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Flashcards in Thorax Deck (101):
1

How many pairs of ribs are there?

12

2

What is the most superior bone of the sternum?

Manubrium

3

the joint between the manubrium and body

Manubriosternal Joint/ Angle of Louis

4

Largest bone in the sternum

Body

5

Smallest (most inferior) bone in the sternum

Xiphisternum

6

Between Ribs and sternum

Costal cartilages

7

How many vertebral nerves?

7

8

How many cervical nerves?

8

9

How many thoracic nerves?

12

10

How many lumbar nerves?

5

11

How many sacral nerves?

5

12

name for an area of skin that is supplied by a spinal nerve

dermatome

13

the tail from the upper outer quadrant of the breast

axillary tail

14

feed into the lactiferous ducts

lobes

15

above the deep fascia

superficial fascia

16

divide the breast into segments

fibrous septa

17

where is breast cancer most commonly found

axillary tail

18

attachments of the pectoralis major

clavicle, manubrium, body, humerus

19

action of pectoralis major

adduction and secondary respiration

20

nerve supply of pectoralis major

2 pectoral nerves (come from brachial plexus)

21

attachments of pectoralis minor

coracoid process and ribs 2, 3, and 4 OR 3, 4, and 5

22

is the pec minor above or underneath the pec major?

underneath

23

nerve supply of pectoralis minor

pectoral nerves

24

direction of external intercostal

hands going into pockets

25

action of external intercostal

inspiration

26

action of internal intercostal

expiration

27

action of innermost intercostal

expiration

28

where are the internal thoracic vessels found

between internal and innermost intercostal muscles

29

attachments of serratus anterior

scapula and ribs 1-8

30

action of serratus anterior

protraction (moves shoulder forward)

31

nerve supply of serratus anterior

long thoracic nerve

32

what surrounds the lungs

pleura

33

which layer of pleura has a better nerve supply

parietal pleura

34

which layer of pleura sits closest to the lungs

visceral pleura

35

what is between the parietal and visceral pleura

pleural cavity

36

how many lobes does the right lung typically have

3

37

how many lobes does the left lung typically have

2

38

which fissure is usually found on both lungs

oblique fissure

39

name the lobes of the right lung

upper lobe, middle lobe, lower lobe

40

which fissure is typically only found on the right lung

horizontal fissure

41

name the lobes of the left lung

upper lobe, lower lobe

42

where the vessels enter and leave the lung

hilum

43

what is found in the hilum of the lung?

airway (bronchus), pulmonary artery, pulmonary veins

44

in the right lung, the pulmonary artery is _____ to the airway

anterior

45

in the left lung, the pulmonary artery is _____ to the airway

superior

46

the apex of the lungs is which direction from the hilum

superior

47

the posterior border of the anterior mediastinum

fibrous pericardium

48

inside the fibrous pericardium

serous pericardium

49

this layer of the serous pericardium is well innervated

parietal pericardium

50

this layer of the serous pericardium is closest to the heart

visceral pericardium

51

which costal cartilage marks the upper border of the heart

2nd c.c.

52

which costal cartilage marks the lower, right border of the heart

6th c.c.

53

which intercostal space marks the lower, left border of the heart

5th intercostal space

54

how many inches from the body to the left does the heart reach

3.5

55

blood flows through the ____ and _____ into the right atrium

superior and inferior vena cava

56

the ______ connects the right atrium and right ventricle

tricuspid valve

57

blood leaves the right ventricle through the

pulmonary trunk --> pulmonary artery

58

only the _____ of the left atrium can be seen from the front view of the heart

atrial appendage

59

the apex is a part of which chamber

left ventricle

60

oxygenated blood enters the heart through the

pulmonary veins

61

the pulmonary veins feed into which chamber

left atrium

62

this muscle helps to hold the tricuspid valve closed (fact check)

papillary muscle

63

attach the papillary muscle to the valve

chordae tendinae

64

which valve is a bicuspid valve

mitral valve

65

which chamber does the coronary sinus drain into

right atrium

66

the left coronary artery branches into the ____ and ____-

circumflex and left anterior descending (LAD)

67

the LAD runs next to which vein

great cardiac vein

68

the middle cardiac vein runs closest to which artery

posterior inter-ventricular artery

69

which vein joins with the great cardiac vein to form the coronary sinus

posterior vein of the left ventricle

70

this connected the pulmonary artery to the aorta in fetal life

ligamentum arteriosum

71

on which lung will the aorta sometimes make an impression

left

72

the phrenic nerve runs _____ to hilum

anterior

73

the vagus nerve runs ______ to hilum

posterior

74

which nerve commonly runs between the left common carotid and the left subclavian

left vagus nerve

75

which nerve can be seen near the ligamentum arteriosum

left recurrent laryngeal nerve

76

attachments of scalenus anterior

C3-C6 and tubercle of 1st rib

77

____ run above scalenus anterior and ____ run below scalenus anterior

veins, arteries

78

which vertebra are at the angle of louis

C4/T2

79

which vertebra supplies the nipple line

T4

80

which vertebra supplies the belly button

T10

81

which vertebra supply the beginning of the pelvis

T12/L1

82

of the vessels in the hilum, which one usually has the thickest walls

bronchus (airway)

83

the chain of nerves in the posterior mediastinum

sympathetic chain

84

where is the thymus (only in children)

anterior mediastinum

85

what innervates the pericardium?

phrenic nerve

86

what innervates the pleura?

phrenic and intercostal nerves

87

where does the subclavian vein turn into the axillary vein?

1st rib

88

what three arteries branch off of the subclavian?

thyrocervical trunk, vertebral, internal thoracic

89

the thyrocervical trunk gives rise to which artery

inferior thyroid

90

which node is located closest to the SVC

sinu-atrial node

91

which node stimulates the rest of the heart to contract

sinu-atrial node

92

what connects the sinu-atrial node to the autonomic nervous system

top end of christa terminalis

93

where is the atrioventricular node

close to the opening of the coronary sinus

94

what electronically isolates the atria from the ventricles

fibrous collar

95

what transmits signals from the atrioventricular node to the ventricles

atrioventricular bundle (bundle of his)

96

the sound of the pulmonary calve is carried to

the 2nd CC (left)

97

the sound of the aortic valve is carried to

the 2nd CC (right)

98

the sound of the mitral valve is carried to

apex

99

the sound of the tricuspid valve is carried to

the xiphisternum

100

the oesophagus is supplied by which nerve

vagus nerve

101

the azygos vein drains into

the SVC