

following?

• Decreasing cardiac output
• Sinus arrest
• Increasing urine output
• Hypertension - Correct Answer A . Decreasing cardiac output
• Sinus rhythm is the pacemaker action from which of the following?
• Junctional tissue
• SA node
• Purkinje fibers
• AV node - Correct Answer B. SA node
• Which of the following is a typical maximum length of a PR interval?
• .12 sec
• .20 sec
• .24 sec
• .30sec - Correct Answer B. .20 sec
• A pediatric patient will have shorter PR interval which of the following reasons?
• Children have lower metabolic needs
• Children have smaller ventricular size
• Children's heartbeats slower
• Children's PR interval's are measured differently - Correct Answer B. Children have a smaller

ventricular size

• Which of the following is represented in the above rhythm strip?
• Atrial tachycardia
• Sinus rhythm
• / 3