Question 1

Automatic electrical discharges in the myocardium normally begin within which of the following?

Accepted Answer

A)  Bundle of His 
B)  Sinoatrial node 
C)  Bachmann's bundle 
D)  Atrioventricular node 
A)  Bundle of His 
B)  Sinoatrial node 
C)  Bachmann's bundle 
D)  Atrioventricular node

Question 2

What is the cardiac rhythm depicted on the following electrocardiogram?

Accepted Answer

A)  Atrial fibrillation 
B)  Premature atrial beats 
C)  Paroxysmal atrial tachycardia 
D)  Premature ventricular contractions 
A)  Atrial fibrillation 
B)  Premature atrial beats 
C)  Paroxysmal atrial tachycardia 
D)  Premature ventricular contractions

Question 3

A phonocardiogram is used to detect which of the following heart sounds?

Accepted Answer

A)  S1 and S2 
B)  S2 and S3 
C)  S3 and S4 
D)  S1 and S4 
A)  S1 and S2 
B)  S2 and S3 
C)  S3 and S4 
D)  S1 and S4

Question 4

Which of the following is true concerning junctional rhythms?

Accepted Answer

A)  They produce no P waves. 
B)  They can produce inverted P waves. 
C)  They are only generated high in the atrioventricular node. 
D)  Their rates can vary from 60 beats/min to 80 beats/min. 
A)  They produce no P waves. 
B)  They can produce inverted P waves. 
C)  They are only generated high in the atrioventricular node. 
D)  Their rates can vary from 60 beats/min to 80 beats/min.

Question 5

What is the heart rate shown on the following ECG?

Accepted Answer

A)  60 
B)  78 
C)  90 
D)  100 
A)  60 
B)  78 
C)  90 
D)  100

Question 6

What are the atrial and ventricular rates for lead I in the following electrocardiogram?
 
Atrial Rate Ventricular Rate

Accepted Answer

A)  75 225 
B)  180 90 
C)  300 75 
D)  135 45 
A)  75 225 
B)  180 90 
C)  300 75 
D)  135 45

Question 7

Ingestion of large quantities of coffee may cause which of the following?

Accepted Answer

A)  Sinus bradycardia 
B)  Junctional rhythms 
C)  Bundle branch blocks 
D)  Premature ventricular beats 
A)  Sinus bradycardia 
B)  Junctional rhythms 
C)  Bundle branch blocks 
D)  Premature ventricular beats

Question 8

The thermistor is located ____ cm back from the tip of a pulmonary artery catheter.

Accepted Answer

A)  2 
B)  10 
C)  30 
D)  50 
A)  2 
B)  10 
C)  30 
D)  50

Question 9

Rupture of the pulmonary artery catheter balloon can cause which of the following?

Accepted Answer

A)  Atrial flutter 
B)  Air embolism 
C)  Pneumothorax 
D)  Pulmonary infarction 
A)  Atrial flutter 
B)  Air embolism 
C)  Pneumothorax 
D)  Pulmonary infarction

Question 10

The a wave on an arterial pressure tracing is a result of which of the following during a cardiac cycle?

Accepted Answer

A)  Atrial systole 
B)  Atrial diastole 
C)  Ventricular systole 
D)  Ventricular diastole 
A)  Atrial systole 
B)  Atrial diastole 
C)  Ventricular systole 
D)  Ventricular diastole

Question 11

On an electrocardiogram,which of the following represents ventricular depolarization and repolarization?

Accepted Answer

A)  P-R interval 
B)  Q-T interval 
C)  ST segment 
D)  QRS complex 
A)  P-R interval 
B)  Q-T interval 
C)  ST segment 
D)  QRS complex

Question 12

Which of the following formulas represents cardiac output (CO)?

Accepted Answer

A)  CO = cardiac index * body surface area 
B)  CO = stroke volume * body surface area 
C)  CO = heart rate * stroke volume 
D)  CO = oxygen consumption * (CAO₂ - CaO₂) 
A)  CO = cardiac index * body surface area 
B)  CO = stroke volume * body surface area 
C)  CO = heart rate * stroke volume 
D)  CO = oxygen consumption * (CAO₂ - CaO₂)

Question 13

The fourth intercostal space at the left sternal margin is the site for which of the following electrocardiogram leads?

Accepted Answer

A)  V1 
B)  V2 
C)  V3 
D)  V4 
A)  V1 
B)  V2 
C)  V3 
D)  V4

Question 14

The heart block that causes "dropped" beats and that is often the result of increased parasympathetic tone is called _____ block.

Accepted Answer

A)  Sinoatrial 
B)  Mobitz type I 
C)  First-degree atrioventricular 
D)  Left bundle branch 
A)  Sinoatrial 
B)  Mobitz type I 
C)  First-degree atrioventricular 
D)  Left bundle branch

Question 15

Which of the following is defined as "the ability of a cell to respond to an electrical stimulus"?

Accepted Answer

A)  Conductivity 
B)  Rhythmicity 
C)  Excitability 
D)  Automaticity 
A)  Conductivity 
B)  Rhythmicity 
C)  Excitability 
D)  Automaticity

Question 16

Which of the following lumens will not appear on a cross-sectional view of a triple-lumen pulmonary artery catheter at 20 cm back from the tip?

Accepted Answer

A)  Distal 
B)  Inflation 
C)  Proximal 
D)  Thermistor 
A)  Distal 
B)  Inflation 
C)  Proximal 
D)  Thermistor

Question 17

Electrical stimulation of a cardiac muscle cell is the definition of which of the following?

Accepted Answer

A)  Contraction 
B)  Refraction 
C)  Polarization 
D)  Depolarization 
A)  Contraction 
B)  Refraction 
C)  Polarization 
D)  Depolarization

Automatic electrical discharges in the myocardium normally begin within which of the following?

What is the cardiac rhythm depicted on the following electrocardiogram?

A phonocardiogram is used to detect which of the following heart sounds?

Which of the following is true concerning junctional rhythms?

What is the heart rate shown on the following ECG?

What are the atrial and ventricular rates for lead I in the following electrocardiogram? Atrial Rate Ventricular Rate

Ingestion of large quantities of coffee may cause which of the following?

The thermistor is located ____ cm back from the tip of a pulmonary artery catheter.

Rupture of the pulmonary artery catheter balloon can cause which of the following?

The a wave on an arterial pressure tracing is a result of which of the following during a cardiac cycle?

On an electrocardiogram,which of the following represents ventricular depolarization and repolarization?

Which of the following formulas represents cardiac output (CO)?

The fourth intercostal space at the left sternal margin is the site for which of the following electrocardiogram leads?

The heart block that causes "dropped" beats and that is often the result of increased parasympathetic tone is called _____ block.

Which of the following is defined as "the ability of a cell to respond to an electrical stimulus"?

Which of the following lumens will not appear on a cross-sectional view of a triple-lumen pulmonary artery catheter at 20 cm back from the tip?

Electrical stimulation of a cardiac muscle cell is the definition of which of the following?

Basic Physics for the Respiratory Therapist

Principles of Infection Control

Manufacture, Storage, and Transport of Medical Gases

Administering Medical Gases: Regulators, Flowmeters, and

Airway Management Devices and Advanced Cardiac Life Support

Humidity and Aerosol Therapy

Lung Expansion Therapy Devices

Assessment of Pulmonary Function

Blood Gas Monitoring

Sleep Diagnostics

Introduction to Ventilators

Mechanical Ventilators: General-Use Devices

Infant and Pediatric Devices

Transport, Home Care, and Noninvasive Ventilatory Devices

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Exam 9: Assessment of Cardiovascular Function

Automatic electrical discharges in the myocardium normally begin within which of the following?

What is the cardiac rhythm depicted on the following electrocardiogram?

A phonocardiogram is used to detect which of the following heart sounds?

Which of the following is true concerning junctional rhythms?

What is the heart rate shown on the following ECG?

What are the atrial and ventricular rates for lead I in the following electrocardiogram? Atrial Rate Ventricular Rate

Ingestion of large quantities of coffee may cause which of the following?

The thermistor is located ____ cm back from the tip of a pulmonary artery catheter.

Rupture of the pulmonary artery catheter balloon can cause which of the following?

The a wave on an arterial pressure tracing is a result of which of the following during a cardiac cycle?

On an electrocardiogram,which of the following represents ventricular depolarization and repolarization?

Which of the following formulas represents cardiac output (CO)?

The fourth intercostal space at the left sternal margin is the site for which of the following electrocardiogram leads?

The heart block that causes "dropped" beats and that is often the result of increased parasympathetic tone is called _____ block.

Which of the following is defined as "the ability of a cell to respond to an electrical stimulus"?

Which of the following lumens will not appear on a cross-sectional view of a triple-lumen pulmonary artery catheter at 20 cm back from the tip?

Electrical stimulation of a cardiac muscle cell is the definition of which of the following?

Basic Physics for the Respiratory Therapist

Principles of Infection Control

Manufacture, Storage, and Transport of Medical Gases

Administering Medical Gases: Regulators, Flowmeters, and

Airway Management Devices and Advanced Cardiac Life Support

Humidity and Aerosol Therapy

Lung Expansion Therapy Devices

Assessment of Pulmonary Function

Blood Gas Monitoring

Sleep Diagnostics

Introduction to Ventilators

Mechanical Ventilators: General-Use Devices

Infant and Pediatric Devices

Transport, Home Care, and Noninvasive Ventilatory Devices

Filters