Filters
Question type

Study Flashcards

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

verifed

verified

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


A) electrocardiograph
B) electroencephalograph
C) electrocardiogram
D) electroencephalogram
E) electrode

F) A) and D)
G) C) and D)

Correct Answer

verifed

verified

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


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

F) C) and D)
G) None of the above

Correct Answer

verifed

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?


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

F) B) and E)
G) B) and C)

Correct Answer

verifed

verified

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

Correct Answer

verifed

verified

What is the arrhythmia pictured here?


A) Atrial fibrillation
B) PVCs
C) Ventricular fibrillation
D) Bundle branch block
E) Cardiac arrest

F) A) and D)
G) A) and E)

Correct Answer

verifed

verified

This artifact is caused by ________.

Correct Answer

verifed

verified

AC interfe...

View Answer

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


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 Q

F) All of the above
G) D) and E)

Correct Answer

verifed

verified

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?


A) Atrial fibrillation
B) PVCs
C) Ventricular fibrillation
D) Bundle branch block
E) Ventricular tachycardia

F) B) and D)
G) All of the above

Correct Answer

verifed

verified

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

Correct Answer

verifed

verified

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) ?


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

F) A) and B)
G) All of the above

Correct Answer

verifed

verified

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


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

F) C) and D)
G) B) and D)

Correct Answer

verifed

verified

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


A) bundle branches
B) AV node
C) Purkinje fibers
D) SA node
E) bundle of His

F) None of the above
G) A) and D)

Correct Answer

verifed

verified

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


A) green zone
B) yellow zone
C) red zone
D) blue zone
E) orange zone

F) A) and B)
G) All of the above

Correct Answer

verifed

verified

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

Correct Answer

verifed

verified

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


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

F) D) and E)
G) B) and D)

Correct Answer

verifed

verified

The impulse that travels through both ventricles is the ____.


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

F) A) and E)
G) All of the above

Correct Answer

verifed

verified

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


A) Bundle of His
B) SA node
C) Bundle branches
D) AV node
E) Purkinje fibers

F) C) and E)
G) A) and B)

Correct Answer

verifed

verified

The artifact pictured here is ________.

Correct Answer

verifed

verified

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


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

F) A) and C)
G) C) and D)

Correct Answer

verifed

verified

Showing 61 - 80 of 94

Related Exams

Show Answer