Question 1

Pressure rising in the ventricles but no blood being ejected is the definition of:

Accepted Answer

A)  ventricular systole. 
B)  ventricular diastole. 
C)  isovolumetric relaxation. 
D)  isovolumetric contraction. 
A)  ventricular systole. 
B)  ventricular diastole. 
C)  isovolumetric relaxation. 
D)  isovolumetric contraction.

Question 2

The QRS complex represents which of the following?

Accepted Answer

A)  Atrial depolarization 
B)  Ventricular depolarization 
C)  Ventricular repolarization 
D)  Threshold potential 
A)  Atrial depolarization 
B)  Ventricular depolarization 
C)  Ventricular repolarization 
D)  Threshold potential

Question 3

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

Accepted Answer

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

Question 4

Which of the following represents the port on a pulmonary artery catheter used to take measurements that estimate right-ventricular end-diastolic pressure?

Accepted Answer

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

Question 5

The QRS vector appears downward in which of the following electrocardiogram leads?

Accepted Answer

A)  II 
B)  V5 
C)  aVL 
D)  aVR 
A)  II 
B)  V5 
C)  aVL 
D)  aVR

Question 6

The aVL lead shows the electrocardiogram in the below figure.This is indicative of the occlusion of which of the following coronary arteries?

Accepted Answer

A)  Left coronary artery 
B)  Circumflex artery 
C)  Right coronary artery 
D)  Anterior interventricular branch of the left coronary artery 
A)  Left coronary artery 
B)  Circumflex artery 
C)  Right coronary artery 
D)  Anterior interventricular branch of the left coronary artery

Question 7

When a cell membrane of an excitable cell is exposed to a depolarizing current,which of the following occurs?

Accepted Answer

A)  Increased influx of calcium into the cell 
B)  Rapid influx of sodium ions into the cell 
C)  Increased efflux of potassium out of the cell 
D)  Rapid efflux of protein molecules out of the cell 
A)  Increased influx of calcium into the cell 
B)  Rapid influx of sodium ions into the cell 
C)  Increased efflux of potassium out of the cell 
D)  Rapid efflux of protein molecules out of the cell

Question 8

A pulmonary artery catheter introduced via the antecubital route is currently at the 50-cm mark and is showing the tracing below.Is there a problem with this catheter?

Accepted Answer

A)  Yes; the balloon has ruptured. 
B)  No; it's in the pulmonary artery. 
C)  Yes; it's knotted in the right ventricle. 
D)  No; it's wedged in a pulmonary capillary. 
A)  Yes; the balloon has ruptured. 
B)  No; it's in the pulmonary artery. 
C)  Yes; it's knotted in the right ventricle. 
D)  No; it's wedged in a pulmonary capillary.

Question 9

How long are adult pulmonary artery catheters?

Accepted Answer

A)  60 cm 
B)  80 cm 
C)  100 cm 
D)  110 cm 
A)  60 cm 
B)  80 cm 
C)  100 cm 
D)  110 cm

Question 10

The paper speed of an electrocardiographic machine should be set at a speed of ____ mm/s.

Accepted Answer

A)  10 
B)  15 
C)  20 
D)  25 
A)  10 
B)  15 
C)  20 
D)  25

Question 11

When does the atrial kick begin?

Accepted Answer

A)  Just before atrial systole 
B)  During atrial repolarization 
C)  During the impulse delay in the atrioventricular node 
D)  Simultaneously with ventricular excitation 
A)  Just before atrial systole 
B)  During atrial repolarization 
C)  During the impulse delay in the atrioventricular node 
D)  Simultaneously with ventricular excitation

Question 12

Which letter in the figure identifies the cardiac cells through which there is a 100-ms delay?

Accepted Answer

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

Question 13

The right ventricle peak systolic pressure is represented by _____ millimeters of mercury.

Accepted Answer

A)  15 
B)  25 
C)  80 
D)  120 
A)  15 
B)  25 
C)  80 
D)  120

Question 14

Which of the following events can lead to ventricular fibrillation?

Accepted Answer

A)  A ventricular rate of ninety beats a minute 
B)  A premature ventricular beat that occurs during the T wave 
C)  The presence of saw tooth waves instead of P waves on an electrocardiogram 
D)  An increased width of the QRS complex 
A)  A ventricular rate of ninety beats a minute 
B)  A premature ventricular beat that occurs during the T wave 
C)  The presence of saw tooth waves instead of P waves on an electrocardiogram 
D)  An increased width of the QRS complex

Question 15

Which letter in the figure identifies the anterior internodal pathway?

Accepted Answer

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

Question 16

Which of the following cardiac cells has the slowest action potential?

Accepted Answer

A)  Atrial 
B)  Ventricular 
C)  Purkinje fiber 
D)  Sinoatrial node 
A)  Atrial 
B)  Ventricular 
C)  Purkinje fiber 
D)  Sinoatrial node

Question 17

b-Adrenergic blocking agents,such as propranolol,can cause:

Accepted Answer

A)  sinoatrial block. 
B)  sinus tachycardia. 
C)  sinus bradycardia. 
D)  premature atrial beats. 
A)  sinoatrial block. 
B)  sinus tachycardia. 
C)  sinus bradycardia. 
D)  premature atrial beats.

Question 18

Which of the following will cause an increase in systemic vascular resistance?

Accepted Answer

A)  Hydralazine 
B)  Nitroglycerin 
C)  Polycythemia 
D)  Moderate hypoxemia 
A)  Hydralazine 
B)  Nitroglycerin 
C)  Polycythemia 
D)  Moderate hypoxemia

Question 19

The fifth intercostal space on the anterior axillary line is the site for which of the following electrocardiogram leads?

Accepted Answer

A)  V3 
B)  V4 
C)  V5 
D)  V6 
A)  V3 
B)  V4 
C)  V5 
D)  V6

Question 20

Which of the following lumens found in a standard balloon floatation catheter would be used to obtain a mixed venous blood sample?

Accepted Answer

A)  Balloon lumen 
B)  Distal lumen 
C)  Proximal lumen 
D)  Thermodilution lumen 
A)  Balloon lumen 
B)  Distal lumen 
C)  Proximal lumen 
D)  Thermodilution lumen

Pressure rising in the ventricles but no blood being ejected is the definition of:

The QRS complex represents which of the following?

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

Which of the following represents the port on a pulmonary artery catheter used to take measurements that estimate right-ventricular end-diastolic pressure?

The QRS vector appears downward in which of the following electrocardiogram leads?

The aVL lead shows the electrocardiogram in the below figure.This is indicative of the occlusion of which of the following coronary arteries?

When a cell membrane of an excitable cell is exposed to a depolarizing current,which of the following occurs?

A pulmonary artery catheter introduced via the antecubital route is currently at the 50-cm mark and is showing the tracing below.Is there a problem with this catheter?

How long are adult pulmonary artery catheters?

The paper speed of an electrocardiographic machine should be set at a speed of ____ mm/s.

When does the atrial kick begin?

Which letter in the figure identifies the cardiac cells through which there is a 100-ms delay?

The right ventricle peak systolic pressure is represented by _____ millimeters of mercury.

Which of the following events can lead to ventricular fibrillation?

Which letter in the figure identifies the anterior internodal pathway?

Which of the following cardiac cells has the slowest action potential?

b-Adrenergic blocking agents,such as propranolol,can cause:

Which of the following will cause an increase in systemic vascular resistance?

The fifth intercostal space on the anterior axillary line is the site for which of the following electrocardiogram leads?

Which of the following lumens found in a standard balloon floatation catheter would be used to obtain a mixed venous blood sample?

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

Pressure rising in the ventricles but no blood being ejected is the definition of:

The QRS complex represents which of the following?

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

Which of the following represents the port on a pulmonary artery catheter used to take measurements that estimate right-ventricular end-diastolic pressure?

The QRS vector appears downward in which of the following electrocardiogram leads?

The aVL lead shows the electrocardiogram in the below figure.This is indicative of the occlusion of which of the following coronary arteries?

When a cell membrane of an excitable cell is exposed to a depolarizing current,which of the following occurs?

A pulmonary artery catheter introduced via the antecubital route is currently at the 50-cm mark and is showing the tracing below.Is there a problem with this catheter?

How long are adult pulmonary artery catheters?

The paper speed of an electrocardiographic machine should be set at a speed of ____ mm/s.

When does the atrial kick begin?

Which letter in the figure identifies the cardiac cells through which there is a 100-ms delay?

The right ventricle peak systolic pressure is represented by _____ millimeters of mercury.

Which of the following events can lead to ventricular fibrillation?

Which letter in the figure identifies the anterior internodal pathway?

Which of the following cardiac cells has the slowest action potential?

b-Adrenergic blocking agents,such as propranolol,can cause:

Which of the following will cause an increase in systemic vascular resistance?

The fifth intercostal space on the anterior axillary line is the site for which of the following electrocardiogram leads?

Which of the following lumens found in a standard balloon floatation catheter would be used to obtain a mixed venous blood sample?

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