Question 1

A test used to measure breathing capacity is called ________.

Accepted Answer

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

Question 2

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

Accepted Answer

The answer of An ECG tracing for a patient who...

Question 3

Possible causes for a wandering baseline are ____.

Accepted Answer

A)   the use of paper clips, wet hands, or improper mounting
B)   loose wires or a short circuit in the wires
C)   improper grounding or cardiac arrest
D)   poor skin preparation, dangling wire, or breathing movement
E)   wrong selector switch setting or crossed wiresF) B) and E)
G) A) and D)

Question 4

The impulses received through various combinations of electrodes constitute different ________, or views of the electrical activity of the heart, that are recorded on the ECG.

Accepted Answer

The answer of The impulses received through various combinations of...

Question 5

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

Question 6

Which precordial electrode is placed in the fourth intercostal space to the left of the sternum?

Accepted Answer

A)   V6
B)   V1
C)   V4
D)   V2
E)   V3F) A) and C)
G) None of the above

Question 7

Which of the following is a small upward curve that represents the sinoatrial node impulse, wave of depolarization through the atria, and resultant contraction?

Accepted Answer

A)   P wave
B)   S wave
C)   S-T segment
D)   Q wave
E)   R waveF) A) and D)
G) None of the above

Question 8

The instrument that measures and displays the electrical impulses responsible for the cardiac cycle is a(n)  ____.

Accepted Answer

A)   electrocardiograph
B)   electroencephalograph
C)   electrocardiogram
D)   electroencephalogram
E)   electrodeF) A) and E)
G) A) and B)

Question 9

Which of the following dysrhythmias is due to a heartbeat originating in the ventricles that occurs early in the cycle and is followed by a pause before the next cycle?

Accepted Answer

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

Question 10

AC interference can be prevented by ____.

Accepted Answer

A)   keeping the patient warm to prevent shivering
B)   making sure lead wires are not crossed and following the contour of the body
C)   making certain that a lead has not been disconnected from the electrode
D)   preparing the patient's skin adequately
E)   avoiding the use of paper clipsF) A) and E)
G) A) and D)

Question 11

When a PVC appears on the ECG, which wave is missing?

Accepted Answer

A)   Q
B)   R
C)   S
D)   P
E)   TF) All of the above
G) B) and E)

Question 12

Which precordial electrode is placed in the fifth intercostal space, where it intersects an imaginary line drawn straight down the middle of the clavicle?

Accepted Answer

A)   V6
B)   V2
C)   V4
D)   V1
E)   V3F) A) and C)
G) B) and D)

Question 13

This artifact is caused by ________.

Accepted Answer

AC interfe...

Question 14

The greatest volume of air that can be expelled when a person performs a rapid, forced expiration is the ____.

Accepted Answer

A)   inspiratory capacity
B)   forced vital capacity
C)   peak expiratory flow rate
D)   residual volume
E)   peak flow zoneF) B) and D)
G) B) and E)

Exam 49: Electrocardiography and Pulmonary Function Testing

Which of the following dysrhythmias is due to a heartbeat originating in the ventricles that occurs early in the cycle and is followed by a pause before the next cycle?

Correct Answer
verified

When a PVC appears on the ECG, which wave is missing?

Correct Answer
verified

AC interference can be prevented by ____.

Correct Answer
verified

The greatest volume of air that can be expelled when a person performs a rapid, forced expiration is the ____.

Correct Answer
verified

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

Correct Answer
verified

A test used to measure breathing capacity is called ________.

Correct Answer
verified

The instrument that measures and displays the electrical impulses responsible for the cardiac cycle is a(n) ____.

Correct Answer
verified

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 Answer
verified

Which precordial electrode is placed in the fourth intercostal space to the left of the sternum?

Correct Answer
verified

Which of the following is a small upward curve that represents the sinoatrial node impulse, wave of depolarization through the atria, and resultant contraction?

Correct Answer
verified

Possible causes for a wandering baseline are ____.

Correct Answer
verified

The impulses received through various combinations of electrodes constitute different ________, or views of the electrical activity of the heart, that are recorded on the ECG.

Correct Answer
verified

Which precordial electrode is placed in the fifth intercostal space, where it intersects an imaginary line drawn straight down the middle of the clavicle?

Correct Answer
verified

This artifact is caused by ________.

Correct Answer
verified
AC interfe...
View Answer

Exam 49: Electrocardiography and Pulmonary Function Testing

Which of the following dysrhythmias is due to a heartbeat originating in the ventricles that occurs early in the cycle and is followed by a pause before the next cycle?

Correct AnswerverifiedShow Answer

When a PVC appears on the ECG, which wave is missing?

Correct AnswerverifiedShow Answer

AC interference can be prevented by ____.

Correct AnswerverifiedShow Answer

The greatest volume of air that can be expelled when a person performs a rapid, forced expiration is the ____.

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

A test used to measure breathing capacity is called ________.

Correct AnswerverifiedShow Answer

The instrument that measures and displays the electrical impulses responsible for the cardiac cycle is a(n) ____.

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

Which precordial electrode is placed in the fourth intercostal space to the left of the sternum?

Correct AnswerverifiedShow Answer

Which of the following is a small upward curve that represents the sinoatrial node impulse, wave of depolarization through the atria, and resultant contraction?

Correct AnswerverifiedShow Answer

Possible causes for a wandering baseline are ____.

Correct AnswerverifiedShow Answer

The impulses received through various combinations of electrodes constitute different ________, or views of the electrical activity of the heart, that are recorded on the ECG.

Correct AnswerverifiedShow Answer

Which precordial electrode is placed in the fifth intercostal space, where it intersects an imaginary line drawn straight down the middle of the clavicle?

Correct AnswerverifiedShow Answer

This artifact is caused by ________.

Correct AnswerverifiedAC interfe...View AnswerShow 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
AC interfe...
View Answer