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MOA215 > Quiz #7 Chapter 12 > Flashcards

Quiz #7 Chapter 12 Flashcards

0
Q

Represents one complete heartbeat?

A

Cardiac Cycle

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1
Q

Graphic representation of the electrical activity of the heart?

A

Electrocardiogram (ECG)

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2
Q

Abnormal electrical activity in the heart causing an irregular heartbeat?

A

Cardiac Dysrhythmia

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3
Q

What are the four waves associated with the ECG cycle?

A

P
Q
R
S

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4
Q

AV node transmits electrical impulses to the_____?

A

Bundle of His

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5
Q

What does FVC stand for?

A

Forced Vital Capacity

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6
Q

Sinoatrial node (SA node) - Initiates and regulates the heartbeat, known as the______of the heart.

A

Pacemaker

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7
Q

_______is a poor conductor of electricity.

A

Skin

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8
Q

True or False: ECG must be used in combination with: Patient’s symptoms, Health history, Physical examination, Other diagnostic and laboratory tests.

A

True

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9
Q

______refers to an ECG that is within normal limits.

A

Normal sinus rhythm

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10
Q

The flat, horizontal line that separates the various waves is known as the_______.

A

Baseline

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11
Q

_______ is the length of a wave or the length of a wave with a segment.

A

Interval

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12
Q

What is impaired blood flow to the heart muscle?

A

Cardiac Ischemia

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13
Q

How many leads are there in a standard ECG?

A

12 Leads

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14
Q

What can a muscle artifact to be identified by?

A

Fuzzy, irregular baseline.

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15
Q

When doing an ECG what position should you put the patient in?

A

Supine

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16
Q

What are the two types of muscle artifacts?

A

Involuntary muscle movement

Voluntary muscle movement

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17
Q

True or False: hypoexmia is the reduction in the oxygen supply to the tissues of the body?

A

False

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18
Q

______ Represents additional electricity activity that is picked up by the electrocardiograph.

A

Artifacts

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19
Q

_______monitors and records the cardiac activity of a patient for 24 hours.

A

Holter monitor electrocardiography

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20
Q

________ Deficiency of blood in a body part.

A

Ischemia

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21
Q

What is a simple noninvasive screening test that is often performed in the medical office?

A

Spirometry

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22
Q

What is a chronic lung disease that affects the small airway of the lungs?

A

Asthma

23
Q

What is a portable, handheld manual or digital device used to measure a breathing maneuver performed by the patient?

A

Peak Flow Meter

24
Q

Dysrhythmias are classified as______,______or_______?

A

Extra beats
Abnormal rate
Abnormal rhythm

25
Q

Oxygen level in the blood is measured by_______and_______?

A

ABG (arterial blood gas) test

Pulse oximetry

26
Q

______is an instrument used to record the electrical activity of the heart.

A

Electrocardiograph

27
Q

A_______ is a tracing of the electrical activity of the heart between two electrodes.

A

Lead

28
Q

True or False: to ensure accurate and valid test results this spirometer should be calibrated each day that the machine is used.

A

True

29
Q

Name the most muscular and powerful chamber of the heart which serves to pump blood to the entire body.

A

The left ventricle

30
Q

What are the other two most common artifacts (the first one is a muscle artifact)?

A

Wandering baseline artifact

60-cycle interference artifact

31
Q

True or False: The most important parameters obtain from spirometry testing are: Forced Vital Capacity (FVC), Forced Expiratory Volume after 1 Second (FEV1), and FEV1/FVC ratio.

A

True

32
Q

What symptoms does an ECG Evaluate?

A

Chest pain,
shortness of breath,
dizziness,
or heart palpatations

33
Q

What are the 4 chambers of the heart?

A

Right and left atria, right and left ventricles

34
Q

What does asthma affect?

A

The smaller bronchi

The bronchioles of the lungs

35
Q

What does PFT stand for?

A

Pulmonary Function Test

36
Q

_______is the most serious dysrhythmia.

A

V-fib

37
Q

What are the 2 large veins in the heart?

A

Superior vena cava

Inferior vena cava

38
Q

True or False: an ECG records only about 15 seconds of the hearts electrical activity.

A

False

39
Q

What is the abbreviation for premature artial contraction?

A

PAC

40
Q

True or False: an advantage of the compressed oxygen gas is less expensive than liquid oxygen.

A

True

41
Q

The human heart consists of_____chambers.

A

4

42
Q

True or False: Lead II shows the hearts rhythm more clearly than the other leads.

A

True

43
Q

Electrodes should be stored in a______area.

A

Cool

44
Q

True or False: one of the reasons electrocardiograms are used, is to determine the presence of hypertrophy (enlargement) of the heart.

A

True

45
Q

Following the U wave, the heart is….?

A

Polarized

46
Q

Normally the ECG is recorded with the paper moving at a speed of….?

A

25mm/sec.

47
Q

What’s in the upper left chambers of the heart?

A

Right & Left atria

47
Q

Most common rhythm disorder?

A

Paroxysmal atrial tachycardia

48
Q

True or False: Asthma can occur at any age but is more common in children and young adults?

A

True

49
Q

True or False: asthma is a chronic disease with no cure.

A

True

50
Q

Blood exits through the left ventricle and then through the______to distribute to all parts of the body.

A

Aorta

51
Q

True or False: The physician determines the patient’s need for oxygen therapy through clinical observation of the patient and by measuring the oxygen level of the patients blood.

A

True

52
Q

Blood entering the_______is deoxygenated.

A

Right atrium

53
Q

True or False: The standardization mark is 5mm high.

A

False

MOA215 (11 decks)

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