Deck 39: Cardiopulmonary Procedures

Question 1

The atrioventricular bundle is the same as the

A) bundle of His.
B) Purkinje fibers.
C) sinoatrial node.
D) AV bundle.
E) A and D

Answer 1

A and D

Question 2

The state where the cardiac cells are resting.

A) Depolarized state
B) Polarized state
C) Repolarized state
D) Artifact state
E) Isoelectric state

Answer 2

Polarized state

Question 3

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

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

Answer 3

mitral valve.

Question 4

A record or recording of electrical impulses of the heart produced by an electrocardiograph.

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

Question 5

What means "to breathe"?

A) Ox/i
B) Spir/o
C) Pulmon/o
D) Rhin/o
E) Ox/o

Question 6

What state creates electrical activity that can be picked up on the ECG tracing?

A) Depolarized state
B) Polarized state
C) Repolarized state
D) All of the above
E) A and C

Question 7

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

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

Question 8

What means the "process of recording"?

A) -gram
B) -record
C) -graphy
D) echo-
E) -metry

Question 9

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

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

Question 10

__________ transmit the impulse quickly and efficiently to the ventricular myocardial cells.

A) Bundle branches
B) Purkinje fibers
C) Bundle of His
D) Aorta

Question 11

Oxygenated blood leaves the heart through the

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

Question 12

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

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

Question 13

The natural pacemaker of the heart is the

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

Question 14

The state where the cardiac cells are recovering.

A) Depolarized state
B) Polarized state
C) Repolarized state
D) Artifact state
E) Isoelectric state

Question 15

The _________ are the blood vessels that carry oxygen-rich blood from the lungs to the heart.

A) pulmonary veins
B) pulmonary arteries
C) superior vena cava
D) inferior vena cava

Question 16

Another name for the bicuspid valve is

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

Question 17

Upward movement away from the baseline in an ECG tracing.

A) Isoelectric line
B) Negative deflection
C) Positive deflection
D) Complex
E) Wave

Question 18

Blood returns from the head, neck, and upper extremities through the

A) aorta.
B) superior vena cava.
C) pulmonary veins.
D) inferior vena cava.

Question 19

What means the "process of measurement"?

A) -gram
B) -record
C) -graphy
D) echo-
E) -metry

Question 20

The contractive phase of the heartbeat is

A) diastole.
B) heart rate.
C) blood pressure.
D) systole.

Question 21

_____ represents atrial depolarization.

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

Question 22

The P wave

A) is the first wave in the tracing.
B) is created from the electrical impulse moving through the right and left ventricle.
C) reflects the impulse moving from the AV node to the bundle of His.
D) represents atrial polarization.
E) All of the above

Question 23

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

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

Question 24

A resting 12 lead ECG

A) creates 10 pictures of the heart's electrical activity.
B) uses 10 electrodes and lead wires.
C) requires a patient to walk the treadmill.
D) All of the above are correct.
E) A and B are correct.

Question 25

What occurs during the QRS complex?

A) Atrial polarization
B) Atrial repolarization
C) Ventricular depolarization
D) A and C
E) B and C

Question 26

The _________ is the point where the QRS complex ends and the ST segment starts.

A) T wave
B) ST point
C) J point
D) S point
E) A point

Question 27

What is true regarding the thermal ECG paper?

A) A small box is 2 mm $\times$ 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 28

The PR segment

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 29

Which electrode is considered the ground electrode?

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

Question 30

Which structure is created from the repolarization of the ventricles?

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

Question 31

What is true regarding augmented leads?

A) Provide information on the vertical or frontal plane of the heart
B) Considered unipolar leads
C) Use the RA, LA, and LL electrodes
D) All of the above
E) A and C

Question 32

Lead II is created using the

A) right arm and right leg electrodes.
B) right arm and left leg electrodes.
C) right arm and left arm electrodes.
D) left arm and the left leg electrode.
E) left arm and right leg electrode.

Question 33

What interval represents atrial depolarization?

A) QS interval
B) PQ interval
C) PS interval
D) QT interval
E) PR interval

Question 34

A period of time between two points or events on the ECG tracing.

A) Wave
B) Complex
C) Isoelectric line
D) Segment
E) Interval

Question 35

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

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

Question 36

What is true?

A) The Q wave is a positive deflection.
B) The R wave represents interventricular septal depolarization.
C) The R wave is a large triangular shaped wave.
D) The S wave is always seen on the tracing.
E) All of the above

Question 37

Lead I is created using the

A) right arm and right leg electrodes.
B) right arm and left leg electrodes.
C) right arm and left arm electrodes.
D) left arm and the left leg electrode.
E) left arm and right leg electrode.

Question 38

What is true regarding precordial leads?

A) Are unipolar leads
B) Include V1 to V6 leads
C) For artifact on V6 lead, the medical assistant should check V6 electrode and lead wire.
D) All of the above
E) A and C

Question 39

What is true regarding the ST segment?

A) The ST segment is an isoelectric line.
B) Created from the electricity from the ventricles.
C) Created from the electricity from the Purkinje fibers.
D) During this time, the atrial chambers finish contracting.
E) C and D

Question 40

What is true regarding standard leads?

A) Also called augmented leads
B) Include V1 to V6 leads
C) Created from a measurement of current traveling from a negative pole to the positive pole
D) All of the above
E) A and C

Question 41

What is true regarding the nasal cannula?

A) A delivery device for oxygen
B) The prongs need to curve upward when in the nose.
C) Can be used with nasal polyps
D) Used for mouth breathers
E) All of the above

Question 42

________ artifact appears as jagged peaks with irregular height and spacing.

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

Question 43

What is not true?

A) The vertical lines on the ECG paper measure the amplitude or voltage of the waves.
B) The horizontal lines on the ECG paper measure the time.
C) The normal paper speed is 20 mm/second.
D) When the paper speed is set at the normal setting, each small box is 0.04 seconds.
E) When the paper speed is set at the normal setting, each large box is 0.2 seconds.

Question 44

This artifact occurs when the electrodes are old or poor skin preparation occurred.

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

Question 45

What statement is true?

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 46

This pulmonary function test measures the exhaled air and can be done at home to manage chronic respiratory conditions.

A) Spirometry
B) Lung volume tests
C) Lung diffusion capacity
D) Arterial blood gas test
E) Peak flow

Question 47

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

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

Question 48

The ________________ is the volume of air remaining in the lungs after a maximal exhalation.

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

Question 49

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

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

Question 50

________ artifact occurs when the tracing looks normal at the beginning, but then goes all over when the electrical connection is interrupted.

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

Question 51

For this condition, place chest electrodes on the right side of the chest using the same intercostal spacing and landmarks. Switch the right and left limb lead wires.

A) Amputated limb
B) Casted limb
C) New surgical incision over the heart
D) Dextrocardia

Question 52

____________ artifact appears as series of small spikes that create a think looking tracing.

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

Question 53

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

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

Question 54

What is the default gain or sensitivity?

A) 10 mm/second
B) 10 mm/mV
C) 20 mm/second
D) 25 mm/second
E) 25 mm/mV

Question 55

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

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

Question 56

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

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 57

What is the default chart speed?

A) 10 mm/second
B) 10 mm/mV
C) 20 mm/second
D) 25 mm/second
E) 25 mm/mV

Question 58

This pulmonary function test determines how effectively gas travels from the lungs to the bloodstream.

A) Spirometry
B) Lung volume tests
C) Lung diffusion capacity
D) Arterial blood gas test
E) Peak flow

Question 59

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

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

Question 60

What chest electrode is placed on the fourth intercostal space at the right sternal edge?

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

Question 61

This arrhythmia occurs when there is a disruption of the electrical impulse through the heart.

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

Question 62

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

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

Question 63

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

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

Question 64

This test shows the blood flow into the heart muscle during rest and activity. A radioactive substance is injected into a vein prior to the test.

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

Question 65

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

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

Question 66

This arrhythmia occurs when the ventricles quiver uncontrollably.

A) Ventricular fibrillation
B) Asystole
C) Premature ventricular contraction
D) Ventricular tachycardia

Question 67

This test allows the patient to record an ECG when symptoms occur. The patient may use the test for 30 days.

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

Question 68

A patient needs to do an exercise stress test. What information should the medical assistant give the patient prior to the test?

A) The patient can smoke until 1 hour before the test.
B) The patient can drink caffeine until 5 hours before the test.
C) The patient will sign a consent form prior to the test.
D) The patient should not take a dose of Viagra 24 hours before a stress test.
E) All of the above

Question 69

What is true regarding maintenance of the electrocardiograph?

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 70

A lead wire breaks. What artifact would appear on the tracing?

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

Question 71

The patient talks during the ECG. What artifact could occur?

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