thoracic, abdominal walls and pleura/lungs

Question 1

what are the three branches off the aortic arch

Answer 1

left subclavian
left common carotid
brachiocephalic trunk

Question 2

what does the posterior intercostals (3-11) branch off of?

Answer 2

the internal thoracic artery

Question 3

what are the 3 divisions of the internal thoracic?

Answer 3

anterior intercostals
musculophrenic
superior epigastric

Question 4

intervertebral joint

Answer 4

between bodies- symphysis

between articular processes- synovial plane

Question 5

costovertebral joint

Answer 5

synovial plane

Question 6

costotransverse joint

Answer 6

synovial plane

Question 7

sternoclavicular joint

Answer 7

saddle joint (acts as ball & socket)

Question 8

sternocostal jointn

Answer 8

rib 1 to sternum - synchondrosis

ribs 2 to 7 - synovial plane

Question 9

costochondral joint

Answer 9

synchondrosis

Question 10

interchondral joint

Answer 10

synovial plane

Question 11

manubriosternal joint (sternal angle)

Answer 11

symphysis

Question 12

xiphisternal joint

Answer 12

synchondrosis

Question 13

what does the internal thoracic artery supply

Answer 13

anterior thoracic wall

breasts

Question 14

what does the musculophrenic supply

Answer 14

mainly diaphragm

Question 15

what do the intercostal nerves innervate?

Answer 15

skin, parietal pleura, intercostal muscles

Question 16

what are the major impressions on the right lung?

Answer 16

1st rib
subclavian, brachiocephalic, superior vena cava
trachea
esophagus

Question 17

what are the major impressions on the left lung

Answer 17

cardiac impression
arch of aorta
brachiocephalic vein
subclavian artery
subclavian vein
1st rib

Question 18

what are the holes in the diaphragm?

Answer 18

aortic hiatus
esophageal opening
caval opening

Question 19

function of pleural fluid

Answer 19

• creates negative pressure between layers of visceral and parietal pleura and helps keep the lungs expanded.
• we want to bring air from outside (HIGH PRESSURE) into our lungs (LOW PRESSURE). This keeps lungs inflated.