Question 1

How many millimeters are between each heavy vertical line on electrocardiographic paper?

Accepted Answer

A)  1.0 
B)  2.0 
C)  4.0 
D)  5.0 
A)  1.0 
B)  2.0 
C)  4.0 
D)  5.0 D

Question 2

Repolarization of the papillary muscles or remnants of ventricular repolarization appears on an electrocardiogram as a:

Accepted Answer

A)  P wave. 
B)  T wave. 
C)  U wave. 
D)  J point. 
A)  P wave. 
B)  T wave. 
C)  U wave. 
D)  J point. C

Question 3

During diastasis,which of the following occurs within the ventricles?

Accepted Answer

A)  Pressure increases. 
B)  Blood enters slowly. 
C)  Pressure falls dramatically. 
D)  Blood pushes against the semilunar valves. 
A)  Pressure increases. 
B)  Blood enters slowly. 
C)  Pressure falls dramatically. 
D)  Blood pushes against the semilunar valves. B

Question 4

Closure of the semilunar valves and opening of the atrioventricular valves is associated with which heart sound?

Accepted Answer

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

Question 5

What is the cardiac output when O₂ consumption = 180 mL/min,arterial O₂ content = 18.4 vol%,and mixed venous O₂ content = 14.4 vol%.

Accepted Answer

A)  4.5 mL/min 
B)  5.5 mL/min 
C)  6.5 mL/min 
D)  7.5 mL/min 
A)  4.5 mL/min 
B)  5.5 mL/min 
C)  6.5 mL/min 
D)  7.5 mL/min

Question 6

The display from the proximal port of a pulmonary artery catheter reads 12 cm H₂O.This measurement is which of the following?

Accepted Answer

A)  Stroke work index 
B)  Central venous pressure 
C)  Pulmonary artery pressure 
D)  Pulmonary capillary wedge pressure 
A)  Stroke work index 
B)  Central venous pressure 
C)  Pulmonary artery pressure 
D)  Pulmonary capillary wedge pressure

Question 7

Systemic vascular resistance is 1700 dynes cm⁻⁵.Which of the following is consistent with this value?

Accepted Answer

A)  Elevated left-ventricular afterload 
B)  Elevated right-ventricular afterload 
C)  Decreased left-ventricular preload 
D)  Decreased right-ventricular preload 
A)  Elevated left-ventricular afterload 
B)  Elevated right-ventricular afterload 
C)  Decreased left-ventricular preload 
D)  Decreased right-ventricular preload

Question 8

The proximal opening on a pulmonary artery catheter is used to measure:

Accepted Answer

A)  cardiac output. 
B)  central venous pressure. 
C)  pulmonary artery pressure. 
D)  pulmonary capillary wedge pressure. 
A)  cardiac output. 
B)  central venous pressure. 
C)  pulmonary artery pressure. 
D)  pulmonary capillary wedge pressure.

Question 9

At what point in the figure do the semilunar valves close?

Accepted Answer

A)  A 
B)  B 
C)  C 
D)  D 
A)  A 
B)  B 
C)  C 
D)  D

Question 10

Each millimeter on electrocardiographic recording paper represents _____ seconds.

Accepted Answer

A)  0.02 
B)  0.04 
C)  0.20 
D)  0.40 
A)  0.02 
B)  0.04 
C)  0.20 
D)  0.40

Question 11

The ability of cardiac tissue to propagate an action potential is the definition of:

Accepted Answer

A)  excitability. 
B)  automaticity. 
C)  conductivity. 
D)  depolarization. 
A)  excitability. 
B)  automaticity. 
C)  conductivity. 
D)  depolarization.

Question 12

Other than air,the gas that is commonly used to inflate the balloon on a pulmonary artery catheter is:

Accepted Answer

A)  helium. 
B)  nitrogen. 
C)  oxygen. 
D)  carbon dioxide. 
A)  helium. 
B)  nitrogen. 
C)  oxygen. 
D)  carbon dioxide.

Question 13

Which port on a Swan-Ganz catheter is used to measure cardiac output?

Accepted Answer

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

Question 14

Pulmonary artery occlusion pressure can be used to estimate:

Accepted Answer

A)  left-atrial preload. 
B)  left-atrial afterload. 
C)  left-ventricular end-diastolic pressure. 
D)  right-ventricular end-diastolic pressure. 
A)  left-atrial preload. 
B)  left-atrial afterload. 
C)  left-ventricular end-diastolic pressure. 
D)  right-ventricular end-diastolic pressure.

Question 15

The first sound heard,by stethoscope,when deflating a sphygmomanometer cuff is known as which of the following?

Accepted Answer

A)  Atrial systole 
B)  Systolic pressure 
C)  First heart sound 
D)  Diastolic pressure 
A)  Atrial systole 
B)  Systolic pressure 
C)  First heart sound 
D)  Diastolic pressure

Question 16

A prolonged R-R interval indicates which of the following kinds of cardiac arrhythmia?

Accepted Answer

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

Question 17

A muscle cell cannot be depolarized again during which phases of an action potential?

Accepted Answer

A)  End of 0 to the beginning of 2 
B)  Beginning of 1 to the end of 3 
C)  End of 1 to the beginning of 4 
D)  Beginning of 0 to the middle of 3 
A)  End of 0 to the beginning of 2 
B)  Beginning of 1 to the end of 3 
C)  End of 1 to the beginning of 4 
D)  Beginning of 0 to the middle of 3

Question 18

Isovolumetric contraction of the ventricles follows which electrocardiographic event?

Accepted Answer

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

Question 19

Which of the following might cause sinus tachycardia?

Accepted Answer

A)  Vomiting 
B)  Hypothermia 
C)  Thyrotoxicosis 
D)  Mediastinal tumors 
A)  Vomiting 
B)  Hypothermia 
C)  Thyrotoxicosis 
D)  Mediastinal tumors

Question 20

Which of the following can increase pulmonary vascular resistance?

Accepted Answer

A)  Alveolar hypoxia 
B)  Moderate hypoxemia 
C)  Decreased parasympathetic tone 
D)  Recruitment of pulmonary vessels 
A)  Alveolar hypoxia 
B)  Moderate hypoxemia 
C)  Decreased parasympathetic tone 
D)  Recruitment of pulmonary vessels

How many millimeters are between each heavy vertical line on electrocardiographic paper?

Repolarization of the papillary muscles or remnants of ventricular repolarization appears on an electrocardiogram as a:

During diastasis,which of the following occurs within the ventricles?

Closure of the semilunar valves and opening of the atrioventricular valves is associated with which heart sound?

What is the cardiac output when O₂ consumption = 180 mL/min,arterial O₂ content = 18.4 vol%,and mixed venous O₂ content = 14.4 vol%.

The display from the proximal port of a pulmonary artery catheter reads 12 cm H₂O.This measurement is which of the following?

Systemic vascular resistance is 1700 dynes cm⁻⁵.Which of the following is consistent with this value?

The proximal opening on a pulmonary artery catheter is used to measure:

At what point in the figure do the semilunar valves close?

Each millimeter on electrocardiographic recording paper represents _____ seconds.

The ability of cardiac tissue to propagate an action potential is the definition of:

Other than air,the gas that is commonly used to inflate the balloon on a pulmonary artery catheter is:

Which port on a Swan-Ganz catheter is used to measure cardiac output?

Pulmonary artery occlusion pressure can be used to estimate:

The first sound heard,by stethoscope,when deflating a sphygmomanometer cuff is known as which of the following?

A prolonged R-R interval indicates which of the following kinds of cardiac arrhythmia?

A muscle cell cannot be depolarized again during which phases of an action potential?

Isovolumetric contraction of the ventricles follows which electrocardiographic event?

Which of the following might cause sinus tachycardia?

Which of the following can increase pulmonary vascular resistance?

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

How many millimeters are between each heavy vertical line on electrocardiographic paper?

Repolarization of the papillary muscles or remnants of ventricular repolarization appears on an electrocardiogram as a:

During diastasis,which of the following occurs within the ventricles?

Closure of the semilunar valves and opening of the atrioventricular valves is associated with which heart sound?

What is the cardiac output when O₂ consumption = 180 mL/min,arterial O₂ content = 18.4 vol%,and mixed venous O₂ content = 14.4 vol%.

The display from the proximal port of a pulmonary artery catheter reads 12 cm H₂O.This measurement is which of the following?

Systemic vascular resistance is 1700 dynes cm⁻⁵.Which of the following is consistent with this value?

The proximal opening on a pulmonary artery catheter is used to measure:

At what point in the figure do the semilunar valves close?

Each millimeter on electrocardiographic recording paper represents _____ seconds.

The ability of cardiac tissue to propagate an action potential is the definition of:

Other than air,the gas that is commonly used to inflate the balloon on a pulmonary artery catheter is:

Which port on a Swan-Ganz catheter is used to measure cardiac output?

Pulmonary artery occlusion pressure can be used to estimate:

The first sound heard,by stethoscope,when deflating a sphygmomanometer cuff is known as which of the following?

A prolonged R-R interval indicates which of the following kinds of cardiac arrhythmia?

A muscle cell cannot be depolarized again during which phases of an action potential?

Isovolumetric contraction of the ventricles follows which electrocardiographic event?

Which of the following might cause sinus tachycardia?

Which of the following can increase pulmonary vascular resistance?

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