Question 1

The patient's tracing shows very tall waveforms. What change should you make before obtaining the tracing?

Accepted Answer

A)   Decrease the gain or sensitivity
B)   Increase the gain or sensitivity
C)   Decrease the chart speed
D)   Increase the chart speed

Question 2

The impulse from the AV node is picked up by which of the following?

Accepted Answer

A)   Atrioventricular node
B)   Aorta
C)   Purkinje fibers
D)   Bundle of His

Question 3

What is true regarding maintenance of the electrocardiograph?

Accepted Answer

A)   Do not dispose of the lead wires.
B)   Store the lead wires and patient cable with care in a loose coil.
C)   Refer to the operator's manual for cleaning instructions for the casing and stylus.
D)   All of the above
E)   A and C

Question 4

The natural pacemaker of the heart is the

Accepted Answer

A)   bundle branch.
B)   bundle of His.
C)   sinoatrial node.
D)   atrioventricular bundle.

Question 5

The valve between the right upper and lower chambers of the heart is the

Accepted Answer

A)   pulmonic semilunar valve.
B)   tricuspid valve.
C)   mitral valve.
D)   aortic semilunar valve.

Question 6

The PR segment

Accepted Answer

A)   follows the P wave.
B)   appears as an isoelectric line.
C)   is created as the impulse moves slowly through the AV node.
D)   is the time between the end of the atrial depolarization and the start of the ventricular depolarization.
E)   All of the above

Question 7

The ________________ is the maximum volume of air that can be forcefully and rapidly as possible exhaled after taking in a full inhalation.

Accepted Answer

A)   ERV
B)   FRC
C)   RV
D)   FVC
E)   MVV

Question 8

The patient's heart rate is 150 beats per minute. What changes should you make before obtaining the tracing?

Accepted Answer

A)   Decrease the gain or sensitivity
B)   Increase the gain or sensitivity
C)   Decrease the chart speed
D)   Increase the chart speed

Question 9

Use of ultrasonic waves directed through the heart to study the structure and motion of the heart is

Accepted Answer

A)   ECHO.
B)   ECG.
C)   FVC.
D)   EKG.
E)   B and D

Question 10

What is an incorrect procedure when using a metered dose inhaler?

Accepted Answer

A)   Use a spacer if possible.
B)   Place the mouthpiece in your mouth and close your lips around it.
C)   Press the top of the canister and breathe out at the same time.
D)   Hold your breath for 10 seconds and then breath out.
E)   B, C, and D

Question 11

This arrhythmia occurs when the atria contracts sooner than they should.

Accepted Answer

A)   Atrial flutter
B)   Premature atrial contraction
C)   Heart block
D)   Premature ventricular contraction
E)   Ventricular tachycardia

Question 12

The lead wires are wrapped too closely together, and this artifact appears on the tracing.

Accepted Answer

A)   Somatic tremor
B)   AC interference
C)   Interrupted baseline
D)   Wandering baseline

Question 13

_________ artifact is an upward and downward movement of the waveform and the isoelectric lines shift locations.

Accepted Answer

A)   Somatic tremor
B)   AC interference
C)   Interrupted baseline
D)   Wandering baseline

Question 14

This monitors the heart over a 24 to 48-hour period while the patient goes about his or her normal activities.

Accepted Answer

A)   ECG
B)   ECHO
C)   Holter monitor
D)   Nuclear stress test
E)   Cardiac event recorder

Question 15

There is artifact on Leads I and III. What electrode would you check?

Accepted Answer

A)   Right arm
B)   Left arm
C)   V1
D)   Left leg
E)   V2

Question 16

Oxygenated blood leaves the heart through the

Accepted Answer

A)   aorta.
B)   venae cavae.
C)   pulmonary arteries.
D)   pulmonary veins.

Question 17

What is true regarding the thermal ECG paper?

Accepted Answer

A)   A small box is 2 mm  ×	imes×  2 mm.
B)   A large box is made of 25 small boxes.
C)   Has a special heat sensitive coating that allows the tracing to be "burnt" on the paper
D)   All of the above
E)   B and C

Question 18

There is artifact on Leads II and III. What electrode would you check?

Accepted Answer

A)   Right arm
B)   Left arm
C)   V1
D)   Left leg
E)   V2

Question 19

What statement is true?

Accepted Answer

A)   The skin is a good conductor of electricity.
B)   The gel on the electrodes helps pick up the electrical impulses.
C)   For resting 12 lead ECGs, typically snap electrodes are used.
D)   Electrodes do not outdate.
E)   All of the above

Question 20

What chest electrode is placed on the fifth intercostal space on the mid-clavicular line?

Accepted Answer

A)   V1
B)   V2
C)   V3
D)   V4
E)   V6

Exam 39: Cardiopulmonary Procedures

What chest electrode is placed on the fifth intercostal space on the mid-clavicular line?

Correct AnswerverifiedShow Answer

What is true regarding maintenance of the electrocardiograph?

Correct AnswerverifiedShow Answer

What is true regarding the thermal ECG paper?

Correct AnswerverifiedShow Answer

There is artifact on Leads II and III. What electrode would you check?

Correct AnswerverifiedShow Answer

The patient's heart rate is 150 beats per minute. What changes should you make before obtaining the tracing?

Correct AnswerverifiedShow Answer

The patient's tracing shows very tall waveforms. What change should you make before obtaining the tracing?

Correct AnswerverifiedShow Answer

Use of ultrasonic waves directed through the heart to study the structure and motion of the heart is

Correct AnswerverifiedShow Answer

The lead wires are wrapped too closely together, and this artifact appears on the tracing.

Correct AnswerverifiedShow Answer

The natural pacemaker of the heart is the

Correct AnswerverifiedShow Answer

_________ artifact is an upward and downward movement of the waveform and the isoelectric lines shift locations.

Correct AnswerverifiedShow Answer

This arrhythmia occurs when the atria contracts sooner than they should.

Correct AnswerverifiedShow Answer

There is artifact on Leads I and III. What electrode would you check?

Correct AnswerverifiedShow Answer

What statement is true?

Correct AnswerverifiedShow Answer

The impulse from the AV node is picked up by which of the following?

Correct AnswerverifiedShow Answer

The valve between the right upper and lower chambers of the heart is the

Correct AnswerverifiedShow Answer

The ________________ is the maximum volume of air that can be forcefully and rapidly as possible exhaled after taking in a full inhalation.

Correct AnswerverifiedShow Answer

Oxygenated blood leaves the heart through the

Correct AnswerverifiedShow Answer

The PR segment

Correct AnswerverifiedShow Answer

What is an incorrect procedure when using a metered dose inhaler?

Correct AnswerverifiedShow Answer

This monitors the heart over a 24 to 48-hour period while the patient goes about his or her normal activities.

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified