Brainscape's Knowledge GenomeTM

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


See full index

Cardiology > Anatomy & Lecture > Flashcards

Anatomy & Lecture Flashcards

1
Q

The right ventricle empties into the

A

Pulmonary system

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

Veins carry blood

A

To the heart

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

Arteries carry blood

A

Away from the heart

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

Stroke volume

A

Amount of blood that the heart ejects during on contraction (60-100 ml)

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

Cardiac output is calculated by

A

Stroke volume x HR = CO (5-6 L/min)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Function of the AV node

A

Slows the conduction of the impulses from the atria to the ventricles (physiologic block)

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

Purkinje system

A

Innervates the myocardial cells

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

Pericardium

A

Surrounds the entire heart

Tough, fibrous sac, thick

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

Epicardium

A

Outermost layer

Thin membrane, reduces friction

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

Myocardium

A

Middle layer

Muscle

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

Endocardium

A

Inside of heart cavities and forms the valves

Thin membrane, plays a role in reducing turbulence inside heart

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

Interatrial septum

A

Separates the atria

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

Interventricular septum

A

Thick septum, separates the ventricles

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

Atrioventricular valves

A

Separate upper and lower portions of the heart, and prevents back flow of blood

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

Chordae Tendineae

A

Attached to papillary muscles in heart, keeping them from inverting (prolapsing) during ventricular contractions

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

The cardiac cell is normally ________ and contains a lot of ________

A

Negative, potassium

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

Polarized cell means

A

Negative and positive charges

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

Depolarizer cell means

A

Neutral charges

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

The anterior portion of the heart is the

A

Right ventricle

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

Excitability

A

Can respond to electricity

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

Conductivity

A

Can pass electricity to other cells

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

Automaticity

A

Can generate its own electricity

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

Contractility

A

Each cell can contract in the heart

24
Q

The left ventricle empties into the

A

Peripheral circulation

25
Q

SA intrinsic rate

A

60-100

26
Q

Arterial cells intrinsic rate

A

55-60

27
Q

AV intrinsic rate

A

45-50

28
Q

Bundle of His intrinsic rate

A

40-45

29
Q

Bundle branch intrinsic rate

A

40-45

30
Q

Purkinje cells intrinsic rate

A

35-40

31
Q

Myocardial cells intrinsic rate

A

30-35

32
Q

During depolarization

A

Cells are stimulated
Sodium and calcium rush into cell
The cell contracts

33
Q

Repolarization

A

Sodium-potassium pumps moves sodium out and potassium in

34
Q

Parasympathetic 4

A

Acetylcholine
Slows heart rate
Decreases Contractility
Slows conduction through AV

35
Q

Sympathetic 4

A

Epinephrine
Speeds up heart rate
Increases contractility
Speeds up conduction through the AV

36
Q

Bachman bundle

A

Transmits impulses through the intra-atrial septum to the left atrium

37
Q

Starlings law

A

Increased preload leads to increased stroke volume

38
Q

Semilunar valves

A

Pulmonic valve and aortic valve

39
Q

How many fascicles branch off of the left bundle branch

A

2

40
Q

Systole

A

Atria are full and ventricles are empty

41
Q

Early diastole

A

AV valves open, and rapid filling of the ventricles occurs

42
Q

Mid-diastole

A

Ventricles are full

43
Q

The left main coronary artery divides into

A

Left anterior descending artery

Circumflex coronary artery

44
Q

Lub-dub sounds are created by

A

Valves closing

45
Q

Lub heart sounds are caused by

A

Mitral and tricuspid valves closing at the start of ventricle contraction

46
Q

Dub heart sounds are caused by

A

Aortic and pulmonic valve closure at the end of ventricle contraction

47
Q

Three major arteries that arise from the aortic arch

A

Brachiocephalic (innominate)
Left common carotid
Left subclavian

48
Q

The descending aorta is subdivided into

A

The thoracic aorta and the abdominal aorta

49
Q

Venous blood empties into

A

The coronary sinus

50
Q

P wave is what/length

A

Depolarization of the atria

0.08-0.11

51
Q

PR segment is what/length

A

Transmission of electrical depolarization wave through AV

52
Q

PR interval is what/length

A

From P wave to QRS

0.11-0.20

53
Q

QRS is what/length?

A

Ventricular depolarization

0.06-0.11

54
Q

ST segment is what?

A

End of QRS to T wave

55
Q

T wave what is it

A

Ventricular repolarization

56
Q

Q wave is only significant if

A

0.03 or wider
Or if the height is equal to or greater than 1/3 of the R wave height
** indicates MI

Cardiology (1 decks)

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