Question 1

Right-ventricular afterload can be estimated by using which equation?

Accepted Answer

A)  (MAP) * (SV) * (0.00136) 
B)  (MPAP) * (SV) * (0.00136) 
C)  (MAP - MRAP/CO) * 80 
D)  (MPAP - MLAP/CO) * 80 
A)  (MAP) * (SV) * (0.00136) 
B)  (MPAP) * (SV) * (0.00136) 
C)  (MAP - MRAP/CO) * 80 
D)  (MPAP - MLAP/CO) * 80

Question 2

Which of the following is defined as the resistance that a ventricle must overcome to eject blood?

Accepted Answer

A)  Stroke work 
B)  Stroke index 
C)  Ventricular preload 
D)  Ventricular afterload 
A)  Stroke work 
B)  Stroke index 
C)  Ventricular preload 
D)  Ventricular afterload

Question 3

Which of the following is a type of pressure transducer that uses a metal bellows and a Wheatstone bridge?

Accepted Answer

A)  Resistive (or resistance) 
B)  Strain gauge 
C)  Variable inductance 
D)  Variable capacitance 
A)  Resistive (or resistance) 
B)  Strain gauge 
C)  Variable inductance 
D)  Variable capacitance

Question 4

What is the cardiac output when oxygen (O₂)consumption = 200 mL/min,arterial O₂ content = 21 vol%,and mixed venous O₂ content = 15 vol%?

Accepted Answer

A)  3.3 mL/min 
B)  4.3 mL/min 
C)  5.3 mL/min 
D)  6.3 mL/min 
A)  3.3 mL/min 
B)  4.3 mL/min 
C)  5.3 mL/min 
D)  6.3 mL/min

Question 5

On an atrial pressure tracing,which wave corresponds to atrial diastole?

Accepted Answer

A)  a wave 
B)  c wave 
C)  R wave 
D)  P wave 
A)  a wave 
B)  c wave 
C)  R wave 
D)  P wave

Question 6

What is the name of the following cardiac arrhythmia?

Accepted Answer

A)  Paroxysmal atrial tachycardia 
B)  Atrial premature depolarization 
C)  Premature ventricular contractions 
D)  Wolff-Parkinson-White syndrome 
A)  Paroxysmal atrial tachycardia 
B)  Atrial premature depolarization 
C)  Premature ventricular contractions 
D)  Wolff-Parkinson-White syndrome

Question 7

What is the heart rate shown on the following electrocardiogram?

Accepted Answer

A)  150 
B)  200 
C)  250 
D)  300 
A)  150 
B)  200 
C)  250 
D)  300

Question 8

The time required for the atrial impulse to travel through the atrioventricular node is defined as which of the following?

Accepted Answer

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

Question 9

What is the cardiac output,by using the direct Fick method,for a patient with the following hemodynamic values?
$\mathrm{PaO}_{2}=80 \mathrm{~mm} \mathrm{Hg} \quad \mathrm{SaO}_{2}=90 \% \quad \mathrm{Hb}=14 \mathrm{gm} \%$

$\begin{array}{c}
\mathrm{P}\overline{v} \mathrm{O}_{2}=35 \mathrm{~mm} \mathrm{Hg} \quad \mathrm{S}\overline{v}_{2}=65 \% \quad \mathrm{P}_{\mathrm{B}}=760 \mathrm{~mm} \mathrm{Hg} \
\qquad \mathrm{VO}_{2}=210 \mathrm{~mL} / \mathrm{min}
\end{array}$

Accepted Answer

A)  3.5 mL/min 
B)  4.36 mL/min 
C)  5.83 mL/min 
D)  6.15 mL/min 
A)  3.5 mL/min 
B)  4.36 mL/min 
C)  5.83 mL/min 
D)  6.15 mL/min

Question 10

A specialized high-speed conduction system begins at which of the following points?

Accepted Answer

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

Question 11

Falsely elevated systolic and diastolic blood pressure readings can occur when using either a manual or an automatic system because of which of the following?

Accepted Answer

A)  Improper positioning 
B)  Motion artifacts 
C)  Undersized cuff 
D)  Improper inflation 
A)  Improper positioning 
B)  Motion artifacts 
C)  Undersized cuff 
D)  Improper inflation

Question 12

What is the cardiac index (CI)when cardiac output = 5.0 mL/min and body surface area (BSA)= 2.9 m²?

Accepted Answer

A)  1.72 L/min/m2 
B)  1.67 L/min/m2 
C)  2.10 L/min/m2 
D)  12.5 L/min/m2 
A)  1.72 L/min/m2 
B)  1.67 L/min/m2 
C)  2.10 L/min/m2 
D)  12.5 L/min/m2

Question 13

The atrial kick becomes important to ventricular filling during which of the following?

Accepted Answer

A)  Atrial flutter 
B)  Atrial fibrillation 
C)  Ventricular asystole 
D)  Ventricular tachycardia 
A)  Atrial flutter 
B)  Atrial fibrillation 
C)  Ventricular asystole 
D)  Ventricular tachycardia

Question 14

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

Accepted Answer

A)  B 
B)  D 
C)  E 
D)  F 
A)  B 
B)  D 
C)  E 
D)  F

Question 15

On an electrocardiogram,the time between atrial and ventricular contraction is known as the:

Accepted Answer

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

Question 16

What is the heart rate depicted on the following electrocardiogram?

Accepted Answer

A)  60 
B)  80 
C)  100 
D)  120 
A)  60 
B)  80 
C)  100 
D)  120

Question 17

The cuff of a sphygmomanometer should be inflated to _____ mm Hg above the point when the radial pulse disappears.

Accepted Answer

A)  10 
B)  20 
C)  30 
D)  40 
A)  10 
B)  20 
C)  30 
D)  40

Question 18

The ability of certain specialized cells of the heart to depolarize spontaneously is known as which of the following?

Accepted Answer

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

Question 19

The right heart catheterization waveform in the figure that represents pressure in the right ventricle is which of the following?

Accepted Answer

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

Question 20

Which of the following is the most characteristic electrocardiographic finding in myocardial infarction?

Accepted Answer

A)  T wave inversion 
B)  ST segment elevation 
C)  ST segment depression 
D)  Downward-deflected Q waves 
A)  T wave inversion 
B)  ST segment elevation 
C)  ST segment depression 
D)  Downward-deflected Q waves

Right-ventricular afterload can be estimated by using which equation?

Which of the following is defined as the resistance that a ventricle must overcome to eject blood?

Which of the following is a type of pressure transducer that uses a metal bellows and a Wheatstone bridge?

What is the cardiac output when oxygen (O₂)consumption = 200 mL/min,arterial O₂ content = 21 vol%,and mixed venous O₂ content = 15 vol%?

On an atrial pressure tracing,which wave corresponds to atrial diastole?

What is the name of the following cardiac arrhythmia?

What is the heart rate shown on the following electrocardiogram?

The time required for the atrial impulse to travel through the atrioventricular node is defined as which of the following?

What is the cardiac output,by using the direct Fick method,for a patient with the following hemodynamic values? $\mathrm{PaO}_{2}=80 \mathrm{~mm} \mathrm{Hg} \quad \mathrm{SaO}_{2}=90 \% \quad \mathrm{Hb}=14 \mathrm{gm} \%$ =35=65\%=760 =210/

A specialized high-speed conduction system begins at which of the following points?

Falsely elevated systolic and diastolic blood pressure readings can occur when using either a manual or an automatic system because of which of the following?

What is the cardiac index (CI)when cardiac output = 5.0 mL/min and body surface area (BSA)= 2.9 m²?

The atrial kick becomes important to ventricular filling during which of the following?

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

On an electrocardiogram,the time between atrial and ventricular contraction is known as the:

What is the heart rate depicted on the following electrocardiogram?

The cuff of a sphygmomanometer should be inflated to _____ mm Hg above the point when the radial pulse disappears.

The ability of certain specialized cells of the heart to depolarize spontaneously is known as which of the following?

The right heart catheterization waveform in the figure that represents pressure in the right ventricle is which of the following?

Which of the following is the most characteristic electrocardiographic finding in myocardial infarction?

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

Right-ventricular afterload can be estimated by using which equation?

Which of the following is defined as the resistance that a ventricle must overcome to eject blood?

Which of the following is a type of pressure transducer that uses a metal bellows and a Wheatstone bridge?

What is the cardiac output when oxygen (O₂)consumption = 200 mL/min,arterial O₂ content = 21 vol%,and mixed venous O₂ content = 15 vol%?

On an atrial pressure tracing,which wave corresponds to atrial diastole?

What is the name of the following cardiac arrhythmia?

What is the heart rate shown on the following electrocardiogram?

The time required for the atrial impulse to travel through the atrioventricular node is defined as which of the following?

A specialized high-speed conduction system begins at which of the following points?

Falsely elevated systolic and diastolic blood pressure readings can occur when using either a manual or an automatic system because of which of the following?

What is the cardiac index (CI)when cardiac output = 5.0 mL/min and body surface area (BSA)= 2.9 m²?

The atrial kick becomes important to ventricular filling during which of the following?

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

On an electrocardiogram,the time between atrial and ventricular contraction is known as the:

What is the heart rate depicted on the following electrocardiogram?

The cuff of a sphygmomanometer should be inflated to _____ mm Hg above the point when the radial pulse disappears.

The ability of certain specialized cells of the heart to depolarize spontaneously is known as which of the following?

The right heart catheterization waveform in the figure that represents pressure in the right ventricle is which of the following?

Which of the following is the most characteristic electrocardiographic finding in myocardial infarction?

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