Question 1

A waveform that appears to _________ is one that appears abnormally rapid and sometimes erratic.

Accepted Answer

A)  flutter 
B)  spike 
C)  fibrillate 
D)  curve 
A)  flutter 
B)  spike 
C)  fibrillate 
D)  curve A

Question 2

What is the main reason that precordial leads are not placed where they belong?

Accepted Answer

A)  Technician error 
B)  Outside interference 
C)  Somatic tremor 
D)  Obesity 
A)  Technician error 
B)  Outside interference 
C)  Somatic tremor 
D)  Obesity D

Question 3

When there is no electrical activity occurring within the heart, the ECG strip will show as a solid flat line called the ____________.

Accepted Answer

A)  isoelectric line 
B)  waveform 
C)  depolarization loop 
D)  missing wave 
A)  isoelectric line 
B)  waveform 
C)  depolarization loop 
D)  missing wave A

Question 4

The ventricular relaxation phase is also called ventricular ____________.

Accepted Answer

A)  repolarization 
B)  depolarization 
C)  systole 
D)  diastole 
A)  repolarization 
B)  depolarization 
C)  systole 
D)  diastole

Question 5

The ECG tracing in the figure below represents what type of artifact?

Accepted Answer

A)  Technician errors 
B)  Electrical interference 
C)  Rewiring errors 
D)  Machine errors 
A)  Technician errors 
B)  Electrical interference 
C)  Rewiring errors 
D)  Machine errors

Question 6

In any artifact, the indication of wavelength errors is not created by the ____________.

Accepted Answer

A)  machine 
B)  patient 
C)  technician 
D)  heart 
A)  machine 
B)  patient 
C)  technician 
D)  heart

Question 7

When the sinoatrial node begins the electrical impulse, which of the following waves is created on the grid as both the right and left atria are depolarized?

Accepted Answer

A)  R wave 
B)  Q wave 
C)  P wave 
D)  S wave 
A)  R wave 
B)  Q wave 
C)  P wave 
D)  S wave

Question 8

A(n) ___________ on the ECG strip is a "time period" with no electrical activity occurring between waves, and if normal, looks like a flat line.

Accepted Answer

A)  artifact 
B)  deflection 
C)  interval 
D)  segment 
A)  artifact 
B)  deflection 
C)  interval 
D)  segment

Question 9

What type of waveforms cross the isoelectric line with part of the waveform being upright and part of the waveform appears as inverted?

Accepted Answer

A)  Fluttered 
B)  Notched 
C)  Fibrillated 
D)  Biphasic 
A)  Fluttered 
B)  Notched 
C)  Fibrillated 
D)  Biphasic

Question 10

What segment represents a conduction delay "time period" between ventricular depolarization and ventricular repolarization?

Accepted Answer

A)  ST segment 
B)  PR segment 
C)  TP segment 
D)  PRI interval 
A)  ST segment 
B)  PR segment 
C)  TP segment 
D)  PRI interval

Question 11

Calculate the heart rate for the ECG tracing below.

Accepted Answer

A)  60 bpm 
B)  85 bpm 
C)  115 bpm 
D)  140 bpm 
A)  60 bpm 
B)  85 bpm 
C)  115 bpm 
D)  140 bpm

Question 12

What is measured with calipers?

Accepted Answer

A)  Heart rhythm 
B)  Heart rate 
C)  R-R interval 
D)  Duration 
A)  Heart rhythm 
B)  Heart rate 
C)  R-R interval 
D)  Duration

Question 13

Which of the following limb lead reversal errors does this ECG tracing represent?

Accepted Answer

A)  Reversal of left arm and left leg leads 
B)  Reversal of left arm and right arm leads 
C)  Reversal of right arm and right leg leads 
D)  Both arms and legs limb leads reversed 
A)  Reversal of left arm and left leg leads 
B)  Reversal of left arm and right arm leads 
C)  Reversal of right arm and right leg leads 
D)  Both arms and legs limb leads reversed

Question 14

____________ refers to the structural appearance such as the size and configuration of a wave or waveform.

Accepted Answer

A)  Biphasic 
B)  Etiology 
C)  Physiology 
D)  Morphology 
A)  Biphasic 
B)  Etiology 
C)  Physiology 
D)  Morphology

Question 15

A heart in ____________ can become deadly with the loss of blood circulation and pulse.

Accepted Answer

A)  tachycardia 
B)  fibrillation mode 
C)  sinus rhythm 
D)  defibrillation mode 
A)  tachycardia 
B)  fibrillation mode 
C)  sinus rhythm 
D)  defibrillation mode

Question 16

Which of the following occurs during a normal PR segment?

Accepted Answer

A)  Deflection 
B)  Atrial fibrillation 
C)  Atrial depolarization 
D)  Atrial tachycardia 
A)  Deflection 
B)  Atrial fibrillation 
C)  Atrial depolarization 
D)  Atrial tachycardia

Question 17

Which of the following precordial lead errors does this ECG tracing represent?

Accepted Answer

A)  Reversal of V1 and V6 
B)  Reversal of V1 and V2 
C)  Reversal of right arm and right leg leads 
D)  Both arms and legs limb leads reversed 
A)  Reversal of V1 and V6 
B)  Reversal of V1 and V2 
C)  Reversal of right arm and right leg leads 
D)  Both arms and legs limb leads reversed

Question 18

What is the R-R interval used to measure?

Accepted Answer

A)  Heartbeat rate and regularity 
B)  QRS complex rhythm 
C)  Heart rhythm 
D)  Ventricular heart rate 
A)  Heartbeat rate and regularity 
B)  QRS complex rhythm 
C)  Heart rhythm 
D)  Ventricular heart rate

Question 19

Which of the following is calculated by using the horizontal axis on an ECG strip?

Accepted Answer

A)  Heart beats 
B)  Heart phases 
C)  Heart rate 
D)  Heart rhythm 
A)  Heart beats 
B)  Heart phases 
C)  Heart rate 
D)  Heart rhythm

Question 20

Which of the following waves peaks at the end of ventricular diastole and the start of systole?

Accepted Answer

A)  R wave 
B)  T wave 
C)  R wave. 
D)  S wave 
A)  R wave 
B)  T wave 
C)  R wave. 
D)  S wave

A waveform that appears to _________ is one that appears abnormally rapid and sometimes erratic.

What is the main reason that precordial leads are not placed where they belong?

When there is no electrical activity occurring within the heart, the ECG strip will show as a solid flat line called the ____________.

The ventricular relaxation phase is also called ventricular ____________.

The ECG tracing in the figure below represents what type of artifact?

In any artifact, the indication of wavelength errors is not created by the ____________.

When the sinoatrial node begins the electrical impulse, which of the following waves is created on the grid as both the right and left atria are depolarized?

A(n) ___________ on the ECG strip is a "time period" with no electrical activity occurring between waves, and if normal, looks like a flat line.

What type of waveforms cross the isoelectric line with part of the waveform being upright and part of the waveform appears as inverted?

What segment represents a conduction delay "time period" between ventricular depolarization and ventricular repolarization?

Calculate the heart rate for the ECG tracing below.

What is measured with calipers?

Which of the following limb lead reversal errors does this ECG tracing represent?

____________ refers to the structural appearance such as the size and configuration of a wave or waveform.

A heart in ____________ can become deadly with the loss of blood circulation and pulse.

Which of the following occurs during a normal PR segment?

Which of the following precordial lead errors does this ECG tracing represent?

What is the R-R interval used to measure?

Which of the following is calculated by using the horizontal axis on an ECG strip?

Which of the following waves peaks at the end of ventricular diastole and the start of systole?

Anatomy of the Heart

Body Systems and Heart Health

Heart Electrical Physiology

Cardiovascular Medications

Patient Assessment

Electrocardiogram Basics

Recognizing Arrhythmias Pacemakers and Emergencies

Filters

Exam 7: Waveforms Rate Rhythm and Artifacts

A waveform that appears to _________ is one that appears abnormally rapid and sometimes erratic.

What is the main reason that precordial leads are not placed where they belong?

When there is no electrical activity occurring within the heart, the ECG strip will show as a solid flat line called the ____________.

The ventricular relaxation phase is also called ventricular ____________.

The ECG tracing in the figure below represents what type of artifact?

In any artifact, the indication of wavelength errors is not created by the ____________.

When the sinoatrial node begins the electrical impulse, which of the following waves is created on the grid as both the right and left atria are depolarized?

A(n) ___________ on the ECG strip is a "time period" with no electrical activity occurring between waves, and if normal, looks like a flat line.

What type of waveforms cross the isoelectric line with part of the waveform being upright and part of the waveform appears as inverted?

What segment represents a conduction delay "time period" between ventricular depolarization and ventricular repolarization?

Calculate the heart rate for the ECG tracing below.

What is measured with calipers?

Which of the following limb lead reversal errors does this ECG tracing represent?

____________ refers to the structural appearance such as the size and configuration of a wave or waveform.

A heart in ____________ can become deadly with the loss of blood circulation and pulse.

Which of the following occurs during a normal PR segment?

Which of the following precordial lead errors does this ECG tracing represent?

What is the R-R interval used to measure?

Which of the following is calculated by using the horizontal axis on an ECG strip?

Which of the following waves peaks at the end of ventricular diastole and the start of systole?

Anatomy of the Heart

Body Systems and Heart Health

Heart Electrical Physiology

Cardiovascular Medications

Patient Assessment

Electrocardiogram Basics

Recognizing Arrhythmias Pacemakers and Emergencies

Filters