Question 1

Sinus tachycardia:

Accepted Answer

A)  is a fast rate, greater than 150 beats per minute. 
B)  arises from the ventricles. 
C)  is brought about by an ectopic pacemaker. 
D)  is due to sympathetic nervous system stimulation. 
A)  is a fast rate, greater than 150 beats per minute. 
B)  arises from the ventricles. 
C)  is brought about by an ectopic pacemaker. 
D)  is due to sympathetic nervous system stimulation.

Question 2

The term ________ is used to describe a dysrhythmia that has a sudden, rapid onset.

Accepted Answer

A)  unexpected 
B)  reentrant 
C)  reflex 
D)  paroxysmal 
A)  unexpected 
B)  reentrant 
C)  reflex 
D)  paroxysmal

Question 3

P' waves that continuously change in appearance indicate that the:

Accepted Answer

A)  impulses are originating from one site. 
B)  atria are firing at a rate of between 250 and 350 beats per minute. 
C)  impulses are arising from different locations in the atria. 
D)  atria are firing in a rapid, chaotic manner. 
A)  impulses are originating from one site. 
B)  atria are firing at a rate of between 250 and 350 beats per minute. 
C)  impulses are arising from different locations in the atria. 
D)  atria are firing in a rapid, chaotic manner.

Question 4

When the atrial waveforms appear in a saw-toothed pattern it reflects that the:

Accepted Answer

A)  impulses are arising from different locations in the atria. 
B)  atria are firing at a rate of between 250 and 350 beats per minute. 
C)  a delay in the movement of the electrical impulse between the right and left atria. 
D)  impulse is being blocked as it travels through the bundle of His. 
A)  impulses are arising from different locations in the atria. 
B)  atria are firing at a rate of between 250 and 350 beats per minute. 
C)  a delay in the movement of the electrical impulse between the right and left atria. 
D)  impulse is being blocked as it travels through the bundle of His.

Question 5

Premature complexes that occur every other (second) complex, every third complex or every fourth complex produce ________ irregularity.

Accepted Answer

A)  slight 
B)  patterned 
C)  paroxysmal 
D)  varying 
A)  slight 
B)  patterned 
C)  paroxysmal 
D)  varying

Question 6

The dysrhythmia that produces a totally irregular rhythm is called:

Accepted Answer

A)  sinus arrest 
B)  atrial fibrillation 
C)  wandering atrial pacemaker 
D)  2nd degree AV heart block, Type I 
A)  sinus arrest 
B)  atrial fibrillation 
C)  wandering atrial pacemaker 
D)  2nd degree AV heart block, Type I

Question 7

Shorter than normal PR intervals may be seen in:

Accepted Answer

A)  sinus dysrhythmia. 
B)  premature atrial complexes that arise in the upper or middle right atrium. 
C)  junctional escape rhythm. 
D)  sinus tachycardia. 
A)  sinus dysrhythmia. 
B)  premature atrial complexes that arise in the upper or middle right atrium. 
C)  junctional escape rhythm. 
D)  sinus tachycardia.

Question 8

Tachycardia that arises above the ventricles is called supraventricular tachycardia.

Accepted Answer

A) True 
 B)False

Question 9

Inverted P' waves occur when the:

Accepted Answer

A)  atria are firing at a rate of between 250 and 350 beats per minute. 
B)  impulses arise from the middle of the right atrium. 
C)  atria are firing in a rapid, chaotic manner stimulating all parts of the atria at the same time. 
D)  electrical impulse originates in or near the AV junction and travels upward into the atria causing retrograde depolarization. 
A)  atria are firing at a rate of between 250 and 350 beats per minute. 
B)  impulses arise from the middle of the right atrium. 
C)  atria are firing in a rapid, chaotic manner stimulating all parts of the atria at the same time. 
D)  electrical impulse originates in or near the AV junction and travels upward into the atria causing retrograde depolarization.

Sinus tachycardia:

The term ________ is used to describe a dysrhythmia that has a sudden, rapid onset.

P' waves that continuously change in appearance indicate that the:

When the atrial waveforms appear in a saw-toothed pattern it reflects that the:

Premature complexes that occur every other (second) complex, every third complex or every fourth complex produce ________ irregularity.

The dysrhythmia that produces a totally irregular rhythm is called:

Shorter than normal PR intervals may be seen in:

Tachycardia that arises above the ventricles is called supraventricular tachycardia.

Inverted P' waves occur when the:

Anatomy and Electrophysiology of the Heart

The Electrocardiogram

Analyzing the Electrocardiogram

Heart Rate

Regularity

P-Waves

QRS Complexes

PR Intervals

ST Segments, T-Waves, QT Intervals, and U-Waves

Overview of Dysrhythmias

Origin and Clinical Aspects of Sinus Node Dysrhythmias

Origin and Clinical Aspects of Atrial Dysrhythmias

Origin and Clinical Aspects of Junctional Dysrhythmias

Origin and Clinical Aspects of Ventricular Dysrhythmias

Origin and Clinical Aspects of AV Heart Blocks

Pacemakers and Implanted Cardioverter-Defibrillators

12 Lead ECGS

Atrial Enlargement and Ventricular Hypertrophy

Bundle Branch Block

Myocardial Ischemia and Infarction

Other Cardiac Conditions and the ECG

Filters

Exam 22: Putting It All Together

Sinus tachycardia:

The term ________ is used to describe a dysrhythmia that has a sudden, rapid onset.

P' waves that continuously change in appearance indicate that the:

When the atrial waveforms appear in a saw-toothed pattern it reflects that the:

Premature complexes that occur every other (second) complex, every third complex or every fourth complex produce ________ irregularity.

The dysrhythmia that produces a totally irregular rhythm is called:

Shorter than normal PR intervals may be seen in:

Tachycardia that arises above the ventricles is called supraventricular tachycardia.

Inverted P' waves occur when the:

Anatomy and Electrophysiology of the Heart

The Electrocardiogram

Analyzing the Electrocardiogram

Heart Rate

Regularity

P-Waves

QRS Complexes

PR Intervals

ST Segments, T-Waves, QT Intervals, and U-Waves

Overview of Dysrhythmias

Origin and Clinical Aspects of Sinus Node Dysrhythmias

Origin and Clinical Aspects of Atrial Dysrhythmias

Origin and Clinical Aspects of Junctional Dysrhythmias

Origin and Clinical Aspects of Ventricular Dysrhythmias

Origin and Clinical Aspects of AV Heart Blocks

Pacemakers and Implanted Cardioverter-Defibrillators

12 Lead ECGS

Atrial Enlargement and Ventricular Hypertrophy

Bundle Branch Block

Myocardial Ischemia and Infarction

Other Cardiac Conditions and the ECG

Filters