Question 1

A physician will order a(n) ________ function test to evaluate a patient's lung volume and capacity.

Accepted Answer

The answer of A physician will order a(n) ________ function...

Question 2

A(n) ________ is an instrument that measures and displays the impulses responsible for the cardiac cycle.

Accepted Answer

The answer of A(n) ________ is an instrument that measures...

Question 3

Which of the following assesses the heart's conduction system during exercise, when the demand for oxygen is increased?

Accepted Answer

A)  Holter monitoring 
B)  Electrocardiography 
C)  Pulmonary function test 
D)  Stress testing 
E)  Encephalography 
A)  Holter monitoring 
B)  Electrocardiography 
C)  Pulmonary function test 
D)  Stress testing 
E)  Encephalography

Question 4

Which of the following is the process by which a graphic pattern is created from the electrical impulses generated in the heart as it pumps?

Accepted Answer

A)  Electroencephalography 
B)  Electromyography 
C)  Electrocardiography 
D)  Electroneurography 
E)  Electrogastrography 
A)  Electroencephalography 
B)  Electromyography 
C)  Electrocardiography 
D)  Electroneurography 
E)  Electrogastrography

Question 5

Which of these is a life-threatening arrhythmia that results in no cardiac output?

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 6

A test used to measure breathing capacity is called ________.

Accepted Answer

The answer of A test used to measure breathing capacity...

Question 7

The type of echocardiography in which the speed and direction of blood flow through the heart can be assessed is ________ echocardiography.

Accepted Answer

The answer of The type of echocardiography in which the...

Question 8

The time it takes for electrical impulses to travel from the SA node to the AV node is the ____.

Accepted Answer

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

Question 9

The cardiac ________ is regulated by specialized tissues in the heart wall that transmit electrical impulses and cause the heart muscle to contract and relax.

Accepted Answer

The answer of The cardiac ________ is regulated by specialized...

Question 10

An instrument used to measure the air taken in by and expelled from the lungs is the ____.

Accepted Answer

A)  peak flow meter 
B)  calibration syringe 
C)  spirometer 
D)  stylus 
E)  respirator 
A)  peak flow meter 
B)  calibration syringe 
C)  spirometer 
D)  stylus 
E)  respirator

Question 11

If the patient has good control of her asthma, her peak flow rate is in 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 12

Which of the following would you include when preparing the room and equipment for an electrocardiogram?

Accepted Answer

A)  Select a room in which all electrical equipment is turned off 
B)  Perform the procedure in an X-ray department 
C)  Place the patient on a metal table 
D)  Set the room's temperature control to a very cool setting 
E)  Check the ECG paper after preparing the patient 
A)  Select a room in which all electrical equipment is turned off 
B)  Perform the procedure in an X-ray department 
C)  Place the patient on a metal table 
D)  Set the room's temperature control to a very cool setting 
E)  Check the ECG paper after preparing the patient

Question 13

Which of the following results in a flat line on the ECG tracing?

Accepted Answer

A)  Poor skin preparation 
B)  Dirty electrodes 
C)  Detached/loose wire 
D)  Muscle movement 
E)  Electrical interference 
A)  Poor skin preparation 
B)  Dirty electrodes 
C)  Detached/loose wire 
D)  Muscle movement 
E)  Electrical interference

Question 14

Which of the following is the primary pacemaker of the heart?

Accepted Answer

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

Question 15

This arrhythmia is ________ and is caused by rapid, multiple electrical signals that fire from areas in the atria other than the SA node.

Accepted Answer

The answer of This arrhythmia is ________ and is caused...

Question 16

Which of the following is an erroneous mark or defect that may appear on an ECG strip?

Accepted Answer

A)  Electrolyte 
B)  Deflection 
C)  Stylus 
D)  Lead 
E)  Artifact 
A)  Electrolyte 
B)  Deflection 
C)  Stylus 
D)  Lead 
E)  Artifact

Question 17

Which of the following represents the time it takes for the ventricles to contract and recover, or repolarize?

Accepted Answer

A)  P-R interval 
B)  S-T interval 
C)  Q-T interval 
D)  U wave 
E)  QRS complex 
A)  P-R interval 
B)  S-T interval 
C)  Q-T interval 
D)  U wave 
E)  QRS complex

Question 18

Which peak flow zone indicates that large airways are beginning to narrow?

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 19

Calibration of a spirometer requires the use of a standardized measuring instrument called a(n) calibration ________ and should provide a reading on the spirometer within 3% of the stated volume.

Accepted Answer

The answer of Calibration of a spirometer requires the use...

Question 20

A patient is not hypoxemic if his pulse oximetry reading is ____ percent.

Accepted Answer

A)  94 
B)  90 
C)  97 
D)  92 
E)  89 
A)  94 
B)  90 
C)  97 
D)  92 
E)  89

Exam 46: Electrocardiography and Pulmonary Function Testing

A physician will order a(n) ________ function test to evaluate a patient's lung volume and capacity.

A(n) ________ is an instrument that measures and displays the impulses responsible for the cardiac cycle.

Which of the following assesses the heart's conduction system during exercise, when the demand for oxygen is increased?

Which of the following is the process by which a graphic pattern is created from the electrical impulses generated in the heart as it pumps?

Which of these is a life-threatening arrhythmia that results in no cardiac output?

A test used to measure breathing capacity is called ________.

The type of echocardiography in which the speed and direction of blood flow through the heart can be assessed is ________ echocardiography.

The time it takes for electrical impulses to travel from the SA node to the AV node is the ____.

The cardiac ________ is regulated by specialized tissues in the heart wall that transmit electrical impulses and cause the heart muscle to contract and relax.

An instrument used to measure the air taken in by and expelled from the lungs is the ____.

If the patient has good control of her asthma, her peak flow rate is in the ____,

Which of the following would you include when preparing the room and equipment for an electrocardiogram?

Which of the following results in a flat line on the ECG tracing?

Which of the following is the primary pacemaker of the heart?

This arrhythmia is ________ and is caused by rapid, multiple electrical signals that fire from areas in the atria other than the SA node.

Which of the following is an erroneous mark or defect that may appear on an ECG strip?

Which of the following represents the time it takes for the ventricles to contract and recover, or repolarize?

Which peak flow zone indicates that large airways are beginning to narrow?

Calibration of a spirometer requires the use of a standardized measuring instrument called a(n) calibration ________ and should provide a reading on the spirometer within 3% of the stated volume.

A patient is not hypoxemic if his pulse oximetry reading is ____ percent.

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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