Chest Cavity and Lungs

Question 1

the cephalic vein is found in the ___ groove

Answer 1

deltopectoral groove

Question 2

the intercostal neurovascular bundle (nerve, artery, vein) is deep to the superior/inferior aspect of the rib

Answer 2

inferior aspect

this is why chest tubes must be placed along superior aspect of rib

Question 3

how many lobes do right and left lung have

Answer 3

left - 2 (superior, inferior)
right - 3 (superior, middle, inferior)

middle R sound can be heard anteriorly only, inferior R can be heard posteriorly

Question 4

trachea divides at the ___

Answer 4

carina, at sternal angle of louis

Question 5

trachea divides into R/L ____ bronchi, then ___ bronchi, then ___ bronchi

Answer 5

mainstream/primary –> lobar/secondary (3 on R, 2 on L) –> segmental/tertiary

Question 6

which of the following best indicates the lowest level of pleural cavity in the midaxillary line?
6th, 8th, 10th, or 12th intercostal space

Answer 6

10th

Question 7

a bronchopulmonary segment is that region of a lung supplied by…

Answer 7

pulmonary artery and tertiary bronchus

Question 8

the costo-diaphragmatic recess is where…

Answer 8

costal and diaphragmatic pleura meet

Question 9

the ___ muscle forms the anterior axillary fold

the ___ muscle forms the posterior axillary fold

Answer 9

pectoralis major - anterior axillary fold

latissimus dorsi - posterior axillary fold

Question 10

a chest tube should be placed along the superior/inferior aspect of the rib?

Answer 10

superior - the intercostal artery and nerve is inferior (want to avoid damage to these structures)

Question 11

structures enter and leave the lungs via the

Answer 11

hilus

Question 12

the ___ is the location where the parietal pleura is reflected onto the lungs as visceral pleura (this means the pleura provides continuous envelope covering the lungs and lining the chest wall)

Answer 12

hilus