Anatomy

Question 1

Thoracic Wall Components (6)

Answer 1

Ribs 
Vertebrae 
Sternum 
Intercostal Muscles 
VANL 
Parietal Pleura

Question 2

VANL run at

Answer 2

inferior border of each rib

Question 3

Thoracic Cavity Components

Answer 3

Mediastinum 
Pleural Cavities (2)

Question 4

Joints of the Thoracic Wall:

Answer 4

Costovertebral
Costotransverse
Sternocostal

Question 5

Costovertebral

Answer 5

ribs to vertebrae

Question 6

Costotransverse

Answer 6

ribs to TRANSVERSE processes of vertebrae

Question 7

Sternocostal

Answer 7

ribs to sternum via costal cartilage

Question 8

Pleural cavity component

Answer 8

Lungs
Bronchi
Pulmonary vasculature
Bronchial vasculature

** lungs have 2 blood supplies

Question 9

Inspiration= _____ volume

Answer 9

increased volume in all directions

Vertical: via diaphragm
AP/Transverse: intercostal

Question 10

Accessory muslces of Respiration

Answer 10

function when needed (forced inspiration)

Pectoralis Major/Minor, Scalenes, Sternocleidomastoid

Question 11

fascia of thorax (3)

Answer 11

Pectoral
Clavipectoral
Endothoracic

Question 12

Nerves of Thorax

Answer 12

Intercostal

Subcostal

Question 13

Vasculature of Thoracic Wall

Answer 13

located in costal groove

anteriorly: drains Internal thoracic veins
Posteriorly: drains azygos system

Question 14

pleural fluid

Answer 14

produced and reabsorbed by the 2 layers of pleural cavity

creates negative pressure

Question 15

function of negative pressure

Answer 15

helps lung tissue adhere to thoracic cage

allows them to expand together

Question 16

lungs lobes

Answer 16

L: has 2 (bc heart)
R: 3

Question 17

hilum of lungs

Answer 17

site of entrance/exit for mainstem bronchus and pulmonary vasculature, nerves, lymphatics