Question 1

Which of the following is true about sinus rhythm?

Accepted Answer

A) It is regular. 
B) It has an irregularly irregular pattern of QRS complexes. 
C) It has multiple shapes of P waves. 
D) It has wide QRS complexes without preceding P waves. 
A) It is regular. 
B) It has an irregularly irregular pattern of QRS complexes. 
C) It has multiple shapes of P waves. 
D) It has wide QRS complexes without preceding P waves.

Question 2

The primary treatment of sinus tachycardia is _____.

Accepted Answer

The answer of The primary treatment of sinus tachycardia is...

Question 3

The most crucial criterion to identifying sinus rhythms is the upright matching P waves in lead II.

Accepted Answer

A) True 
 B)False

Question 4

_____ is a rhythm with a heart rate greater than 100.

Accepted Answer

The answer of _____ is a rhythm with a heart...

Question 5

Atropine speeds conduction through the bundle branches.

Accepted Answer

A) True 
 B)False

Question 6

The heart rate in Figure 4 is closest to

Accepted Answer

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

Question 7

In sinus block,

Accepted Answer

A) The pause is a multiple of the R-R intervals. 
B) There are P waves inside the pause. 
C) All R-R intervals are constant. 
D) The heart rate varies from 100 to 160. 
A) The pause is a multiple of the R-R intervals. 
B) There are P waves inside the pause. 
C) All R-R intervals are constant. 
D) The heart rate varies from 100 to 160.

Question 8

Sinus bradycardia's heart rate is

Accepted Answer

A) 60-100. 
B) Greater than 100. 
C) Less than 60. 
D) Greater than 170. 
A) 60-100. 
B) Greater than 100. 
C) Less than 60. 
D) Greater than 170.

Question 9

The sinus rhythm that has a heart rate greater than 100 is

Accepted Answer

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

Question 10

A condition in which the thyroid gland overproduces thyroid hormones and causes the heart rate,temperature,and blood pressure to rise to dangerous levels is called _____.

Accepted Answer

The answer of A condition in which the thyroid gland...

Question 11

The PR interval in sinus rhythms should be _____ from beat to beat.

Accepted Answer

The answer of The PR interval in sinus rhythms should...

Question 12

Sinus arrest is best treated by anti-anxiety medication.

Accepted Answer

A) True 
 B)False

Question 13

In sinus rhythm,the heart rate is

Accepted Answer

A) 60-100. 
B) Greater than 100. 
C) Less than 60. 
D) Greater than 170. 
A) 60-100. 
B) Greater than 100. 
C) Less than 60. 
D) Greater than 170.

Question 14

Sinus tachycardia's heart rate is

Accepted Answer

A) 60-100. 
B) Greater than 100. 
C) Less than 60. 
D) Greater than 170. 
A) 60-100. 
B) Greater than 100. 
C) Less than 60. 
D) Greater than 170.

Question 15

A rhythm with a heart rate less than 60 is _____.

Accepted Answer

The answer of A rhythm with a heart rate less...

Question 16

Some signs of decreased cardiac output are pallor,hypotension,and dizziness.

Accepted Answer

A) True 
 B)False

Question 17

An artificial pacemaker can be used to treat sinus bradycardia.

Accepted Answer

A) True 
 B)False

Question 18

Sinus arrhythmia is

Accepted Answer

A) A regular rhythm. 
B) An irregular rhythm. 
C) A rhythm that originates in the atria. 
D) A rhythm that originates in the AV junction. 
A) A regular rhythm. 
B) An irregular rhythm. 
C) A rhythm that originates in the atria. 
D) A rhythm that originates in the AV junction.

Question 19

Sinus arrest can occur at any heart rate.

Accepted Answer

A) True 
 B)False

Question 20

Atropine's mode of action is to

Accepted Answer

A) Speed up the rate of sinus node firing and speed conduction through the AV node. 
B) Speed impulse conduction through the bundle branches and AV node. 
C) Slow the rate of conduction through the AV node and slow sinus node firing. 
D) Speed sinus node firing and slow AV node conduction. 
A) Speed up the rate of sinus node firing and speed conduction through the AV node. 
B) Speed impulse conduction through the bundle branches and AV node. 
C) Slow the rate of conduction through the AV node and slow sinus node firing. 
D) Speed sinus node firing and slow AV node conduction.

Which of the following is true about sinus rhythm?

The primary treatment of sinus tachycardia is _____.

The most crucial criterion to identifying sinus rhythms is the upright matching P waves in lead II.

_____ is a rhythm with a heart rate greater than 100.

Atropine speeds conduction through the bundle branches.

The heart rate in Figure 4 is closest to

In sinus block,

Sinus bradycardia's heart rate is

The sinus rhythm that has a heart rate greater than 100 is

A condition in which the thyroid gland overproduces thyroid hormones and causes the heart rate,temperature,and blood pressure to rise to dangerous levels is called _____.

The PR interval in sinus rhythms should be _____ from beat to beat.

Sinus arrest is best treated by anti-anxiety medication.

In sinus rhythm,the heart rate is

Sinus tachycardia's heart rate is

A rhythm with a heart rate less than 60 is _____.

Some signs of decreased cardiac output are pallor,hypotension,and dizziness.

An artificial pacemaker can be used to treat sinus bradycardia.

Sinus arrhythmia is

Sinus arrest can occur at any heart rate.

Atropine's mode of action is to

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

Which of the following is true about sinus rhythm?

The primary treatment of sinus tachycardia is _____.

The most crucial criterion to identifying sinus rhythms is the upright matching P waves in lead II.

_____ is a rhythm with a heart rate greater than 100.

Atropine speeds conduction through the bundle branches.

The heart rate in Figure 4 is closest to

In sinus block,

Sinus bradycardia's heart rate is

The sinus rhythm that has a heart rate greater than 100 is

A condition in which the thyroid gland overproduces thyroid hormones and causes the heart rate,temperature,and blood pressure to rise to dangerous levels is called _____.

The PR interval in sinus rhythms should be _____ from beat to beat.

Sinus arrest is best treated by anti-anxiety medication.

In sinus rhythm,the heart rate is

Sinus tachycardia's heart rate is

A rhythm with a heart rate less than 60 is _____.

Some signs of decreased cardiac output are pallor,hypotension,and dizziness.

An artificial pacemaker can be used to treat sinus bradycardia.

Sinus arrhythmia is

Sinus arrest can occur at any heart rate.

Atropine's mode of action is to

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