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exam 2 > Ch 14 questions > Flashcards

Ch 14 questions Flashcards

0
Q

The aorta receives its blood supply from the:

A

Left ventricle

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1
Q

_______ allows a cardiac muscle cell to contract spontaneously without a stimulus from a nerve source.

A

Automaticity

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2
Q

Blood enters the right atrium from the body through the:

A

Vena cava

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3
Q

The only vein(s) in the body that carry oxygenated blood is/are the:

A

Pulmonary veins

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4
Q

Normal electrical impulses originate in the sinus node, just above the:

A

Atria

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5
Q

Dilation of the coronary arteries________ blood flow.

A

Increases

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6
Q

The ________ are tiny blood vessels that are approximately one cell thick.

A

Capillaries

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7
Q

_______ carry oxygen to the body’s tissues and then remove carbon dioxide.

A

Red blood cells

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8
Q

_______ is the maximum pressure exerted by the left ventricle as it contracts.

A

Systolic blood pressure

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9
Q

Atherosclerosis can lead to a complete _______ of a coronary artery.

A

Occlusion

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10
Q

The lumen of an artery may be partially or completely blocked by the blood-clotting system due to a ________ that exposes the inside of the atherosclerotic wall.

A

Crack

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11
Q

Tissues downstream from a blood clot will suffer from a lack of oxygen. If blood is resumed in a short time, the ________ tissues will recover.

A

Ischemic

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12
Q

Risk factors for myocardial infarction include all of the following EXCEPT:

A

Increased activity level

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13
Q

When, for a brief period of time, heart tissues do not get enough oxygen, the pain is called:

A

Angina

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14
Q

Angina pain may be felt in the:

A

Epigastrium

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15
Q

The underlying cause of a dissecting aortic aneurysm is:

A

Uncontrolled hypertension

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16
Q

Because the oxygen supply to the heart is diminished with angina, the __________ can become compromised, putting the person at risk for significant cardiac rhythm problems.

A

Electrical system

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17
Q

About ________ minutes after blood flow is cut off, some heart muscle cells begin to die.

A

30

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18
Q

An acute myocardial infarction is more likely to occur in the larger, thick-walled left ventricle, which needs more ________ than the right ventricle.

A

Blood and oxygen

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19
Q

Which of the following statements regarding CHF is FALSE?

A

Stridor is a common lung sound heard on exam

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20
Q

Cardiogenic shock can occur within 24 hours of a(n):

A

Acute myocardial infarction

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21
Q

Sudden death is usually the result of __________, in which the heart fails to generate an effective blood flow.

A

Cardiac arrest

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22
Q

Disorganized, ineffective quivering of the ventricles is known as:

A

Ventricular fibrillation

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23
Q

Which of the following is NOT a cause of congestive heart failure?

A

Chronic hypotension

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24
Q

Signs and symptoms of shock include all of the following EXCEPT:

A

Elevated blood pressure

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25
Q

Which of the following changes in heart function occur in patients with CHF?

A

Enlargement of the left ventricle

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26
Q

Physical findings of AMI include skin that is _________ because of poor cardiac output and the loss of percussion.

A

Gray

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27
Q

All patient assessments begin by determining whether the patient:

A

Is responsive

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28
Q

To assess chest pain, use the mnemonic:

A

OPQRST

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29
Q

When using the mnemonic OPQRST, the “P” stands for:

A

Provocation

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30
Q

In addition to angina and myocardial infarction, nitroglycerin can be used to treat:

A

Congestive heart failure

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31
Q

When administering nitroglycerin to a patient, you should make sure the patient has not taken any medications for ____________ in the last 24 hours.

A

Erectile dysfunction

32
Q

In general, a maximum of_________ dose(s) of nitroglycerin is/are given for any one episode of chest pain.

A

Three

33
Q

___________ are inserted when the electrical-control system of the heart is so damaged that it cannot function properly.

A

Pacemakers

34
Q

When the battery wears out in a pacemaker, the patient may experience:

A

Syncope

35
Q

The computer inside the AED is specifically programmed to recognize rhythms that require defibrillation to correct, most common:

A

Ventricular fibrillation

36
Q

The AED should be applied only to unresponsive patients with no:

A

Pulse

37
Q

__________ usually refers to a state of cardiac arrest despite an organized electrical complex.

A

Pulseless electrical activity

38
Q

The links in the chain of survival include all of the following EXCEPT:

A

Early administration of nitroglycerin

39
Q

Defibrillation works best if it takes place within __________ minutes of the onset of cardiac arrest.

A

2

40
Q

The aorta receives its blood supply from the:

A

Left ventricle

41
Q

Blood enters the right atrium from the body through the:

A

Vena cava

42
Q

The only vein(s) in the body that carry oxygenated blood is/are the:

A

Pulmonary veins

43
Q

Normal electrical impulses originate in the sinus node, just above the:

A

Atria

44
Q

Dilation of the coronary arteries________ blood flow.

A

Increases

45
Q

The ________ are tiny blood vessels that are approximately one cell thick.

A

Capillaries

46
Q

_______ carry oxygen to the body’s tissues and then remove carbon dioxide.

A

Red blood cells

47
Q

_______ is the maximum pressure exerted by the left ventricle as it contracts.

A

Systolic blood pressure

48
Q

Atherosclerosis can lead to a complete _______ of a coronary artery.

A

Occlusion

49
Q

The lumen of an artery may be partially or completely blocked by the blood-clotting system due to a ________ that exposes the inside of the atherosclerotic wall.

A

Crack

50
Q

Tissues downstream from a blood clot will suffer from a lack of oxygen. If blood is resumed in a short time, the ________ tissues will recover.

A

Ischemic

51
Q

Risk factors for myocardial infarction include all of the following EXCEPT:

A

Increased activity level

52
Q

When, for a brief period of time, heart tissues do not get enough oxygen, the pain is called:

A

Angina

53
Q

Angina pain may be felt in the:

A

Epigastrium

54
Q

The underlying cause of a dissecting aortic aneurysm is:

A

Uncontrolled hypertension

55
Q

Because the oxygen supply to the heart is diminished with angina, the __________ can become compromised, putting the person at risk for significant cardiac rhythm problems.

A

Electrical system

56
Q

About ________ minutes after blood flow is cut off, some heart muscle cells begin to die.

A

30

57
Q

An acute myocardial infarction is more likely to occur in the larger, thick-walled left ventricle, which needs more ________ than the right ventricle.

A

Blood and oxygen

58
Q

Which of the following statements regarding CHF is FALSE?

A

Stridor is a common lung sound heard on exam

59
Q

Cardiogenic shock can occur within 24 hours of a(n):

A

Acute myocardial infarction

60
Q

Sudden death is usually the result of __________, in which the heart fails to generate an effective blood flow.

A

Cardiac arrest

61
Q

Disorganized, ineffective quivering of the ventricles is known as:

A

Ventricular fibrillation

62
Q

Which of the following is NOT a cause of congestive heart failure?

A

Chronic hypotension

63
Q

Signs and symptoms of shock include all of the following EXCEPT:

A

Elevated blood pressure

64
Q

Which of the following changes in heart function occur in patients with CHF?

A

Enlargement of the left ventricle

65
Q

Physical findings of AMI include skin that is _________ because of poor cardiac output and the loss of percussion.

A

Gray

66
Q

All patient assessments begin by determining whether the patient:

A

Is responsive

67
Q

To assess chest pain, use the mnemonic:

A

OPQRST

68
Q

When using the mnemonic OPQRST, the “P” stands for:

A

Provocation

69
Q

In addition to angina and myocardial infarction, nitroglycerin can be used to treat:

A

Congestive heart failure

70
Q

When administering nitroglycerin to a patient, you should make sure the patient has not taken any medications for ____________ in the last 24 hours.

A

Erectile dysfunction

71
Q

In general, a maximum of_________ dose(s) of nitroglycerin is/are given for any one episode of chest pain.

A

Three

72
Q

___________ are inserted when the electrical-control system of the heart is so damaged that it cannot function properly.

A

Pacemakers

73
Q

When the battery wears out in a pacemaker, the patient may experience:

A

Syncope

74
Q

The computer inside the AED is specifically programmed to recognize rhythms that require defibrillation to correct, most common:

A

Ventricular fibrillation

75
Q

The AED should be applied only to unresponsive patients with no:

A

Pulse

76
Q

__________ usually refers to a state of cardiac arrest despite an organized electrical complex.

A

Pulseless electrical activity

77
Q

The links in the chain of survival include all of the following EXCEPT:

A

Early administration of nitroglycerin

78
Q

Defibrillation works best if it takes place within __________ minutes of the onset of cardiac arrest.

A

2

exam 2 (22 decks)

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