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Anatomy > Lec1ThoracicWallandLungs > Flashcards

Lec1ThoracicWallandLungs Flashcards

1
Q

What is the bony support for the thoracic wall and lungs?

A

thorax=sternum+ribs+thoracic vertebrae

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2
Q

What are the 4 muscles attached to the ribs?

A

External intercostals, internal intercostals, transverse thoracis, subcostalis

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3
Q

What is the arterial supply for the thoracic wall and lungs?

A

subclavian art—interntal thoracic art
axillary art-lateral thoracic art

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4
Q

The breast is located in the thoracic wall and consists of what?

A

glandular tissue, ducts, adipose tissue (fat)

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5
Q

What is the arterial supply for the breast?

A

subclavian art—interntal thoracic art-medial mammary
axillary art-lateral thoracic art-lateral mammary

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6
Q

What is the lymphatic drainage of the breast (generally)?

A

sentinel lymph node

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7
Q

What is the MAJOR lymph node of the breast?

A

Axillary lymph node

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8
Q

The thoracic wall is formed by what bones?

A

clavicle, scapula, sternum, thoracic vertebrae, ribs

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9
Q

What makes up the thoracic cavity (rib cage)?

A

sternum, thoracic vertebrae, ribs

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10
Q

What is the location of the thoracic wall?

A

superior thoracic aperture to inferior thoracic aperture

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11
Q

What is the sternum structure?

A

jugular notch, manubrium sternal angle(angle of louis), body, xiphoid process

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12
Q

The manubrium is attached to which rib?

A

rib 1

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13
Q

The angle of louis is attached to which rib?

A

rib 2

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14
Q

Ribs (1-7) are what type of ribs?

A

True ribs

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15
Q

Ribs 8-10 are what type of ribs?

A

false ribs

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16
Q

Ribs 11,12 are what type of ribs?

A

Free (floating) ribs

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17
Q

Where does ribs 1-7 attach to?

A

Directly to body of sternum

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18
Q

Where does ribs 8-10 attach to?

A

Indirectly to body of sternum

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19
Q

Where does ribs 11,12 attach to?

A

does not attach to sternum at all

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20
Q

The costal groove of the rib is located where?

A

Between internal intercostals muscle and innermost intercostal muscle

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21
Q

What does the costal groove contain/ what runs in it?

A

Intercostal vein, artery, nerve

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22
Q

What does rib 1 look like?

A

Flattened superior to inferior (like a pancake)

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23
Q

The groove for the subclavian vein on rib 1 is anterior or posterior?

A

anterior

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24
Q

The groove for the subclavian artery on rib 1 is anterior or posterior?

A

posterior

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25
Q

Which muscle is attached to rib 1 between the subclavian vein and artery

A

anterior scalene muscle

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26
Q

Are the pectoralis major/minor, serratus anteriorior involved in respiration?

A

NO

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27
Q

Where does the pectoralis major attach to?

A

clavicle, sternum, costal cartilage of ribs 2-6

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28
Q

Where does the pectoralis minor attach to?

A

anterior surface of ribs 3-5

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29
Q

Where does the serratus anterior attach to?

A

lateral surface of ribs 1-8

30
Q

Which muscles are involved in inspiration?

A

internal intercostals
external intercostals
diaphragm

31
Q

75% of breathing is from what muscle?

A

diaphragm

32
Q

Which muscles are involved in expiration?

A

Internal intercostals
Transverse thoracis
subcostalis

33
Q

How do the fibers of the EXTERNAL intercostals run?

A

lateral to medial and becomes membranous anteriorly

34
Q

How do the fibers of the INTERNAL intercostals run?

A

medial to lateral and becomes membranous posteriorly

35
Q

Does the internal intercostals covers the inside or outside of the costal groove?

A

Outside

36
Q

Where are the innermost intercostals mostly located?

A

Laterally

37
Q

Does the innermost intercostals covers the inside or outside of the costal groove?

A

inside

38
Q

How does the transversus thoracis and subcostalis run?

A

incomplete layers deep to everything

39
Q

The structure of the lungs include what 4 things?

A

lobes, impressions, hilum, bronchi

40
Q

What is the innervation for the lungs?

A

phrenic nerve (C3,4,5)

41
Q

Where does the phrenic nerve run?

A

Between pleura (lungs) and pericardium (heart)

42
Q

What is the pleura?

A

Parietal pleura and visceral pleura

43
Q

What happens to the diaphragm during inspiration and expiration?

A

inspiration-expands
expiration-contracts

44
Q

What are the structures passing THROUGH the diaphragm?

A

“I Ate Ten Eggs At 12”
IVC- 8th vertebrae
Esophagus-10th Vertebrae
Aorta-12th vertebrae

45
Q

What is the parietal pleura?

A

Lines thoracic cavity and is superficial to visceral pleura

46
Q

What is the visceral pleura?

A

Covers lungs and is deep to parietal pleura

47
Q

What is the Pulmonary ligament

A

folding of the pleura

48
Q

The pleura extends below the lungs, what is this called and what can occur here?

A

recesses and you can drain excess fluid here

49
Q

The right lung has how many lobes and what are they?

A

3, superior, middle , inferior

50
Q

The hilum of the right and left lung connects what and contains what?

A

connect lung to bronchi
contains pulmonary arteries and veins

51
Q

What impressions does the right lung have (ant to post) ?

A

brachiocephalic vein, trachea, esophagus, arch of zygos

52
Q

The left lung has how many lobes and what are they?

A

2, superior , inferior

53
Q

What is on the superior lobe of the left lung and what is it considered to be?

A

Lingula, and its considered to be a remnant of the missing 3rd lobe

54
Q

What impressions does the left lung have (ant to post) ?

A

cardiac notch, subclavian artery, aorta

55
Q

What is the arterial supply of the lungs?

A

RALS
Right pulmonary—anterior to bronchi
Left pulmonary—-superior to bronchi

56
Q

How many pulmonary arteries do we have?

A

2 (right +left)

57
Q

How many pulmonary veins do we have?

A

4 ( right+ left, superior +inferior)

58
Q

Pulmonary vessels enter lungs via what?

A

Hilum

59
Q

What are branchopulmonary segments?

A

this is where bronchi split with their own arterial branch to supply a specific lung area

60
Q

What is the pathway for bronchi?

A

Trachea, primary bronchi, secondary bronchi, tertiary bronchi

61
Q

The superior articular facet on the ribs connects to what?

A

The inferior costal facet of the vertebrae above

62
Q

The inferior articular facet on the ribs connects to what?

A

The superior costal facet of the same number vertebrae

63
Q

The tubercle on the rib connects to what?

A

The transverse process on the same number vertebrae

64
Q

Exam question: What two structures are going to border the costal grove and intercostal band?

A

Internal intercostal muscle and innermost intercostal muscle

65
Q

Which of the following is NOT an impression on the right lung?
A. Esophagus
B. Arch of azygos
C.Subclavian artery
D. Trachea

A

C

66
Q

What vertebral level does the inferior vena cava travel past the diaphragm?
A. T6
B. T8
C. T10
D. T12

A

b

67
Q

Which of the following statements correctly identifies
the indicated structure?
a. Inferior lobe on right lung
b. Superior lobe on left lung
c. Middle lobe on right lung
d. Inferior lobe on left lung

A

a

68
Q

What two structures enclose the intercostal arteries?
A. External intercostal muscle and external intercostal membrane
B. Endothoracic fascia and innermost intercostal muscle
C. Internal intercostal muscle and innermost intercostal muscle
D. External intercostal muscle and internal intercostal membrane

A

C

69
Q

After a night out drinking, a 21 year old girl passes out in bed and aspirates (breathes in) some vomit into their lungs resulting in damage to one the bronchopulmonary segments. Would this have an effect on the remaining healthy lung tissue?
A. No because each segment has its own bronchus and tertiary branch off the pulmonary artery
B. Yes because the primary bronchus would become compromised through damage to the secondary bronchi
C. No because the regenerative properties of the lung will induce hypertrophy
D. Yes because the lung is supplied by a network of collateral vessels.

A

A

70
Q

Which lymph nodes are lateral?

A

axillary

71
Q

Which lymph nodes are medial?

A

parasternal

Anatomy (13 decks)

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