Question 1

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

Accepted Answer

A)   94
B)   90
C)   97
D)   92
E)   89F) B) and E)
G) A) and E)

Question 2

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 3

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)   ArtifactF) None of the above
G) A) and B)

Question 4

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 5

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 patientF) A) and B)
G) B) and E)

Question 6

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 branchesF) C) and D)
G) D) and E)

Question 7

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)   EncephalographyF) B) and C)
G) B) and E)

Question 8

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 tachycardiaF) C) and D)
G) A) and E)

Question 9

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 interferenceF) C) and E)
G) B) and C)

Question 10

A test used to measure breathing capacity is called ________.

Accepted Answer

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

Question 11

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 12

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)   ElectrogastrographyF) B) and D)
G) A) and B)

Question 13

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 14

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 zoneF) A) and C)
G) C) and D)

Question 15

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)   respiratorF) All of the above
G) A) and E)

Question 16

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 17

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 intervalF) All of the above
G) A) and B)

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 zoneF) A) and B)
G) A) and C)

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

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 complexF) A) and E)
G) D) and E)

Exam 46: Electrocardiography and Pulmonary Function Testing

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

A test used to measure breathing capacity is called ________.

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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.

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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