Question 1

The impulse that travels through both ventricles is the ____.

Accepted Answer

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

Question 2

Which of these arrhythmias is due to a heartbeat originating in the ventricles that occurs early in the cycle and is followed by a pause before the next cycle?

Accepted Answer

A)  Atrial fibrillation 
B)  PVCs 
C)  Ventricular fibrillation 
D)  Bundle branch block 
E)  Ventricular tachycardia 
A)  Atrial fibrillation 
B)  PVCs 
C)  Ventricular fibrillation 
D)  Bundle branch block 
E)  Ventricular tachycardia

Question 3

When using pulse oximetry long-term, you should move the sensor to a new site every ____.

Accepted Answer

A)  4 hours 
B)  2 hours 
C)  6 hours 
D)  12 hours 
E)  24 hours 
A)  4 hours 
B)  2 hours 
C)  6 hours 
D)  12 hours 
E)  24 hours

Question 4

The ____ send(s) out electrical impulses to initiate depolarization.

Accepted Answer

A)  bundle branches 
B)  AV node 
C)  Purkinje fibers 
D)  SA node 
E)  bundle of His 
A)  bundle branches 
B)  AV node 
C)  Purkinje fibers 
D)  SA node 
E)  bundle of His

Question 5

The greatest volume of air that can be expelled when a person performs a rapid, forced expiration is the ____.

Accepted Answer

A)  inspiratory capacity 
B)  forced vital capacity 
C)  peak expiratory flow rate 
D)  residual volume 
E)  peak flow zone 
A)  inspiratory capacity 
B)  forced vital capacity 
C)  peak expiratory flow rate 
D)  residual volume 
E)  peak flow zone

Question 6

A pulse oximeter reading of less than 95% indicates low blood oxygen, or ________.

Accepted Answer

The answer of A pulse oximeter reading of less than...

Question 7

The deflections that occur on an ECG are labeled with the letters ____.

Accepted Answer

A)  A, B, C, D, E, and F 
B)  P, Q, R, S, T, and U 
C)  H, I, J, K, and L 
D)  V, W, X, Y, and Z 
E)  M, N, O, P, and Q 
A)  A, B, C, D, E, and F 
B)  P, Q, R, S, T, and U 
C)  H, I, J, K, and L 
D)  V, W, X, Y, and Z 
E)  M, N, O, P, and Q

Question 8

What is the arrhythmia pictured here?

Accepted Answer

A)  Atrial fibrillation 
B)  PVCs 
C)  Ventricular fibrillation 
D)  Bundle branch block 
E)  Cardiac arrest 
A)  Atrial fibrillation 
B)  PVCs 
C)  Ventricular fibrillation 
D)  Bundle branch block 
E)  Cardiac arrest

Question 9

The _________ is a pen-like instrument that records the electrical impulses on the ECG paper.

Accepted Answer

The answer of The _________ is a pen-like instrument that...

Question 10

The impulses received through various combinations of electrodes constitute different ________, or views of the electrical activity of the heart, that are recorded on the ECG.

Accepted Answer

The answer of The impulses received through various combinations of...

Question 11

When pressed, which of the following should cause the stylus to move up 10mm (10 small squares) and remain there for 0.08 second (2 small squares or 2 mm)?

Accepted Answer

A)  Speed selector 
B)  Standardization control 
C)  Centering control 
D)  Sensitivity control 
E)  Stylus temperature control 
A)  Speed selector 
B)  Standardization control 
C)  Centering control 
D)  Sensitivity control 
E)  Stylus temperature control

Question 12

Which of the following measures the patient's response to a constant or increasing workload?

Accepted Answer

A)  Holter monitor test 
B)  Exercise ECG 
C)  resting ECG 
D)  Ultrasound 
E)  Peak expiratory flow rate 
A)  Holter monitor test 
B)  Exercise ECG 
C)  resting ECG 
D)  Ultrasound 
E)  Peak expiratory flow rate

Question 13

The instrument that measures and displays the electrical impulses responsible for the cardiac cycle is a(n) ____.

Accepted Answer

A)  electrocardiograph 
B)  electroencephalograph 
C)  electrocardiogram 
D)  electroencephalogram 
E)  electrode 
A)  electrocardiograph 
B)  electroencephalograph 
C)  electrocardiogram 
D)  electroencephalogram 
E)  electrode

Question 14

Which of the following is a measurement taken to determine the amount of air that can be quickly forced from the lungs?

Accepted Answer

A)  Maximal voluntary ventilation 
B)  Tidal volume 
C)  Forced vital capacity 
D)  Peak expiratory flow rate 
E)  Peak flow zone 
A)  Maximal voluntary ventilation 
B)  Tidal volume 
C)  Forced vital capacity 
D)  Peak expiratory flow rate 
E)  Peak flow zone

Question 15

The artifact pictured here is ________.

Accepted Answer

The answer of The artifact pictured here is ________....

Question 16

This artifact is caused by ________.

Accepted Answer

AC interfe

Question 17

The process of using ultrasound to view the heart in motion is called ________.

Accepted Answer

The answer of The process of using ultrasound to view...

Question 18

Which of the following is a small upward curve that represents the sinoatrial node impulse, wave of depolarization through the atria, and resultant contraction?

Accepted Answer

A)  P wave 
B)  S wave 
C)  S-T segment 
D)  Q wave 
E)  R wave 
A)  P wave 
B)  S wave 
C)  S-T segment 
D)  Q wave 
E)  R wave

Question 19

The peak flow zone that requires immediate medical treatment is the ____.

Accepted Answer

A)  green zone 
B)  yellow zone 
C)  red zone 
D)  blue zone 
E)  orange zone 
A)  green zone 
B)  yellow zone 
C)  red zone 
D)  blue zone 
E)  orange zone

Question 20

Which of the following delays the electrical impulse to give time for the atria to complete contraction and the ventricles to fill?

Accepted Answer

A)  Bundle of His 
B)  SA node 
C)  Bundle branches 
D)  AV node 
E)  Purkinje fibers 
A)  Bundle of His 
B)  SA node 
C)  Bundle branches 
D)  AV node 
E)  Purkinje fibers

Exam 46: Electrocardiography and Pulmonary Function Testing

The impulse that travels through both ventricles is the ____.

Which of these arrhythmias is due to a heartbeat originating in the ventricles that occurs early in the cycle and is followed by a pause before the next cycle?

When using pulse oximetry long-term, you should move the sensor to a new site every ____.

The ____ send(s) out electrical impulses to initiate depolarization.

The greatest volume of air that can be expelled when a person performs a rapid, forced expiration is the ____.

A pulse oximeter reading of less than 95% indicates low blood oxygen, or ________.

The deflections that occur on an ECG are labeled with the letters ____.

What is the arrhythmia pictured here?

The _________ is a pen-like instrument that records the electrical impulses on the ECG paper.

The impulses received through various combinations of electrodes constitute different ________, or views of the electrical activity of the heart, that are recorded on the ECG.

When pressed, which of the following should cause the stylus to move up 10mm (10 small squares) and remain there for 0.08 second (2 small squares or 2 mm)?

Which of the following measures the patient's response to a constant or increasing workload?

The instrument that measures and displays the electrical impulses responsible for the cardiac cycle is a(n) ____.

Which of the following is a measurement taken to determine the amount of air that can be quickly forced from the lungs?

The artifact pictured here is ________.

This artifact is caused by ________.

The process of using ultrasound to view the heart in motion is called ________.

Which of the following is a small upward curve that represents the sinoatrial node impulse, wave of depolarization through the atria, and resultant contraction?

The peak flow zone that requires immediate medical treatment is the ____.

Which of the following delays the electrical impulse to give time for the atria to complete contraction and the ventricles to fill?

Introduction to Medical Assisting

Healthcare and the Healthcare Team

Professionalism and Success

Interpersonal Communication

Legal and Ethical Issues

Basic Safety and Infection Control

Patient Reception

Office Equipment and Supplies

Examination and Treatment Areas

Written and Electronic Documents

Medical Records and Documentation

Electronic Health Records

Telephone Techniques

Patient Education

Managing Medical Records

Schedule Management

Insurance and Billing

Diagnostic Coding

Procedure Coding

Patient Billing and Collection

Financial Management Key

Organization of the Body

The Integumentary System

The Skeletal System

The Muscular System

The Cardiovascular System

The Blood

The Lymphatic and Immune Systems

The Respiratory System

The Nervous System

The Urinary System

The Reproductive System

The Digestive System

The Endocrine System

Special Senses

Patient Interview and History

Vital Signs and Measurements

Assisting With a General Physical Examination

Assisting in Reproductive and Urinary Specialties

Assisting in Pediatrics

Assisting in Geriatrics

Assisting in Other Medical Specialties

Assisting With Eye and Ear Care

Assisting With Minor Surgery

Orientation to the Lab

Microbiology and Disease

Processing and Testing Urine and Stool Specimens

Collecting, Processing, and Testing Blood Specimens

Diagnostic Imaging

Principles of Pharmacology

Dosage Calculation

Medication Administration

Physical Therapy and Rehabilitation

Nutrition and Health

Practice Management

Emergency Preparedness

Preparing for the World of Work

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