Question 1

Which of the following is true about a treadmill stress test?

Accepted Answer

A) It is an invasive ECG tracing. 
B) It is taken under uncontrolled conditions. 
C) The stress test is monitored closely by the provider. 
D) Electrodes are applied to the arms, chest, and legs. 
A) It is an invasive ECG tracing. 
B) It is taken under uncontrolled conditions. 
C) The stress test is monitored closely by the provider. 
D) Electrodes are applied to the arms, chest, and legs. C

Question 2

Why would the medical assistant place the power cord pointing away from the patient and not allow the cable to go underneath the table?

Accepted Answer

A) Causes interrupted baseline 
B) Helps reduce AC interference 
C) Helps reduce wandering baseline 
D) Causes somatic tremor artifacts 
A) Causes interrupted baseline 
B) Helps reduce AC interference 
C) Helps reduce wandering baseline 
D) Causes somatic tremor artifacts B

Question 3

Which of the following is a device placed on the skin that picks up electrical impulses given off by the heart?

Accepted Answer

A) Lead wire 
B) Amplifier 
C) Electrode 
D) Electrolyte 
A) Lead wire 
B) Amplifier 
C) Electrode 
D) Electrolyte C

Question 4

? Which of the following best describes how the augmented leads are recorded?

Accepted Answer

A) Before the bipolar 
B) After the precordial leads 
C) After the bipolar leads 
A) Before the bipolar 
B) After the precordial leads 
C) After the bipolar leads

Question 5

Which of the following types of atrial arrhythmia is characterized by extremely rapid incomplete contractions?

Accepted Answer

A) Premature atrial contraction 
B) Paroxysmal atrial tachycardia 
C) Atrial fibrillation 
D) Sinus bradycardia 
A) Premature atrial contraction 
B) Paroxysmal atrial tachycardia 
C) Atrial fibrillation 
D) Sinus bradycardia

Question 6

Which of the following best describes electrocardiograph paper?

Accepted Answer

A) Light sensitive 
B) Chemically sensitive 
C) Heat sensitive 
D) Moisture sensitive 
A) Light sensitive 
B) Chemically sensitive 
C) Heat sensitive 
D) Moisture sensitive

Question 7

Which of the following is NOT a characteristic of a three-channel or multichannel electrocardiogram?

Accepted Answer

A) The tracing is recorded on 8 1/2 by 11-inch paper. 
B) Three or more leads are recorded at one time. 
C) It fits into a patient's chart with no cutting or mounting. 
D) Speed is an advantage. 
E) It records one lead at a time 
A) The tracing is recorded on 8 1/2 by 11-inch paper. 
B) Three or more leads are recorded at one time. 
C) It fits into a patient's chart with no cutting or mounting. 
D) Speed is an advantage. 
E) It records one lead at a time

Question 8

Which of the following is NOT true about Holter monitor electrodes?

Accepted Answer

A) They are disposable. 
B) The electrodes contain an electrolyte gel. 
C) There are only 6 to 7 electrodes used. 
D) The electrodes are applied in different locations than in a resting ECG. 
A) They are disposable. 
B) The electrodes contain an electrolyte gel. 
C) There are only 6 to 7 electrodes used. 
D) The electrodes are applied in different locations than in a resting ECG.

Question 9

Where is the lead for a V6 reading placed?

Accepted Answer

A) Fourth intercostals space at right sternal margin 
B) Fifth intercostals space at midclavicular line 
C) Horizontal to V4 at left anterior axillary line 
D) Horizontal to V4 at left midaxillary line 
A) Fourth intercostals space at right sternal margin 
B) Fifth intercostals space at midclavicular line 
C) Horizontal to V4 at left anterior axillary line 
D) Horizontal to V4 at left midaxillary line

Question 10

Which of the following type of ventricular arrhythmia is considered a common disturbance in the rhythm?

Accepted Answer

A) Premature ventricular contraction 
B) Ventricular fibrillation 
C) Ventricular tachycardia 
D) None of the above 
A) Premature ventricular contraction 
B) Ventricular fibrillation 
C) Ventricular tachycardia 
D) None of the above

Question 11

Where does deoxygenated blood enter the heart?

Accepted Answer

A) Pulmonary artery 
B) Pulmonary vein 
C) Right atrium 
D) Right ventricle 
A) Pulmonary artery 
B) Pulmonary vein 
C) Right atrium 
D) Right ventricle

Question 12

Which of the following best describes an electrocardiogram?

Accepted Answer

A) Performed on every adult patient over 40 
B) Visualization of the heart's activity 
C) Graphic representation of the heart's electrical activity 
D) Only indicated when patients have symptoms 
A) Performed on every adult patient over 40 
B) Visualization of the heart's activity 
C) Graphic representation of the heart's electrical activity 
D) Only indicated when patients have symptoms

Question 13

Why are electrodes applied to the fleshy part of a limb?

Accepted Answer

A) To reduce AC interference 
B) To correct wandering baseline 
C) To prevent interrupted baseline 
D) To minimize the artifacts 
A) To reduce AC interference 
B) To correct wandering baseline 
C) To prevent interrupted baseline 
D) To minimize the artifacts

Question 14

Which of the following is a reason to have an EKG?

Accepted Answer

A) Detects myocardial ischemia 
B) Estimates damage from MI 
C) Evaluates arrhythmia 
D) Assesses cardiac medication on the heart 
E) All the above 
A) Detects myocardial ischemia 
B) Estimates damage from MI 
C) Evaluates arrhythmia 
D) Assesses cardiac medication on the heart 
E) All the above

Question 15

Which of the following best describes the contraction of the cardiac cells from the electrical discharge?

Accepted Answer

A) Repolarization 
B) Negative deflection 
C) Depolarization 
D) Polarization 
A) Repolarization 
B) Negative deflection 
C) Depolarization 
D) Polarization

Question 16

Which of the following best describes what the P wave represents?

Accepted Answer

A) Atrial depolarization 
B) Ventricular depolarization 
C) Atrial repolarization 
D) Ventricular repolarization 
A) Atrial depolarization 
B) Ventricular depolarization 
C) Atrial repolarization 
D) Ventricular repolarization

Question 17

Which of the following is the lead that records electrical activity between the right arm and the left leg?

Accepted Answer

A) Lead I 
B) AVL 
C) AVF 
D) Lead II 
E) Lead III 
A) Lead I 
B) AVL 
C) AVF 
D) Lead II 
E) Lead III

Question 18

If the electrocardiograph is properly standardized, the standardization mark should be how high?

Accepted Answer

A) 5 mm 
B) 10 mm 
C) 15 mm 
D) 20 mm 
A) 5 mm 
B) 10 mm 
C) 15 mm 
D) 20 mm

Question 19

Which of the following occurs if the metal tip of a lead wire becomes detached from an electrode?

Accepted Answer

A) Alternating current artifacts 
B) Muscle artifacts 
C) Wandering baseline 
D) Interrupted baseline 
A) Alternating current artifacts 
B) Muscle artifacts 
C) Wandering baseline 
D) Interrupted baseline

Question 20

What is the term used to refer to an ECG reading that is within normal limits?

Accepted Answer

A) Sinus arrhythmia 
B) Baseline recording 
C) Normal sinus rhythm 
D) Atrial fibrillation 
A) Sinus arrhythmia 
B) Baseline recording 
C) Normal sinus rhythm 
D) Atrial fibrillation

Exam 36: Cardiac Procedures

Which of the following is true about a treadmill stress test?

Why would the medical assistant place the power cord pointing away from the patient and not allow the cable to go underneath the table?

Which of the following is a device placed on the skin that picks up electrical impulses given off by the heart?

? Which of the following best describes how the augmented leads are recorded?

Which of the following types of atrial arrhythmia is characterized by extremely rapid incomplete contractions?

Which of the following best describes electrocardiograph paper?

Which of the following is NOT a characteristic of a three-channel or multichannel electrocardiogram?

Which of the following is NOT true about Holter monitor electrodes?

Where is the lead for a V6 reading placed?

Which of the following type of ventricular arrhythmia is considered a common disturbance in the rhythm?

Where does deoxygenated blood enter the heart?

Which of the following best describes an electrocardiogram?

Why are electrodes applied to the fleshy part of a limb?

Which of the following is a reason to have an EKG?

Which of the following best describes the contraction of the cardiac cells from the electrical discharge?

Which of the following best describes what the P wave represents?

Which of the following is the lead that records electrical activity between the right arm and the left leg?

If the electrocardiograph is properly standardized, the standardization mark should be how high?

Which of the following occurs if the metal tip of a lead wire becomes detached from an electrode?

What is the term used to refer to an ECG reading that is within normal limits?

The Medical Assisting Profession

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