Question 1

The ____ send(s)  out electrical impulses to initiate depolarization.

Accepted Answer

A)   bundle branches
B)   AV node
C)   Purkinje fibers
D)   SA node
E)   bundle of HisF) A) and B)
G) A) and C)

Question 2

The _________ is a pen-like instrument that records the electrical impulses on the ECG paper.

Accepted Answer

The answer of The _________ is a pen-like instrument that...

Question 3

What is the arrhythmia pictured here?

Accepted Answer

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

Question 4

A pulse oximeter reading of less than 95% indicates low blood oxygen, or ________.

Accepted Answer

The answer of A pulse oximeter reading of less than...

Question 5

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) D) and E)
G) B) and C)

Question 6

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 7

When using pulse oximetry long-term, you should move the sensor to a new site every ____.

Accepted Answer

A)   4 hours
B)   2 hours
C)   6 hours
D)   12 hours
E)   24 hoursF) A) and E)
G) B) and D)

Question 8

The peak flow zone that requires immediate medical treatment is the ____.

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 9

Which of these arrhythmias 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) A) and D)
G) D) and E)

Question 10

The artifact pictured here is ________.

Accepted Answer

The answer of The artifact pictured here is ________....

Question 11

This artifact is caused by ________.

Accepted Answer

AC interfe...

Question 12

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) B) and C)

Question 13

The impulse that travels through both ventricles is the ____.

Accepted Answer

A)   R wave
B)   Q wave
C)   S wave
D)   P wave
E)   T waveF) B) and C)
G) B) and D)

Question 14

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

Question 15

When pressed, which of the following should cause the stylus to move up 10mm (10 small squares)  and remain there for 0.08 second (2 small squares or 2 mm) ?

Accepted Answer

A)   Speed selector
B)   Standardization control
C)   Centering control
D)   Sensitivity control
E)   Stylus temperature controlF) B) and E)
G) A) and B)

Question 16

Which of the following is a measurement taken to determine the amount of air that can be quickly forced from the lungs?

Accepted Answer

A)   Maximal voluntary ventilation
B)   Tidal volume
C)   Forced vital capacity
D)   Peak expiratory flow rate
E)   Peak flow zoneF) C) and D)
G) A) and B)

Question 17

Which of the following delays the electrical impulse to give time for the atria to complete contraction and the ventricles to fill?

Accepted Answer

A)   Bundle of His
B)   SA node
C)   Bundle branches
D)   AV node
E)   Purkinje fibersF) A) and C)
G) None of the above

Question 18

Which of the following measures the patient's response to a constant or increasing workload?

Accepted Answer

A)   Holter monitor test
B)   Exercise ECG
C)   resting ECG
D)   Ultrasound
E)   Peak expiratory flow rateF) C) and D)
G) D) and E)

Question 19

The process of using ultrasound to view the heart in motion is called ________.

Accepted Answer

The answer of The process of using ultrasound to view...

Question 20

The deflections that occur on an ECG are labeled with the letters ____.

Accepted Answer

A)   A, B, C, D, E, and F
B)   P, Q, R, S, T, and U
C)   H, I, J, K, and L
D)   V, W, X, Y, and Z
E)   M, N, O, P, and QF) A) and D)
G) B) and D)

Exam 46: Electrocardiography and Pulmonary Function Testing

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

Correct AnswerverifiedShow Answer

This artifact is caused by ________.

Correct AnswerverifiedAC interfe...View AnswerShow Answer

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

Correct AnswerverifiedShow Answer

The impulse that travels through both ventricles is the ____.

Correct AnswerverifiedShow Answer

When using pulse oximetry long-term, you should move the sensor to a new site every ____.

Correct AnswerverifiedShow Answer

Which of the following is a measurement taken to determine the amount of air that can be quickly forced from the lungs?

Correct AnswerverifiedShow Answer

Which of these arrhythmias 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

A pulse oximeter reading of less than 95% indicates low blood oxygen, or ________.

Correct AnswerverifiedShow Answer

The artifact pictured here is ________.

Correct AnswerverifiedShow Answer

The peak flow zone that requires immediate medical treatment is the ____.

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

Which of the following measures the patient's response to a constant or increasing workload?

Correct AnswerverifiedShow Answer

Which of the following delays the electrical impulse to give time for the atria to complete contraction and the ventricles to fill?

Correct AnswerverifiedShow Answer

The _________ is a pen-like instrument that records the electrical impulses on the ECG paper.

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

The ____ send(s) out electrical impulses to initiate depolarization.

Correct AnswerverifiedShow Answer

The deflections that occur on an ECG are labeled with the letters ____.

Correct AnswerverifiedShow Answer

The process of using ultrasound to view the heart in motion is called ________.

Correct AnswerverifiedShow Answer

When pressed, which of the following should cause the stylus to move up 10mm (10 small squares) and remain there for 0.08 second (2 small squares or 2 mm) ?

Correct AnswerverifiedShow Answer

What is the arrhythmia pictured here?

Correct AnswerverifiedShow Answer

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