Question 1

In sinus arrhythmia,the heart rate

Accepted Answer

A) Speeds up during inspiration and expiration. 
B) Speeds up during inspiration,slows during expiration. 
C) Slows during inspiration and expiration. 
D) Slows during inspiration,speeds up during expiration. 
A) Speeds up during inspiration and expiration. 
B) Speeds up during inspiration,slows during expiration. 
C) Slows during inspiration and expiration. 
D) Slows during inspiration,speeds up during expiration. B

Question 2

Patients with a heart rate of 45 always show symptoms of decreased cardiac output.

Accepted Answer

A) True 
 B)False  False

Question 3

_____ is the only normal heart rhythm.

Accepted Answer

Sinus rhythm

Question 4

Sinus arrhythmia has a pattern that often corresponds with the

Accepted Answer

A) PR intervals. 
B) Breathing pattern. 
C) P-P intervals. 
D) Patient's age. 
A) PR intervals. 
B) Breathing pattern. 
C) P-P intervals. 
D) Patient's age.

Question 5

Oxygen can help return an abnormal heart rhythm to normal.

Accepted Answer

A) True 
 B)False

Question 6

QRS interval in Figure 4 is closest to

Accepted Answer

A) 0.42 seconds. 
B) 0.10 seconds. 
C) 0.28 seconds. 
D) 0.30 seconds. 
A) 0.42 seconds. 
B) 0.10 seconds. 
C) 0.28 seconds. 
D) 0.30 seconds.

Question 7

In a sinus arrest,the sinus node_____ firing for a time.

Accepted Answer

The answer of In a sinus arrest,the sinus node_____ firing...

Question 8

The only difference in interpretation criteria between sinus rhythm,sinus bradycardia,and sinus tachycardia is the heart rate.

Accepted Answer

A) True 
 B)False

Question 9

A junctional escape beat is a beat from the

Accepted Answer

A) Ventricle. 
B) AV junction. 
C) Bundle branches. 
D) Sinus node. 
A) Ventricle. 
B) AV junction. 
C) Bundle branches. 
D) Sinus node.

Question 10

PR interval in Figure 4 is closest to

Accepted Answer

A) 0.12 seconds. 
B) 0.28 seconds. 
C) 0.04 seconds. 
D) 0.40 seconds. 
A) 0.12 seconds. 
B) 0.28 seconds. 
C) 0.04 seconds. 
D) 0.40 seconds.

Question 11

Once the impulse originates in the sinus node,it travels next to the _____ by way of the interatrial tracts.

Accepted Answer

The answer of Once the impulse originates in the sinus...

Question 12

High fever can cause sinus tachycardia.

Accepted Answer

A) True 
 B)False

Question 13

All sinus rhythms have a P-QRS-T configuration.

Accepted Answer

A) True 
 B)False

Question 14

The heart rate during sinus bradycardia is greater than 100.

Accepted Answer

A) True 
 B)False

Question 15

Which of the following has a heart rate less than 60?

Accepted Answer

A) Sinus rhythm 
B) Sinus bradycardia 
C) Sinus tachycardia 
D) Atrial tachycardia 
A) Sinus rhythm 
B) Sinus bradycardia 
C) Sinus tachycardia 
D) Atrial tachycardia

Question 16

Treatment for sinus tachycardia associated with a high fever would be to

Accepted Answer

A) Give atropine. 
B) Start CPR. 
C) Give acetaminophen or ibuprofen to get the temperature down. 
D) Give beta-blockers. 
A) Give atropine. 
B) Start CPR. 
C) Give acetaminophen or ibuprofen to get the temperature down. 
D) Give beta-blockers.

Question 17

The heart rate during sinus rhythm is 60-100.

Accepted Answer

A) True 
 B)False

Question 18

Which of the following is an irregular rhythm originating in the sinus node?

Accepted Answer

A) Sinus arrhythmia 
B) Sinus rhythm 
C) Sinus tachycardia 
D) Sinus bradycardia 
A) Sinus arrhythmia 
B) Sinus rhythm 
C) Sinus tachycardia 
D) Sinus bradycardia

Question 19

In sinus rhythms,the QRS complexes should have an interval of _____.

Accepted Answer

The answer of In sinus rhythms,the QRS complexes should have...

Question 20

High fever is a common cause of sinus arrest.

Accepted Answer

A) True 
 B)False

In sinus arrhythmia,the heart rate

Patients with a heart rate of 45 always show symptoms of decreased cardiac output.

_____ is the only normal heart rhythm.

Sinus arrhythmia has a pattern that often corresponds with the

Oxygen can help return an abnormal heart rhythm to normal.

QRS interval in Figure 4 is closest to

In a sinus arrest,the sinus node_____ firing for a time.

The only difference in interpretation criteria between sinus rhythm,sinus bradycardia,and sinus tachycardia is the heart rate.

A junctional escape beat is a beat from the

PR interval in Figure 4 is closest to

Once the impulse originates in the sinus node,it travels next to the _____ by way of the interatrial tracts.

High fever can cause sinus tachycardia.

All sinus rhythms have a P-QRS-T configuration.

The heart rate during sinus bradycardia is greater than 100.

Which of the following has a heart rate less than 60?

Treatment for sinus tachycardia associated with a high fever would be to

The heart rate during sinus rhythm is 60-100.

Which of the following is an irregular rhythm originating in the sinus node?

In sinus rhythms,the QRS complexes should have an interval of _____.

High fever is a common cause of sinus arrest.

Coronary Anatomy and Physiology

Electrophysiology

Lead Morphology and Placement

Technical Aspects of the Ekg

Calculating Heart Rate

How to Interpret a Rhythm Strip

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

Exam 7: Rhythms Originating in the Sinus Node

In sinus arrhythmia,the heart rate

Patients with a heart rate of 45 always show symptoms of decreased cardiac output.

_____ is the only normal heart rhythm.

Sinus arrhythmia has a pattern that often corresponds with the

Oxygen can help return an abnormal heart rhythm to normal.

QRS interval in Figure 4 is closest to

In a sinus arrest,the sinus node_____ firing for a time.

The only difference in interpretation criteria between sinus rhythm,sinus bradycardia,and sinus tachycardia is the heart rate.

A junctional escape beat is a beat from the

PR interval in Figure 4 is closest to

Once the impulse originates in the sinus node,it travels next to the _____ by way of the interatrial tracts.

High fever can cause sinus tachycardia.

All sinus rhythms have a P-QRS-T configuration.

The heart rate during sinus bradycardia is greater than 100.

Which of the following has a heart rate less than 60?

Treatment for sinus tachycardia associated with a high fever would be to

The heart rate during sinus rhythm is 60-100.

Which of the following is an irregular rhythm originating in the sinus node?

In sinus rhythms,the QRS complexes should have an interval of _____.

High fever is a common cause of sinus arrest.

Coronary Anatomy and Physiology

Electrophysiology

Lead Morphology and Placement

Technical Aspects of the Ekg

Calculating Heart Rate

How to Interpret a Rhythm Strip

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