Question 1

The most accurate way to determine heart rate would be to

Accepted Answer

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. 
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. B

Question 2

The mean rate is calculated by

Accepted Answer

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. 
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. C

Question 3

An irregular rhythm is one in which

Accepted Answer

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. 
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. A

Question 4

The heart rate in Figure 2 is closest to

Accepted Answer

A) 180. 
B) 250. 
C) 75. 
D) 50. 
A) 180. 
B) 250. 
C) 75. 
D) 50.

Question 5

Calculating heart rate involves counting the number of P waves on the strip.

Accepted Answer

A) True 
 B)False

Question 6

Regularity is concerned with the constancy of QRS complexes.

Accepted Answer

A) True 
 B)False

Question 7

The mean rate in Figure 2 is

Accepted Answer

A) 60. 
B) 70. 
C) 80. 
D) 100. 
A) 60. 
B) 70. 
C) 80. 
D) 100.

Question 8

Which of the following is a method of calculating heart rate?

Accepted Answer

A) Six-second strip method 
B) The QT interval method 
C) The P-P interval method 
D) All of the above 
A) Six-second strip method 
B) The QT interval method 
C) The P-P interval method 
D) All of the above

Question 9

Which of the following is NOT a method of calculating heart rate?

Accepted Answer

A) The six-second strip method. 
B) The little block method. 
C) The memory method. 
D) The P-P interval method. 
A) The six-second strip method. 
B) The little block method. 
C) The memory method. 
D) The P-P interval method.

Question 10

The heart rate in Figure 1 is closest to

Accepted Answer

A) 100. 
B) 70. 
C) 150. 
D) 50. 
A) 100. 
B) 70. 
C) 150. 
D) 50.

Question 11

The type of regularity in which the QRS complexes vary wildly throughout the rhythm strip is

Accepted Answer

A) Regular. 
B) Regular but interrupted by premature beats. 
C) Regular but interrupted by pauses. 
D) Irregular. 
A) Regular. 
B) Regular but interrupted by premature beats. 
C) Regular but interrupted by pauses. 
D) Irregular.

Question 12

A regular rhythm is one in which _____.

Accepted Answer

The R-R intervals va

Question 13

A regular rhythm is one in which the R-R intervals

Accepted Answer

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. 
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.

Question 14

If the QRS complexes are all 15 little blocks apart,the heart rate is _____.

Accepted Answer

The answer of If the QRS complexes are all 15...

Question 15

The mean rate in Figure 1 is

Accepted Answer

A) 50. 
B) 60. 
C) 70. 
D) 100. 
A) 50. 
B) 60. 
C) 70. 
D) 100.

Question 16

The most accurate way to calculate heart rate on an irregular rhythm is the six-second strip method.

Accepted Answer

A) True 
 B)False

Question 17

Regularity of a rhythm is determined by measuring the

Accepted Answer

A) P-P intervals. 
B) QRS intervals. 
C) R-R intervals. 
D) Distance between consecutive U waves. 
A) P-P intervals. 
B) QRS intervals. 
C) R-R intervals. 
D) Distance between consecutive U waves.

Question 18

R-R intervals are measurements of the distance between consecutive QRS complexes.

Accepted Answer

A) True 
 B)False

Question 19

If the QRS complexes are all 50 little blocks apart,the heart rate is _____.

Accepted Answer

The answer of If the QRS complexes are all 50...

Question 20

The rhythm in Figure 2 is

Accepted Answer

A) Regular. 
B) Irregular. 
C) Regular but interrupted by premature beats. 
D) Regular but interrupted by pauses. 
A) Regular. 
B) Irregular. 
C) Regular but interrupted by premature beats. 
D) Regular but interrupted by pauses.

The most accurate way to determine heart rate would be to

The mean rate is calculated by

An irregular rhythm is one in which

The heart rate in Figure 2 is closest to

Calculating heart rate involves counting the number of P waves on the strip.

Regularity is concerned with the constancy of QRS complexes.

The mean rate in Figure 2 is

Which of the following is a method of calculating heart rate?

Which of the following is NOT a method of calculating heart rate?

The heart rate in Figure 1 is closest to

The type of regularity in which the QRS complexes vary wildly throughout the rhythm strip is

A regular rhythm is one in which _____.

A regular rhythm is one in which the R-R intervals

If the QRS complexes are all 15 little blocks apart,the heart rate is _____.

The mean rate in Figure 1 is

The most accurate way to calculate heart rate on an irregular rhythm is the six-second strip method.

Regularity of a rhythm is determined by measuring the

R-R intervals are measurements of the distance between consecutive QRS complexes.

If the QRS complexes are all 50 little blocks apart,the heart rate is _____.

The rhythm in Figure 2 is

Coronary Anatomy and Physiology

Electrophysiology

Lead Morphology and Placement

Technical Aspects of the Ekg

How to Interpret a Rhythm Strip

Rhythms Originating in the Sinus Node

Rhythms Originating in the Atria

Rhythms Originating in the Av Junction

Rhythms Originating in the Ventricles

Av Blocks

How to Interpret a 12-Lead Ekg

Myocardial Infarction

Medications and Electrical Therapy

Diagnostic Electrocardiography

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Exam 5: Calculating Heart Rate

The most accurate way to determine heart rate would be to

The mean rate is calculated by

An irregular rhythm is one in which

The heart rate in Figure 2 is closest to

Calculating heart rate involves counting the number of P waves on the strip.

Regularity is concerned with the constancy of QRS complexes.

The mean rate in Figure 2 is

Which of the following is a method of calculating heart rate?

Which of the following is NOT a method of calculating heart rate?

The heart rate in Figure 1 is closest to

The type of regularity in which the QRS complexes vary wildly throughout the rhythm strip is

A regular rhythm is one in which _____.

A regular rhythm is one in which the R-R intervals

If the QRS complexes are all 15 little blocks apart,the heart rate is _____.

The mean rate in Figure 1 is

The most accurate way to calculate heart rate on an irregular rhythm is the six-second strip method.

Regularity of a rhythm is determined by measuring the

R-R intervals are measurements of the distance between consecutive QRS complexes.

If the QRS complexes are all 50 little blocks apart,the heart rate is _____.

The rhythm in Figure 2 is

Coronary Anatomy and Physiology

Electrophysiology

Lead Morphology and Placement

Technical Aspects of the Ekg

How to Interpret a Rhythm Strip

Rhythms Originating in the Sinus Node

Rhythms Originating in the Atria

Rhythms Originating in the Av Junction

Rhythms Originating in the Ventricles

Av Blocks

How to Interpret a 12-Lead Ekg

Myocardial Infarction

Medications and Electrical Therapy

Diagnostic Electrocardiography

Filters