Quiz 10 (Heart) Flashcards Preview

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Flashcards in Quiz 10 (Heart) Deck (90):
1

Two organs found in the mediastinum

heart
trachea

2

where major blood vessels come off the heart

base

3

pointy end of heart that sites by left lung

apex

4

separates atria from ventricles (wall)

atrioventricular septum

5

groove that goes all the way around the heart (encircles the base)

coronary sulcus

6

another name for coronary sulcus

atrioventricular sulcus

7

separates right and left ventricles (wall)

interventricular septum

8

groove that goes down the goes down the front of the heart. Originates by the aorta and moves inferiorly towards apex

anterior interventricular sulcus

9

groove that goes down the back of the heart. originates by the inferior vena cava and moves inferiorly towards the apex

posterior interventricular sulcus

10

external landmards of the interventricular septum

anterior/posterior interventricular sulci

11

Layers of the heart wall (inside to out)

endocardium
myocardium
epicardium

12

another name for epicardium

visceral pericardium

13

endocardium is made of these types of cells

simple squamous epithelium

14

myocardium is made of these types of cells

cardiac muscle

15

the epicardium is this type of tissue composed of these types of cells

serous membrane
mesothelium

16

coverings of the heart (inside out)

epicardium
pericardial cavity
pericardial sac

17

pericardial sac is compose of these (inside out)

parietal pericardium
fibrous pericardium

18

pericardium in direct contact with the heart

visceral pericardium (epicardium)

19

space between epicardium and parietal pericardium

pericardial cavity

20

reinforcing layer of the pericardial sac

fibrous pericardium

21

fibrous pericardium is made of this type of tissue

dense irregular connective tissue

22

parietal pericardium is made of this type of tissue and these types of cells

serous membrane
mesothelium

23

Flow of blood through heart starting in the R. atrium to the ascending aorta

R atrium
tricuspid valve
R ventricle
pulmonary semilunar valve
pulmonary trunk
R/L pulmonary artery
R/L lungs
R/L pulmonary veins
L atrium
bicuspid valve
L ventricle
aortic semilunar valve
ascending aorta

24

Heart chambers

R/L atrium
R/L ventricle

25

receives oxygen pour blood from the systemic circulation

R. atrium

26

expandable extension of the atrium, atrial appendage, flaps

R/L auricle (depending on R/L atrium)

27

muscular ridges on inside of atrium walls that prevent blood coagulation

pectinate muscles

28

pectinate muscles are found here in the R atrium

anterior wall

29

permits blood flow directly from the right atrium to left atrium fetally while lungs are developing

fossa ovalis

30

closes 48 hours after birth

fossa ovalis

31

fossa ovalis name fetally

foramen ovale

32

opens into posterior superior right atrium

superior vena cava

33

blood comes to the superior vena cava from here

head
neck
upper limbs
chest

34

opens into the posterior inferior right atrium

inferior vena cava

35

blood comes into the inferior vena cava from here

abdominal and pelvic cavity
lower limbs

36

drains veins of heart directly into right atrium

coronary sinus

37

location of coronary sinus

posterior portion of coronary sulcus inferior to left atrium

38

coronary sinus is an artery or vein

vein

39

The hole which opens from the R atrium to the R ventricle

R atrioventricular orifice

40

structure that stops the backward flow of blood from the R ventricle to the R atrium

tricuspid valve

41

another name for tricuspid valve

atrioventricular valve

42

smaller than left ventricle

R ventricle

43

irregular muscular folds in the ventricles

trabeculae carneae (found in both ventricles)

44

cone shaped muscular projections of the inner ventricular surface

papillary muscles (found in both ventricles)

45

connects the papillary muscles to the tricuspid or bicuspid valve depending on R/L ventricle

chordae tendineae

46

These three structures work together to keep blood from flowing back from the ventricle to the atrium (R/L)

Tricuspid/bicuspid valve
chordae tendineae
papillary muscles

47

valve that passes through from R ventricle to the pulmonary trunk

pulmonary semilunar valve

48

receives blood from the R ventricle

pulmonary trunk

49

2 branches of the pulmonary trunk

R/L pulmonary arteries

50

R/L pulmonary arteries carry this type of blood to this structure

deoxygenated blood
lungs

51

Receives blood from the lungs

L atrium

52

Pectinate muscles of the L atrium are only found here

L auricle

53

This type of blood enters the L atrium through these

oxygenated blood
R/L pulmonary veins

54

How many pulmonary veins, and how do they get their name (sidedness)

4
which side of the heart they enter on

55

hole/opening between L atrium and L ventricle

L atrioventricular orifice

56

Valve that seperates the L atrium and L ventricle

bicuspid valve

57

2 other names for bicuspid valve

mitral valve
atrioventricular valve

58

recieves blood from the L atrium and pumps it to the rest of the body

L ventricle

59

which ventricle is larger, why

L
more force is needed to pump blood through the body than just the lungs

60

blood passes through from left ventricle to aorta

aortic semilunar valve

61

main artery leaving the heart

aorta

62

Largest blood vessel in the body

aorta

63

Supplies blood to most of the left ventricle, narrow slip of the right ventricle, most of the left atrium, and anterior 2/3 of the interventricular septum

left coronary artery

64

Branches of the L coronary artery

anterior interventricular artery
circumflex artery/branch

65

another name for anterior interventricular artery

Left anterior decending artery

66

L/R coronary arteries originate here

base of the ascending aorta

67

Where is blood pressure the highest in systemic circulation

aortic sinus (associated with L/R coronary arteries)

68

Location of the L coronary artery

runs between the pulmonary trunk and left atrium where it promptly splits

69

Location of the anterior interventricular artery of the LCA

runs inferiorly from the LCA down the anterior interventricular sulcus

70

location of the circumflex artery of the LCA

runs laterally to the left within the coronary sulcus where it turns inferiorly near the left pulmonary veins of the left atrium

71

Location of the right coronary artery

runs inferiorly within the coronary sulcus along the margin of the right atrium until it reaches the inferior vena cava

72

arteries associated with the R coronary artery

R marginal artery(branch)
posterior interventricular artery (branch)

73

location of the posterior interventricular artery

Branch of the RCA that turns near the inferior vena cava and runs inferiorly down the posterior interventricular sulcus

74

location of the right marginal artery

Near the right boarder of the heart the RCA gives rise to a branch that extends towards the apex of the heart along the anterior surface of the right ventricle

75

cardiac veins 3

great cardiac vein
middle cardiac vein
coronary sinus

76

Location of the great cardiac vein

Starts near the apex of the heart within the anterior interventricular sulcus, turns right along the coronary sulcus at the base of the heart. follows the coronary suclcus around the left atrium where it joins the coronary sinus

77

Location of the middle cardiac vein

Starts near the apex of the heart within the posterior interventricular sulcus and moves towards the base of the heart where it joins the coronary sinus

78

receives blood from the great and middle cardiac veins

coronary sinus

79

location of the coronary sinus

Starts at approximately directly inferior to the left atrium on the posterior side of the heart. Sits within the coronary sulcus and runs until it empties directly into the right atrium

80

Vessel that directly recieves blood from the left ventricle

aorta

81

Sections of the aorta

ascending aorta
aortic arch
descending aorta
thoracic aorta

82

coronary arteries originate here

ascending aorta

83

these three arteries arise from the aortic arch in order of flow of blood

brachiocephalic artery
L common carotid artery
L subclavian artery

84

branches of the brachiocephalic artery in order of flow of blood

R common carotid artery
R subclavian artery

85

connects aortic arch and pulmonary trunk

ligamentum arteriosum

86

name of fetal ligamentum arteriosum

ductus arteriosus

87

function of ductus arteriosus

allows blood to pass from pulmonary trunk to aorta
after birth it closes and forms a ligament

88

supplies blood to the viscera of the thorax, muslces of the chest, diaphragm, and thoracic portion of spinal cord

thoracic aorta

89

supplies blood to chest muscles and vertebral column

posterior intercostal arteries

90

fetal pulmonary shunts

foramen ovale
ductus arteriosus