Chapter 7 Basic Electrocardiogram Monitoring - Test

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1

True or False?

The radiographer is informed that the patient to whom he is assigned is having an EKG. The radiographer is aware that an EKG and an ECG are one and the same.

True

2

True or False?

If the electrocardiogram reading is normal, the radiographer can assume that the patient does not have heart disease.

False

3

True or False?

At rest, under normal conditions, the SA node initiates 60 to 100 impulses per minute

True

4

When measuring the heart’s ability to function in an adequate manner, the radiographer must also consider the following:

A) The blood pressure
B) The respirations
C) The mental status of the patient
D) The peripheral pulses
E) All of the above

E) All of the above

5

If the ECG rate indicates that the heart rate is 48 beats per minute, the radiographer can assume that the patient is having a problem called:

A) Arrhythmia
B) Tachycardia
C) Bradycardia
D) Flutter
E) Fibrillation

C) Bradycardia

6

Each normal ECG wave form consists of___________, __________, and _________ waves.

P, QRS, T

7

The ECG reports the following:

A) Any pathology of the heart
B) The heart’s rate and rhythm
C) The electrical activity of the heart
D) a and b
E) b and c

E) b and c

8

The radiographer’s responsibilities in analyzing an ECG strip are:

A) To diagnose the problem and notify the team caring for the patient
B) To observe and report ominous changes in the ECG, assess the patient’s signs and symptoms of distress, and prepare for emergency care
C) To observe and report ominous changes in the ECG
D) To observe changes in the ECG rhythm and notify the team caring for the patient

B) To observe and report ominous changes in the ECG, assess the patient’s signs and symptoms of distress, and prepare for emergency care

9

Signs and symptoms, other than changes in the ECG pattern, that indicate that the patient is in distress while he is being monitored on the oscilloscope might be:

A) Respiratory distress
B) Increased anxiety
C) Complaints of chest pain
D) All of the above

E) All of the above

10

The ECG rhythm that the radiographer is expected to recognize is:

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

D) Normal sinus rhythm

11

In sinus bradycardia, ventricular an atrial rates are less than 60 and may result in significant _____ changes.

Hemodynamic

12

The screen on which ECG patterns appear is a _______.

oscilloscope

13

_____ acts as a wave throughout the myocardium and results in contraction of the heart

Depolarization

14

A collection of platelets, fibrin, and clotting factor that attaches to the interior wall of a vein and may result in occlusion of a vessel

A) Myocardial infarction
B) Thrombus
C) Myocardial ischemia
D) Hemodynamics
E) Angina

B) Thrombus

15

Death of heart tissue resulting from lack of oxygenated blood flow

A) Myocardial infarction
B) Thrombus
C) Myocardial ischemia
D) Hemodynamics
E) Angina

A) Myocardial infarction

16

Factor affecting the force of circulating blood

A) Myocardial infarction
B) Thrombus
C) Myocardial ischemia
D) Hemodynamics
E) Angina

D) Hemodynamics

17

Insufficient oxygenation of the tissues of the heart muscle

A) Myocardial infarction
B) Thrombus
C) Myocardial ischemia
D) Hemodynamics
E) Angina

C) Myocardial ischemia

18

A severe constricting pain or sensation in the chest that may radiate to shoulder or arm; related to coronary artery disease

A) Myocardial infarction
B) Thrombus
C) Myocardial ischemia
D) Hemodynamics
E) Angina

E) Angina

19

Process by which cardiac muscle cells change from a more negatively charged to a more positively charged intracellular state

A) Cardiogram
B) Dysrhythmia
C) Depolarization
D) Repolarization
E) Normal sinus rhythm

C) Depolarization

20

The tracing that depicts the heart's electrical activity

A) Cardiogram
B) Dysrhythmia
C) Depolarization
D) Repolarization
E) Normal sinus rhythm

A) Cardiogram

21

A pacing impulse that begins in the sinus node and travels normally down electrical conduction pathways

A) Cardiogram
B) Dysrhythmia
C) Depolarization
D) Repolarization
E) Normal sinus rhythm

E) Normal sinus rhythm

22

A disorder of the formation or conduction of the electrical impulses in the heart that alters the heart rate or rhythm or both

A) Cardiogram
B) Dysrhythmia
C) Depolarization
D) Repolarization
E) Normal sinus rhythm

B) Dysrhythmia

23

Cardiac muscle cells return to a more negatively charged intracellular condition (their resting state)

A) Cardiogram
B) Dysrhythmia
C) Depolarization
D) Repolarization
E) Normal sinus rhythm

D) Repolarization