Brainscape's Knowledge GenomeTM

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


See full index

A&P 2 FALL > Ch 19 -Heart > Flashcards

Ch 19 -Heart Flashcards

1
Q

Cardiac output

A

Volume of blood pumped by one ventricle in a minute

Determined by stroke volume and heart rate

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

Great vessels

A

Inferior and superior vena cava

Aorta

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

atrial systole

A

Atria contract and ventricles are relaxed

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

Valves

A

Permit passage of blood in one direction and prevent back-flow

Semilunar and atrioventricular

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

Wave forms in ECG (EKG)

A

P wave
QRS complex
T wave

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

Autorrhythmicity

A

Heart itself is responsible for initiating the heartbeat

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

Serous fluid

A

Between parietal and visceral layer of pericardium

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

Cardiomyopathy

A

Disease in myocardium

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

Major vessels empty into right atrium

A

Inferior vena cava

Coronary sinus

Superior vena cava

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

Apex

A

Inferior

Conical end of the heart

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

After load

A

Resistance in arteries to the ejection of blood by the heart

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

Small cardiac vein

A

Travels alongside the right marginal artery

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

SA node

A

Heartbeat

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

Chronotropic agent

A

Chemical

Alters heart rate

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

Tachyarrhythmia would show abnormal what?

A

Small Q-T interval

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

Pulmonary circuit

A

Deoxygenated blood in arteries

17
Q

Vagal tone

A

Decreasing of the heart rate

Parasympathetic

18
Q

Pericardial cavity location

A

Between visceral and parietal layers of serous pericardium

19
Q

Middle cardiac vein

A

Drains the posterior aspect of ventricles of the heart

20
Q

Ventricular contraction

A

Semilunar valves open

AV valves close

21
Q

Cardiac centers

A

Medulla oblongata

ANS

22
Q

Proprioreceptors

A

Muscles and joints

Inform cardiac centers about changes in activity

23
Q

Baroreceptors

A

Aorta and internal carotid arteries

Inform cardiac centers about changes in BP

24
Q

Chemoreceptors

A

Aortic arch, carotid arteries, medulla oblongata

Inform cardiac centers about blood O2, CO2, and pH

25
Q

Angina pectoris

A

Chest pain caused by obstruction of coronary blood flow

Results in death of myocardial tissue

26
Q

Myocardial infarction

A

Death of heart muscle

Caused by blocked coronary circulation

1/2 deaths in US

A&P 2 FALL (5 decks)

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