Brainscape's Knowledge GenomeTM

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


See full index

PAM Bootcamp > Chapter 19 The circulatory system > Flashcards

Chapter 19 The circulatory system Flashcards

1
Q

Explain the pulmonary circuit

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

Explain the systemic circuit

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

What is the shape, location, and size of the heart?

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

What are the layers of the heart?

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

What are the layers of the pericardium?

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

What are the three layers of the heart wall?

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

What is the function of heart valves?

A

ensure unidirectional blood flow through the heart

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

What are the two sets of valves?

A

atrioventricular (AV) valves
Semilunar (SL) valves

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

What are the four chambers of the heart and their valves?

A

R and L atrium
R and L Ventricle

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

Label the four chambers of the heart and valves

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

Label the exterior structures of the heart

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

Identify the major cardiac veins

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

Most coronary blood returns to the right atrium via the cardiac vein by way of the _____

A

coronary sinus

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

Explain the blood flow path

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

Describe the cardiac muscle structure and function

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

composed of an internal pacemaker and nerve like conduction pathways through mycocardium

A

The intrinsic conduction system

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

Explain the intrinisic conduction system

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

What ensures the heart contracts as a unit?

A

gap junctions

19
Q

____ of the heart is rhythmic and spontaneous

A

depolarization

20
Q

Explain the extrinsic regulation of heart activity

A
21
Q

The action potentials generated by nodal and contractile cells detected, amplified and recorded by electrodes on arms, legs, and chest

A

Electrocardiogram(EKG)

22
Q

What are the three waves depicted in an EKG and their function?

A
23
Q

Interpert this normal EKG

A
24
Q

one complete contractin and relaxation of all four chambers of the heart

A

cardiac cycle

25
Q

contraction cycle of the heart

A

systole

26
Q

relaxation cycle of the heart

A

diastole

27
Q

Diastole and systole refer to the action of the?

A

ventricles

28
Q

How do changes in blood pressure in the heart operate the heart valves?

Refer to images sent

A
29
Q

Volume of blood pumped by each ventricle in one minute

A

Cardiac output

30
Q

What is the formula for cardiac output?

A
31
Q

What is the volume of blood entering and leaving the body?

A
32
Q

Explain tachycardia and how it affect HR?

A
33
Q

Explain bradycardi and its relation to HR?

A
34
Q

factors that raise the heart rate

A

Positive chronotropic agents

35
Q

factors that lower the heart rate

A

negative chronotropic agents

36
Q

volume of blood ejected from each ventricle per bet

A

Stroke volume

37
Q

What is the formula to calculate SV

A
38
Q

volume of blood in ventricle at the end of ventricular relaxation

A

End diastolic volume (EDV)

39
Q

volume of blood in ventricle at the end of ventricular contraction

A

End systolic volume (ESV)

40
Q

What are the three main factors that affect Stroke Volume?

A
  1. preload 2. contractility 3. afterload
41
Q

Explain preload

A
42
Q

Explain contractility

A
43
Q

Explain afterload

A

PAM Bootcamp (19 decks)

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