Module 3 Quiz On Body Rhythm

14 Questions | Total Attempts: 111

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Module Quizzes & Trivia

Quiz for module 3 please print this to give to you instructor.


Questions and Answers
  • 1. 
    A rhythm originating in the sinus node should NOT have which of the following?              
    • A. 

      Narrow QRS complexes of uniform shape

    • B. 

      Regularly spaced QRS complexes

    • C. 

      Absent QRS complexes

    • D. 

      Heart rate of 60–100

  • 2. 
    If the patient’s rhythm changes, you should FIRST              
    • A. 

      Assess your patient for signs of decreased cardiac output.

    • B. 

      Calculate the heart rate, rhythm, and intervals.

    • C. 

      Change the lead to see if the rhythm is real or if it’s artifact.

    • D. 

      Look for P waves.

  • 3. 
    The normal rhythm of the heart has P waves that are              
    • A. 

      Upright, matching, and precede the QRS complex.

    • B. 

      Variable in shape and location.

    • C. 

      Often hidden inside QRS complexes.

    • D. 

      Multiple in number, preceding the QRS complex

  • 4. 
    A heart rate less than 60 is said to be a            
    • A. 

      Tachycardia.

    • B. 

      Bradycardia.

    • C. 

      Tachyarrhythmia.

    • D. 

      Bundle branch block.

  • 5. 
    A heart rate greater than 100 is said to be a            
    • A. 

      Tachycardia.

    • B. 

      Bradycardia.

    • C. 

      Myocardium.

    • D. 

      Bundle branch block.

  • 6. 
    The normal rhythm originating in the sinus node should have a heart rate            
    • A. 

      Greater than 100.

    • B. 

      Less than 60.

    • C. 

      Between 40 and 60.

    • D. 

      Between 60 and 100.

  • 7. 
    Normal QRS complexes should have a QRS complex             
    • A. 

      Less than 0.20 seconds wide.

    • B. 

      Less than 0.12 seconds wide.

    • C. 

      Between 0.12 and 0.20 seconds wide.

    • D. 

      That is alternately narrow and wide

  • 8. 
    Dysrhythmias are              
    • A. 

      Normal heart rhythms.

    • B. 

      Rhythms originating in the sinus node.

    • C. 

      Abnormal heart rhythms

    • D. 

      Rhythms that cause no symptoms.

  • 9. 
    Which of the following is a method of calculating heart rate?              
    • A. 

      Six-second strip method

    • B. 

      The QT interval method

    • C. 

      The P-P interval method

    • D. 

      All of the above

  • 10. 
    The mean rate is calculated by              
    • A. 

      Counting the number of P waves in a minute-long rhythm strip.

    • B. 

      Counting the number of QRS complexes in a minute-long rhythm strip.

    • C. 

      Counting the number of QRS complexes on a six-second strip and multiplying by 10

    • D. 

      Counting the number of P waves on a six-second strip and multiplying by 10.

  • 11. 
    The most accurate way to determine heart rate would be to              
    • A. 

      Count the number of P waves in a minute-long rhythm strip

    • B. 

      Count the number of QRS complexes in a minute-long rhythm strip.

    • C. 

      Count the number of QRS complexes on a six-second strip and multiply by 10

    • D. 

      Count the number of P waves on a six-second strip and multiply by 10.

  • 12. 
    An irregular rhythm is one in which            
    • A. 

      The R-R intervals vary “all over the place.”

    • B. 

      The R-R intervals vary by only one or two little blocks.

    • C. 

      There are premature beats or pauses that interrupt the otherwise regular rhythm.

    • D. 

      The QRS complexes do not look alike.

  • 13. 
    A regular rhythm is one in which the R-R intervals              
    • A. 

      Vary by only one or two little blocks.

    • B. 

      Do not vary at all.

    • C. 

      Are the same as the P-P intervals.

    • D. 

      Are interrupted by premature beats.

  • 14. 
    Regularity of a rhythm is determined by measuring the               
    • A. 

      P-P intervals

    • B. 

      QRS intervals.

    • C. 

      R-R intervals.

    • D. 

      Distance between consecutive U waves