CRAT Exam 1 With 100% Correct Answers 2024 UpdateCRAT Exam 1 With 100% Correct Answers 2024 Update
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 ...
CRAT Exam 1 With 100% Correct Answers
2024 Update
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 the AV node
C. AV node
D. Muscle tissue on the SA node - Correct Answer-C. AV node
6. Generally, there is no treatment necessary for bradycardia unless the patient shows symptoms of which of the following? A. Decreased cardiac output
B. Excessive output
C. Non-existing cardiac output
D. All of the above - Correct Answer-A. Decreasing cardiac output 7. Which of the following types of permanent pacing requires cardiac surgery to place wires? A. Transcutaneous pacing B. Epicardial pacing C. Transvenous pacing D. Defibrillator pacing - Correct Answer-B. Epicardial pacing
8. If the contact on an electrode is not conducting well or the placement is wrong which of the following could occur? A. Arrhythmia B. Electric shock C. Bradycardia D.wandering baseline - Correct Answer-D. Wandering baseline
9. Which of the following is most common ECG electrode misconnection or reversal? A. Arm/leg reversal
B. Right arm/left arm
C. Left leg/right leg
D. Left arm/left leg - Correct Answer-B. Right arm, left arm
10. When interpreting a cardiac rhythm strip, all of the following would be considered steps except? A. Checking the position of the P wave
B. Determining the rate of the rhythm and if it's normal or abnormal
C. Determining the age of the patient
D. Evaluating if the rhythm is regular or irregular - Correct Answer-C. Determining the patient's age
11. Accelerated junctional rhythm is only significant if the patient is showing signs of which of the following? A. Decreasing cardiac output
B. Sinus arrest
C. Increasing urine output
D. Hypertension - Correct Answer-A . Decreasing cardiac output
12. Sinus rhythm is the pacemaker action from which of the following? A. Junctional tissue
B. SA node C. Purkinje fibers D. AV node - Correct Answer-B. SA node
13. Which of the following is a typical maximum length of a PR interval? A. .12 sec B. .20 sec C. .24 sec
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller TestGen. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $17.99. You're not tied to anything after your purchase.