Lec1ThoracicWallandLungs

Question 1

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

Answer 1

thorax=sternum+ribs+thoracic vertebrae

Question 2

What are the 4 muscles attached to the ribs?

Answer 2

External intercostals, internal intercostals, transverse thoracis, subcostalis

Question 3

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

Answer 3

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

Question 4

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

Answer 4

glandular tissue, ducts, adipose tissue (fat)

Question 5

What is the arterial supply for the breast?

Answer 5

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

Question 6

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

Answer 6

sentinel lymph node

Question 7

What is the MAJOR lymph node of the breast?

Answer 7

Axillary lymph node

Question 8

The thoracic wall is formed by what bones?

Answer 8

clavicle, scapula, sternum, thoracic vertebrae, ribs

Question 9

What makes up the thoracic cavity (rib cage)?

Answer 9

sternum, thoracic vertebrae, ribs

Question 10

What is the location of the thoracic wall?

Answer 10

superior thoracic aperture to inferior thoracic aperture

Question 11

What is the sternum structure?

Answer 11

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

Question 12

The manubrium is attached to which rib?

Answer 12

rib 1

Question 13

The angle of louis is attached to which rib?

Answer 13

rib 2

Question 14

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

Answer 14

True ribs

Question 15

Ribs 8-10 are what type of ribs?

Answer 15

false ribs

Question 16

Ribs 11,12 are what type of ribs?

Answer 16

Free (floating) ribs

Question 17

Where does ribs 1-7 attach to?

Answer 17

Directly to body of sternum

Question 18

Where does ribs 8-10 attach to?

Answer 18

Indirectly to body of sternum

Question 19

Where does ribs 11,12 attach to?

Answer 19

does not attach to sternum at all

Question 20

The costal groove of the rib is located where?

Answer 20

Between internal intercostals muscle and innermost intercostal muscle

Question 21

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

Answer 21

Intercostal vein, artery, nerve

Question 22

What does rib 1 look like?

Answer 22

Flattened superior to inferior (like a pancake)

Question 23

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

Answer 23

anterior

Question 24

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

Answer 24

posterior

Question 25

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

Answer 25

anterior scalene muscle

Question 26

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

Answer 26

NO

Question 27

Where does the pectoralis major attach to?

Answer 27

clavicle, sternum, costal cartilage of ribs 2-6

Question 28

Where does the pectoralis minor attach to?

Answer 28

anterior surface of ribs 3-5

Question 29

Where does the serratus anterior attach to?

Answer 29

lateral surface of ribs 1-8

Question 30

Which muscles are involved in inspiration?

Answer 30

internal intercostals external intercostals diaphragm

Question 31

75% of breathing is from what muscle?

Answer 31

diaphragm

Question 32

Which muscles are involved in expiration?

Answer 32

Internal intercostals Transverse thoracis subcostalis

Question 33

How do the fibers of the EXTERNAL intercostals run?

Answer 33

lateral to medial and becomes membranous anteriorly

Question 34

How do the fibers of the INTERNAL intercostals run?

Answer 34

medial to lateral and becomes membranous posteriorly

Question 35

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

Answer 35

Outside

Question 36

Where are the innermost intercostals mostly located?

Answer 36

Laterally

Question 37

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

Answer 37

inside

Question 38

How does the transversus thoracis and subcostalis run?

Answer 38

incomplete layers deep to everything

Question 39

The structure of the lungs include what 4 things?

Answer 39

lobes, impressions, hilum, bronchi

Question 40

What is the innervation for the lungs?

Answer 40

phrenic nerve (C3,4,5)

Question 41

Where does the phrenic nerve run?

Answer 41

Between pleura (lungs) and pericardium (heart)

Question 42

What is the pleura?

Answer 42

Parietal pleura and visceral pleura

Question 43

What happens to the diaphragm during inspiration and expiration?

Answer 43

inspiration-expands expiration-contracts

Question 44

What are the structures passing THROUGH the diaphragm?

Answer 44

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

Question 45

What is the parietal pleura?

Answer 45

Lines thoracic cavity and is superficial to visceral pleura

Question 46

What is the visceral pleura?

Answer 46

Covers lungs and is deep to parietal pleura

Question 47

What is the Pulmonary ligament

Answer 47

folding of the pleura

Question 48

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

Answer 48

recesses and you can drain excess fluid here

Question 49

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

Answer 49

3, superior, middle , inferior

Question 50

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

Answer 50

connect lung to bronchi contains pulmonary arteries and veins

Question 51

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

Answer 51

brachiocephalic vein, trachea, esophagus, arch of zygos

Question 52

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

Answer 52

2, superior , inferior

Question 53

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

Answer 53

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

Question 54

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

Answer 54

cardiac notch, subclavian artery, aorta

Question 55

What is the arterial supply of the lungs?

Answer 55

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

Question 56

How many pulmonary arteries do we have?

Answer 56

2 (right +left)

Question 57

How many pulmonary veins do we have?

Answer 57

4 ( right+ left, superior +inferior)

Question 58

Pulmonary vessels enter lungs via what?

Answer 58

Hilum

Question 59

What are branchopulmonary segments?

Answer 59

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

Question 60

What is the pathway for bronchi?

Answer 60

Trachea, primary bronchi, secondary bronchi, tertiary bronchi

Question 61

The superior articular facet on the ribs connects to what?

Answer 61

The inferior costal facet of the vertebrae above

Question 62

The inferior articular facet on the ribs connects to what?

Answer 62

The superior costal facet of the same number vertebrae

Question 63

The tubercle on the rib connects to what?

Answer 63

The transverse process on the same number vertebrae

Question 64

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

Answer 64

Internal intercostal muscle and innermost intercostal muscle

Question 65

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

Answer 65

C

Question 66

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

Answer 66

b

Question 67

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

Answer 67

a

Question 68

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

Answer 68

C

Question 69

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.

Answer 69

A

Question 70

Which lymph nodes are lateral?

Answer 70

axillary

Question 71

Which lymph nodes are medial?

Answer 71

parasternal