Question 1

Which of the following is used to assess the electrical activity of a patient's heart over a 24-hour period of normal activity?

Accepted Answer

A)   Stress testing
B)   Pulmonary function testing
C)   Holter monitoring
D)   Electrocardiography
E)   EchocardiographyF) All of the above
G) B) and E)

Question 2

The ________ conduct electrical impulses down both sides of the interventricular septum.

Accepted Answer

The answer of The ________ conduct electrical impulses down both...

Question 3

Which of the following is a pen-like instrument that records impulse movement on the ECG paper?

Accepted Answer

A)   Electrode
B)   Stylus
C)   Lead
D)   Deflection
E)   ProbeF) A) and E)
G) C) and D)

Question 4

The arrhythmia pictured here is ____.

Accepted Answer

A)   atrial fibrillation
B)   PVCs
C)   ventricular fibrillation
D)   bundle branch block
E)   cardiac arrestF) B) and E)
G) A) and B)

Question 5

The condition of having two separate poles, one positive and the other negative, is called ________.

Accepted Answer

polarity

Question 6

Electrical impulse sensors placed on the body that detect and record the electrical activity of the heart are ________.

Accepted Answer

The answer of Electrical impulse sensors placed on the body...

Question 7

Which of the following can prevent a wandering baseline?

Accepted Answer

A)   Avoid the use of paper clips on the tracing
B)   Make sure all the leads are connected properly
C)   Eliminate other sources of electricity in the room
D)   Be sure the skin is prepared adequately
E)   Make sure the temperature of the room is comfortableF) B) and D)
G) A) and C)

Question 8

How do you determine the heart rate from a regular ECG tracing?

Accepted Answer

A)   Count the number of ST segments in a 60-second strip
B)   Multiply the number of QRS complexes in a 6-second strip by 10
C)   Multiply the number of QRS complexes in a 10-second strip by 10
D)   Count the P waves in a 20-second strip
E)   Count the number of QRS complexes in a 30-second stripF) D) and E)
G) A) and E)

Question 9

Which of the following would you do to alleviate a patient's anxiety about having an electrocardiography?

Accepted Answer

A)   Tell the patient that the procedure will last 1 hour
B)   Explain to the patient that a small amount of electricity passes through the body
C)   Describe to the patient what disease or abnormality the physician is looking for
D)   Encourage the patient to ask questions and verbalize her concerns
E)   Tell the patient that although ECGs are unpleasant, they are necessaryF) A) and B)
G) D) and E)

Question 10

The arrhythmia in which P waves cannot be identified because of rapid multiple electrical signals that fire from areas of the atria other than the SA node is ____.

Accepted Answer

A)   atrial fibrillation
B)   PVCs
C)   ventricular fibrillation
D)   bundle branch block
E)   ventricular tachycardiaF) C) and D)
G) A) and C)

Question 11

Which precordial electrode is located by counting to the fourth intercostal space to the right of the sternum?

Accepted Answer

A)   V1
B)   V2
C)   V3
D)   V4
E)   V6F) B) and C)
G) A) and E) A

Question 12

A(n) ________ is the tracing made by an electrocardiograph.

Accepted Answer

The answer of A(n) ________ is the tracing made by...

Question 13

Which of the following measures and evaluates a patient's lung capacity and volume?

Accepted Answer

A)   Chest x-ray
B)   Pulmonary function test
C)   Bronchoscopy
D)   Lung scan
E)   ElectroencephalogramF) A) and B)
G) None of the above

Question 14

Which of the following would you include in the patient teaching for a patient with a Holter monitor?

Accepted Answer

A)   Encourage the patient to shower while the device is in place
B)   Tell the patient that using an electrical blanket is permissible
C)   Instruct the patient to record all activities, emotions, symptoms, and medications taken
D)   Tell the patient to wear tight-fitting clothing to keep the monitor in place
E)   Instruct the patient to remove any electrodes that seem looseF) A) and D)
G) A) and C)

Question 15

The process by which a graphic pattern is created from the electrical impulses generated in the heart as it pumps is ________.

Accepted Answer

The answer of The process by which a graphic pattern...

Question 16

An ECG tracing for a patient who is shivering may have ________ interference, as shown in this tracing.

Accepted Answer

somatic

Question 17

An instrument called a(n) ________ measures the air taken in by and expelled from the lungs.

Accepted Answer

The answer of An instrument called a(n) ________ measures the...

Question 18

How do you prepare patients for spirometry?

Accepted Answer

A)   Tell them to wear tight clothing
B)   Have them stand for the test
C)   Have them wear a nose clip
D)   Have them bite down on the mouthpiece
E)   Have them eat a light meal immediately before the testF) C) and D)
G) D) and E)

Question 19

What is the arrhythmia pictured here?

Accepted Answer

A)   Atrial fibrillation
B)   PVCs
C)   Ventricular fibrillation
D)   Bundle branch block
E)   Cardiac arrestF) B) and D)
G) C) and E)

Question 20

Which of these is a component of an acceptable maneuver for spirometry?

Accepted Answer

A)   Slow and easy start
B)   Variable flow
C)   Coughing
D)   Quick, light breath
E)   Minimum of 6 secondsF) D) and E)
G) B) and C)

Exam 46: Electrocardiography and Pulmonary Function Testing

Which of the following is used to assess the electrical activity of a patient's heart over a 24-hour period of normal activity?

Correct AnswerverifiedShow Answer

The ________ conduct electrical impulses down both sides of the interventricular septum.

Correct AnswerverifiedShow Answer

Which of the following is a pen-like instrument that records impulse movement on the ECG paper?

Correct AnswerverifiedShow Answer

The arrhythmia pictured here is ____.

Correct AnswerverifiedShow Answer

The condition of having two separate poles, one positive and the other negative, is called ________.

Correct Answerverifiedpolarity

Electrical impulse sensors placed on the body that detect and record the electrical activity of the heart are ________.

Correct AnswerverifiedShow Answer

Which of the following can prevent a wandering baseline?

Correct AnswerverifiedShow Answer

How do you determine the heart rate from a regular ECG tracing?

Correct AnswerverifiedShow Answer

Which of the following would you do to alleviate a patient's anxiety about having an electrocardiography?

Correct AnswerverifiedShow Answer

The arrhythmia in which P waves cannot be identified because of rapid multiple electrical signals that fire from areas of the atria other than the SA node is ____.

Correct AnswerverifiedShow Answer

Which precordial electrode is located by counting to the fourth intercostal space to the right of the sternum?

Correct AnswerverifiedA

A(n) ________ is the tracing made by an electrocardiograph.

Correct AnswerverifiedShow Answer

Which of the following measures and evaluates a patient's lung capacity and volume?

Correct AnswerverifiedShow Answer

Which of the following would you include in the patient teaching for a patient with a Holter monitor?

Correct AnswerverifiedShow Answer

The process by which a graphic pattern is created from the electrical impulses generated in the heart as it pumps is ________.

Correct AnswerverifiedShow Answer

An ECG tracing for a patient who is shivering may have ________ interference, as shown in this tracing.

Correct Answerverifiedsomatic

An instrument called a(n) ________ measures the air taken in by and expelled from the lungs.

Correct AnswerverifiedShow Answer

How do you prepare patients for spirometry?

Correct AnswerverifiedShow Answer

What is the arrhythmia pictured here?

Correct AnswerverifiedShow Answer

Which of these is a component of an acceptable maneuver for spirometry?

Correct AnswerverifiedShow Answer

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polarity

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A

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somatic

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