Question 1

In the case of __________,the patient has general malaise and muscle cramps.The condition may occur if diuretics are used without potassium supplementation.

Accepted Answer

The answer of In the case of __________,the patient has...

Question 2

The augmented leads,which include aVR and aVL,record the electrical activity between specific points on the chest wall and within the heart.

Accepted Answer

A) True 
 B)False

Question 3

Patients should not hold their breath during the brief seconds necessary to record an ECG.

Accepted Answer

A) True 
 B)False

Question 4

The right leg is used to ground the recording of the augmented leads.

Accepted Answer

A) True 
 B)False

Question 5

A cardiac event monitor must be worn at all times,even during bathing,to detect cardiac abnormalities.

Accepted Answer

A) True 
 B)False

Question 6

Lead __________ records the electrical activity between the left arm and the left leg.

Accepted Answer

The answer of Lead __________ records the electrical activity between...

Question 7

Documentation for an ECG should include whether the patient smoked a cigarette within 15 minutes of the procedure.

Accepted Answer

A) True 
 B)False

Question 8

One of the most specific ECG changes that occurs in patients with an MI is elevated T waves.

Accepted Answer

A) True 
 B)False

Question 9

The _________ reflects the time between the end of ventricular contraction and the beginning of ventricular recovery.

Accepted Answer

A)  U wave 
B)  QRS complex 
C)  ST segment 
D)  QT interval 
A)  U wave 
B)  QRS complex 
C)  ST segment 
D)  QT interval

Question 10

Which of the following may be seen on an ECG when the pathway of the electrical charge is normal,but the rate or rhythm of the heartbeat is altered?

Accepted Answer

A)  Biochemical arrhythmia 
B)  Atrial arrhythmia 
C)  Ventricular arrhythmia 
D)  Sinus arrhythmia 
E)  Atrial flutter 
A)  Biochemical arrhythmia 
B)  Atrial arrhythmia 
C)  Ventricular arrhythmia 
D)  Sinus arrhythmia 
E)  Atrial flutter

Question 11

Which cardiac diagnostic tool requires the patient to exercise during the procedure?

Accepted Answer

A)  Stress test 
B)  Heart scan 
C)  Holter monitor 
D)  Event monitor 
A)  Stress test 
B)  Heart scan 
C)  Holter monitor 
D)  Event monitor

Question 12

Bradycardia is defined as

Accepted Answer

A)  a faster than normal heart rate. 
B)  a slower than normal heart rate. 
C)  chest pain. 
D)  an irregular heartbeat. 
A)  a faster than normal heart rate. 
B)  a slower than normal heart rate. 
C)  chest pain. 
D)  an irregular heartbeat.

Question 13

Preparation of a patient for an ECG includes

Accepted Answer

A)  placing the electrodes over bony prominences on the arms and legs. 
B)  making sure the bed is pushed against the wall to stabilize the unit. 
C)  placing the ground electrode at V6. 
D)  instructing female patients to remove their bra and pantyhose. 
A)  placing the electrodes over bony prominences on the arms and legs. 
B)  making sure the bed is pushed against the wall to stabilize the unit. 
C)  placing the ground electrode at V6. 
D)  instructing female patients to remove their bra and pantyhose.

Question 14

The medical assistant may assist with pacemaker implantation in the physician's office setting.

Accepted Answer

A) True 
 B)False

Question 15

An implanted ICD monitors the heart rhythm and automatically performs __________ if it detects a dangerous tachycardia or fibrillation.

Accepted Answer

The answer of An implanted ICD monitors the heart rhythm...

Question 16

A(n)__________ is an ectopic ventricular beat that occurs without a preceding P wave.

Accepted Answer

premature

Question 17

If the ECG recording appears as a series of irregular,jagged peaks,the medical assistant should

Accepted Answer

A)  check for nearby electric appliances. 
B)  make sure all electrodes are in contact with the skin. 
C)  help the patient relax and stay warm. 
D)  check the cable connections to the electrodes. 
A)  check for nearby electric appliances. 
B)  make sure all electrodes are in contact with the skin. 
C)  help the patient relax and stay warm. 
D)  check the cable connections to the electrodes.

Question 18

A cardiac __________ is a diagnostic procedure performed to evaluate the patient's myocardial response to measured exercise.

Accepted Answer

The answer of A cardiac __________ is a diagnostic procedure...

Question 19

The __________ is a combination of all of the electric events that occur in the heart during a single heartbeat.

Accepted Answer

The answer of The __________ is a combination of all...

Question 20

Polarization is the same thing as myocardial contraction.

Accepted Answer

A) True 
 B)False

Exam 25: Principles of Electrocardiography

In the case of __________,the patient has general malaise and muscle cramps.The condition may occur if diuretics are used without potassium supplementation.

The augmented leads,which include aVR and aVL,record the electrical activity between specific points on the chest wall and within the heart.

Patients should not hold their breath during the brief seconds necessary to record an ECG.

The right leg is used to ground the recording of the augmented leads.

A cardiac event monitor must be worn at all times,even during bathing,to detect cardiac abnormalities.

Lead __________ records the electrical activity between the left arm and the left leg.

Documentation for an ECG should include whether the patient smoked a cigarette within 15 minutes of the procedure.

One of the most specific ECG changes that occurs in patients with an MI is elevated T waves.

The _________ reflects the time between the end of ventricular contraction and the beginning of ventricular recovery.

Which of the following may be seen on an ECG when the pathway of the electrical charge is normal,but the rate or rhythm of the heartbeat is altered?

Which cardiac diagnostic tool requires the patient to exercise during the procedure?

Bradycardia is defined as

Preparation of a patient for an ECG includes

The medical assistant may assist with pacemaker implantation in the physician's office setting.

An implanted ICD monitors the heart rhythm and automatically performs __________ if it detects a dangerous tachycardia or fibrillation.

A(n)__________ is an ectopic ventricular beat that occurs without a preceding P wave.

If the ECG recording appears as a series of irregular,jagged peaks,the medical assistant should

A cardiac __________ is a diagnostic procedure performed to evaluate the patient's myocardial response to measured exercise.

The __________ is a combination of all of the electric events that occur in the heart during a single heartbeat.

Polarization is the same thing as myocardial contraction.

Competency-Based Education and the Medical Assistant Student

The Health Record

Infection Control

Patient Assessment

Patient Education

Nutrition and Health Promotion

Vital Signs

Assisting With the Primary Physical Examination

Principles of Pharmacology

Pharmacology Math

Administering Medications

Safety and Emergency Practices

Assisting in Ophthalmology and Otolaryngology

Assisting in Dermatology

Assisting in Gastroenterology

Assisting in Urology and Male Reproduction

Assisting in Obstetrics and Gynecology

Assisting in Pediatrics

Assisting in Orthopedic Medicine

Assisting in Neurology and Mental Health

Assisting in Endocrinology

Assisting in Pulmonary Medicine

Assisting in Cardiology

Assisting in Geriatrics

Assisting With Diagnostic Imaging

Assisting in the Clinical Laboratory

Assisting in the Analysis of Urine

Assisting in Blood Collection

Assisting in the Analysis of Blood

Assisting in Microbiology and Immunology

Surgical Supplies and Instruments

Surgical Asepsis and Assisting With Surgical Procedures

Career Development and Life Skills

Filters

The augmented leads,which include aV_R and aV_L,record the electrical activity between specific points on the chest wall and within the heart.