Nha Ekg Exam

Front 1

The EKG records the...

Back 1

Electrical activity of the heart

Front 2

Electrodes are also referred to as:

Back 2

Leads

Front 3

Which of the following instruments measure blood pressure?

Back 3

Sphygmomanometer

Front 4

Hypotension is defined as:

Back 4

Systolic pressure below 90 and diastolic pressure below 60 mmHg

Front 5

Tissue swelling due to accumulation of interstitial fluids is called:

Back 5

Edema

Front 6

Which of the following supplies blood to the heart muscle?

Back 6

Coronary arteries

Front 7

Deoxygenated blood enters the right atrium via the:

Back 7

Superior and inferior vena cavae

Front 8

A murmur is an abnormal sound that may indicate:

Back 8

Structural heart disease

Front 9

The amount of blood pumped by the heart per minute is called:

Back 9

Cardiac output

Front 10

The stylus marks the EKG paper by:

Back 10

Impulse

Front 11

Narrowing of the valve between the left atrium and the left ventricle is called:

Back 11

Mitral stenosis

Front 12

The proper electrode placement for Holter monitoring is:

Back 12

Anterior trunk of the body

Front 13

Blood flow from the heart to the lungs is via the:

Back 13

Pulmonary arteries

Front 14

What is the correct order of the chain of infection?

Back 14

Source, means of transmission, suspecting host

Front 15

The descending aorta carries oxygenated blood to the:

Back 15

Systemic circulation

Front 16

The S wave is characterized as:

Back 16

The first negative wave after R

Front 17

The Q wave, if present, is always:

Back 17

Isoelectric

Front 18

Ventricular repolarization results in which of the following events?

Back 18

Relaxtion

Front 19

The PR interval is measured from:

Back 19

The beginning of the P wave to the end of the PR segment

Front 20

The ability of cardiac pacemaker cells to spontaneously generate their own electrical impulses without external stimulation is known as:

Back 20

Automaticity

Front 21

The first electrical impulses that is recorded on the EKG paper during a normal cardiac cycle is the:

Back 21

P wave

Front 22

A female patient complains about the EKG procedure and states "it's against my religion to be disrobed in front of a male technician." The appropriate response from the male EKG technician is to:

Back 22

Get a female EKG technician to perform the test

Front 23

Which of the following tests requires an informed consent signed by the patient?

Back 23

Exercise cardiac stress test

Front 24

EKG strips must include the following info:

Back 24

Patients name and identification number

Front 25

Which of the following would be a reason that a physician request exercise electrocardiography?

Back 25

Previous symptoms of angina (chest pain)

Front 26

Several wave forms

Back 26

Complex

Front 27

Movement about from the baseline

Back 27

Waveform

Front 28

A wave form and segment

Back 28

Interval

Front 29

A line between wave forms

Back 29

Segment

Front 30

The 12 lead EKG is produced by application of the following to the patient:

Back 30

10 electrodes (6 chest 4 arms/legs)

Front 31

An electrical event that is expected to result in contraction is called:

Back 31

Depolarization (discharge)

Front 32

The right ventricle pumps blood into the lungs through which valve?

Back 32

Pulmonic

Front 33

Which area of the circulation would you find mixed blood (oxygenated and deoxygenated)?

Back 33

Capillaries

Front 34

Which layer of the heart is responsible for contraction and relaxtion?

Back 34

Myocardium

Front 35

If the patient asks, "How did the ECG come out?" The ECG technician's response must be:

Back 35

"The doctor will give you the results"

Front 36

The normal running speed of the EKG paper is:

Back 36

25 mm/sec

Front 37

The normal sensitivity level for running EKG's is:

Back 37

1mv

Front 38

A normal standardization mark should measure:

Back 38

10 mm

Front 39

This ensures a check of the internal calibration of the EKG machine:

Back 39

Stylus

Front 40

The small squares horizontally on the EKG paper equal:

Back 40

.04 sec

Front 41

The vertical axis of the EKG paper measures:

Back 41

Voltage/Amplitude

Front 42

The P wave

Back 42

Atrial depolarization

Front 43

The PR segment

Back 43

Delay at the atrioventricular (AV) node

Front 44

The QRS complex

Back 44

Ventricular depolarization

Front 45

The ST segment

Back 45

Pause between ventricular depolarization and ventricular repolarization

Front 46

The T wave

Back 46

Ventricular repolarization

Front 47

A normal PR interval should measure:

Back 47

.12 - .20 seconds

Front 48

A normal QRS complex measures:

Back 48

< .12 seconds

Front 49

One method to calculate heart rate from an EKG strips is to:

Back 49

Count the small boxes between the R-R interval and divide into 1500

Front 50

Which of the following will not interfere with an EKG tracing:

Back 50

Patient falls asleep

Front 51

A normal sinus rhythm can have all the following features except:

Back 51

PR interval of .24 seconds

Front 52

Which of the following will often produce an irregular rhythm?

Back 52

Sinus dysrythmia

Front 53

The primary pacemaker for the healthy heart is the:

Back 53

SA node

Front 54

The inherent rate of the A-V junction is:

Back 54

40-60 pulses per minute

Front 55

5th intercostal space midclavicular line, left side

Back 55

V4

Front 56

Midpoint between V2 and V4

Back 56

V3

Front 57

4th intercostal space, right side of sternum

Back 57

V1

Front 58

5th intercostal space, midaxillary line, left side

Back 58

V6

Front 59

The correct lead from the center of the heart to the positive pole of the left leg:

Back 59

AVF

Front 60

The correct lead from the right arm to the left leg is:

Back 60

II

Front 61

The correct lead from the right arm to the left arm is:

Back 61

I

Front 62

The correct lead from the center of the heart to the positive pole of the right arm:

Back 62

AVR

Front 63

The correct lead from the left arm to the left leg is:

Back 63

III

Front 64

A small wave that appears after a T wave that is occasionally seen is called the:

Back 64

U wave

Front 65

Myocardial infarction (blocking of blood supply) is the medical name for:

Back 65

A heart attack

Front 66

The medical term for fainting is:

Back 66

Syncope

Front 67

The protective sac that covers the heart is called:

Back 67

Pericardium

Front 68

Another name for the bicuspid valve is the:

Back 68

Mitral valve

Front 69

A pounding or racing of the heart, such that the patient is aware of his/her heartbeat is called a:

Back 69

Palpitation

Front 70

Which limb sensor is the reference or ground electrode:

Back 70

Right leg

Front 71

Which of the following is not an EKG technician's responsibility during exercise electrocardiography?

Back 71

Administration of drugs

Front 72

Which of the following leads to a wandering on an EKG tracing?

Back 72

Tension or pulling an electrode lead wire

Front 73

How many electrodes are attached to the patient for Holter Monitoring? (24 hrs "pack")

Back 73

5 electrodes

Front 74

What sinus rhythm has a rate of more than 100 beats per minute?

Back 74

Sinus tachycardia

Front 75

Which of the following changes take place during respiration?

Back 75

The R-R intervals shorten with inspiration

Front 76

What is true about P waves?

Back 76

There is always a P wave before every QRS complex

Front 77

The heart rate for this patient is approx:

Back 77

75 bpm

Front 78

The rhythm for this patient is:

Back 78

Normal sinus rhythm

Front 79

What is the duration of the PR interval?

Back 79

.2 seconds

Front 80

This tracing is an example of:

Back 80

Ventricular tachycardia

Front 81

The heart rate for this patient is approximately:

Back 81

270 bpm

Front 82

This tracing is an example of:

Back 82

Atrial fibrillation

Front 83

Which of the following would not be a cause or a reason to stop the exercise electrocardiography?

Back 83

Patient's heart rate is considered normal

Front 84

The R-R interval on an EKG tracing is 5 large squares, the heart rate for this patient is:

Back 84

60 bpm

Front 85

The left atrium:

Back 85

Receives oxygenated blood from the lungs via the pulmonary veins

Front 86

Which of the four heart chambers had the thickest myocardium?

Back 86

Left ventricle

Front 87

The exchange of oxygen and carbon dioxide occurs at the level of the:

Back 87

Trachea

Front 88

The apex of the heart:

Back 88

Points downward and to the left

Front 89

In CPR what is the correct ratio of breaths to compressions?

Back 89

2 breaths to 30 compressions

Front 90

What is the key concepts of HIPAA?

Back 90

Confidentiality/Privacy

Front 91

According to the new CDC guidelines, Standard Precautions prevent the spread of infections from all of the following, except:

Back 91

Non-intact skin

Front 92

Who assigned the letters associated with the formation of the PQRS waves?

Back 92

Einthoven

Front 93

93

Back 93

Superior vena cavae

Front 94

97-100

Back 94

97. Left ventricle

98. Right ventricle

99. Tricuspid valve

100. Right atrium

Front 95

94

Back 95

Pulmonary artery

Front 96

95

Back 96

Left atrium

Front 97

96

Back 97

Aortic valve

Front 98

97

Back 98

Left ventricle

Front 99

98

Back 99

Right ventricle

Front 100

99

Back 100

Tricuspid valve

Front 101

100

Back 101

Right atrium