15 Flashcards

0
Q

This ventricle pumps blood to the lungs

A

Right

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

Arteries and veins arise from this of the heart

A

Base

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

Scientific name for a heart attack

A

Myocardial infraction

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

The P wave of the electrocardiogram represents this event

A

Atrial depolarization then followed by stole

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

The first heart sound (Lubbock) is caused by closure of these valves

A

AV

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

Name the parts of the pericardium

A

2 main parts ;

1) fibrous
2) serous

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

The outermost layer of the pericardium

A

Fibrous

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

The layer of the pericardium that is adjacent to the heart muscle

A

Visceral

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

When the arena are systole the ventricles are in _____.

A

Diastole

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

When the ventricles are in systole the av valves are (opened/closed).

A

Closed

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

The man in function of the heart valves

A

Prevent back flow of blood

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

The “T” wave of the ECG indicates this event

A

ventricular depolarization

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

Venous blood (w/o oxygen) from the body returns to this chamber

A

Right Atrium

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

The coronary artists take blood to this location

A

Heart muscle itself

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

Hardening of the walls or arteries from smooth muscle proliferion and cholesterol deposit

A

Atherosclerosis

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

Condition caused by reduced loos flow to the myocardium

A

Myocardial ischemia

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

Irregular heart rhythm

A

Arrhythmia

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

Opening in the septum between the atria in a fetus

A

Foramen ovale

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

Narrowing of a valve opening by scar issue

A

Stenosis

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

Different areas of the heart beating independently

A

Fibrillation

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

Narrowing of the coronary artieries reducing blood flow to the heart; has a number of causes and is the leading cause of death in the U.S

A

(CAD) coronary artery diease

21
Q

The term “epicardium” refers to this structure

A

Outermost layer of the heart wall

22
Q

Circulation of blood through the heart muscle is supplied by the ___ circulation

A

Coronary

23
Q

Cardio muscle is know as____.

A

Myocardium

24
Q

Chamber with the thickest wall of the heart

A

Left ventricles

25
Q

The heartbeat originates in this mass of tissues

A

SA node

26
Q

Structure whose job is sequence the ventricular contractions with the atrial contractions

A

AV node

27
Q

The electrical conduction system in the outer walls of the ventricles

A

Conduction myofiber (Purkinje fibers)

28
Q

Location of the S-A node of the heart

A

Right Atrium

29
Q

The QRS spike represents this event

A

Ventricle contraction

30
Q

The second heart sound (dupp) is caused by this

A

SL valves closing

31
Q

Heart rate is monitored and regulated by this structure

A

Cardiovascular center of medulla

32
Q

This nerve decrease heart rate

A

Vagus (CN X)

33
Q

The heart speeds up when we stand up quickly due to receptors here that detect blood pressure changes

A

Carotid artery

34
Q

Explain the contractions of the chambers in the cardiac cycle

A

Atria contract that the ventricles contract

35
Q

Coronary arteries branch off from ____.

A

Aorta

36
Q

The action of ____ causes audible heart sounds

A

Valves

37
Q

What causes heart murmurs

A

Incomplete closing of a valve

38
Q

The period of relaxation in the cardiac cycle

A

Diastole

39
Q

A hear is stretched just before contraction will contract stronger according to this law

A

Frank - starling

40
Q

The contraction phase of the heart

A

Stystole

41
Q

The “good” chemicals that take cholesterol to the liver are

A

High- density (HOL’s) (lipoprotein)

42
Q

What cause the semilunar valves to close

A

Pressure in the ventricles is dropping

43
Q

The volume of blood ejected from by each ventricle with one contraction of the heart

A

Stroke volume (70 ml)

44
Q

The term describing heart chamber contraction is _____.

A

Systole

45
Q

Name several chemicals which would act to slow the heart rate

A

Increased levels of K+ or Na+

46
Q

The term describing heart chamber relaxation is _____.

A

Diastole

47
Q

Chest pain caused from ischemia

A

Angina pectoris

48
Q

Inflammation of the heart covering

A

Pericarditis

49
Q

The amount of blood ejected by each ventricle each minute

A

Cardiac output