Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

General A&P > Cardiovascular system- heart > Flashcards

Cardiovascular system- heart Flashcards

1
Q

The heart lies within the

A

mediastinum

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

The heart is enclosed within the

A

paracardium

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

The inferior conical end of the heart that angles to the left

A

apex

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Myocardial layer is much thicker on the _______ to ______

A

left side of the heart to pump blood to whole body

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

What are the 3 layers of the heart wall (outermost to inner most)

A
  1. Epidcardium 2. Myocardium 3. Endocardium
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

What type of tissue makes up the epicardium

A

simple squamous epithelim

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

What type of tissue makes up the myocardium

A

cardiac muscle

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

What type of tissue makes up the endocardium

A

simple squamous epithelim

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

What are the 2 upper chambers of the heart

A

atria (receiving chambers)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

What are the 2 lower chambers of the heart

A

ventricles (discharging chambers)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

What is the largest vein in the body

A

Vena cava

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Delivers deoxygenated blood from body to right atrium

A

Vena cava

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Transports deoxygenated blood from right ventricle to the lungs

A

pulmonary trunk

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Transport oxygenated blood from lungs to left atrium

A

pulmonary veins

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

transports oxygenated blood from left ventricle to body tissues

A

aorta

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

What is the largest artery in the body

A

aorta

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

prevents backflow of blood into right atrium

A

tricuspid valve

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

prevents backflow of blood into right ventricle

A

pulmonary semilunar valve

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

prevents backflow of blood into left atrium

A

bicuspid valve/ mitral valve

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

prevents backflow of blood into left ventricle

A

Aortic semilunar valve

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

Heart valves produce

A

heart beat sounds

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

Lub sound is produced by

A

AV valves closing

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

Dub sound is produced by

A

SL calve closing

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

AV

A

atrioventricular

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
Q

What are the 2 circulation routes

A
  1. Pulmonary circulation 2. Systemic circulation
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
26
Q

Carries deoxygenated blood from right side of the heart to the lungs

A

Pulmonary circulation

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
27
Q

Moves oxygenated blood from the left side of the heart to the systemic cells

A

Systemic circulation

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
28
Q

Once at the lungs

A

blood picks up oxygen and releases carbon dioxide

29
Q

Once at the systemic cells

A

blood drops off oxygen and picks up carbon dioxide

30
Q

What is the 9 step route of pulmonary circulation

A
  1. Right atrium 2. tricuspid valve 3. right ventricle 4. pulmonary semilunar valve 5. pulmonary trunk 6. pulmonary arteries 7. lungs 8. pulmonary veins 9. left atrium
31
Q

What is the 8 step route of systemic circulation

A
  1. Left atrium 2. bicuspid/mitral valve 3. left ventricle 4. aortic semilunar valve 5. aorta 6. body 7. vena cava 8. right atrium
32
Q

Coronary circulation supplies blood to/ carries blood away from the

A

myocardium

33
Q

Coronary arteries deliver ________ blood to myocardium

A

oxygenated

34
Q

Coronary veins transport ________ blood from myocardium to coronary sinus

A

de-oxygenated

35
Q

What initiates and conducts nervous impulses to ensure proper timing of heartbeats

A

The hearts intrinsic conduction system

36
Q

Heartbeat is regulated by the ______ nervous system

A

autonomic

37
Q

What is the order (5) that nervous signals pass through the heart to conduct heartbeats

A
  1. SA node 2. Atriventricular node 3. Atrioventricular bundle 4. Right and left bundles 5. Purkinje fibers
38
Q

What is known as the pacemaker of the heart

A

Sinoatrial node

39
Q

What structures serves to slow the nervous impulse down in the heart

A

atrioventricular node

40
Q

Where is the cardiac center located

A

medulla oblongata

41
Q

The cardiac center contains what 2 centers

A
  1. Cardioacceleratory 2. Cardioninhibitory
42
Q

Cardioacceleratory centers send signals via

A

sympathetic pathways

43
Q

Cardioinhibitory center send signals via

A

parasympathetic pathways

44
Q

Parasympathetic innervation_______ heart rate

A

decreases

45
Q

Sympathetic innervation _________ heart rate

A

increase

46
Q

Measures electrical activity of the heart

A

electrocardiogram (EKG)

47
Q

EKG P wave

A

atrial depolarization

48
Q

EKG QRS wave

A

ventricular depolarization and atrial repolarization

49
Q

EKG T wave

A

ventricular repolarization

50
Q

All events that occur in the heart from the start of one heart beat to the next

A

Cardiac cycle

51
Q

How long does a cardiac cycle last

A

0.8 seconds

52
Q

Contraction

A

systole

53
Q

relaxation

A

distole

54
Q

Contraction_______ pressure

A

increases

55
Q

Relaxation _____ pressure

A

decreases

56
Q

Blood moves

A

down its pressure gradient

57
Q

What ensures unidirectional blood flow

A

valves

58
Q

Heart rate measures

A

the number of beats per minute

59
Q

what is the average heart rate

A

70 bpm

60
Q

Measures the amount of blood ejected per beat

A

Stroke volume

61
Q

Measures the amount of blood moved by a single ventricle in one minute

A

Cardiac output

62
Q

EDV

A

End diastolic volume

63
Q

ESV

A

End systolic volume

64
Q

What is average stroke volume

A

70 ml/beat

65
Q

HR of less that 60 bpm

A

bradycardia

66
Q

What 3 things may cause bradycardia

A
  1. hypothyroidism 2. electrolyte imbalance 3. congestive heart failure
67
Q

HR of greater than 100 bpm

A

Tachycardia

68
Q

What 3 things may cause tachycardia

A
  1. heart disease 2. fever 3. anxiety

General A&P (23 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions