Module 4: Thoracic Cavity Flashcards
1
Q
how many pairs ribs are there?
A
12
2
Q
name the true ribs
A
vertebrosternal ribs: 1-7
3
Q
name the false ribs
A
vertebrochondral ribs: 8-10
4
Q
name the floating ribs
A
free ribs: 11-12
5
Q
what nerve innervates the external, internal, and innermost intercostal muscles?
A
intercostal nerve
6
Q
name the membranous layers (and associated fluid) of the pericardium and heart from superficial to deep
A
- fibrous pericardium
- parietal layer of serous pericardium
- thin film of fluid in pericardial cavity
- visceral layer of serous pericardium (epicardium)
- myocardium
- endocardium
7
Q
the azygos vein merges with the ________ after running posteriorly along the ________ then passing superior to the __________
A
superior vena cava
esophagus
right main bronchus
8
Q
the thoracic duct lies _________ to the esophagus
A
right posterior
