L23

Question 1

what makes up the superior thoracic aperture? 3

Answer 1

manubrium, first rib, T1

Question 2

what makes up the inferior thoracic aperture? 4

Answer 2

xiphoid process, subcostal arch, ribs 11/12, diaphragm

Question 3

what makes up the lateral walls of the thoracic cavity? 2

Answer 3

ribs, intercostal muscles

Question 4

what makes up the posterior wall of the thoracic cavity? 3

Answer 4

thoracic vertebrae, intercostal muscles, intervertebral discs

Question 5

what makes up the anterior wall of the thoracic cavity? 2

Answer 5

sternum, intercostal muscles

Question 6

what are the three subdivisions of the thoracic region?

Answer 6

mediastinum and 2 pleural cavities

Question 7

what is the pleural fluids function?

Answer 7

to remove friction on the lung

Question 8

what hooks onto the parietal pleura in order to stay attached to the chest wall?

Answer 8

endothoracic fascia

Question 9

where is the visceral pleura?

Answer 9

on the lungs outer surface

Question 10

what are the 6 layers from superficial to deep in the thorax?

Answer 10

thoracic wall, endothoracic fascia, parietal pleura, pleural cavity, visceral pleura, lung tissue

Question 11

at approximately the level of what vertebrae is the the sternal angle?

Answer 11

T4

Question 12

what features of the lymphatic system can be found in the superior mediastinum? 2

Answer 12

thymus and thoracic duct

Question 13

what features of the cardiovascular system can be found in the superior mediastinum? 4

Answer 13

internal thoracic blood vessels, great vessels of the heart, ligamentum arteriosum, azygous vein

Question 14

what features of the nervous system can be found in the superior mediastinum? 4

Answer 14

vagus nerve, phrenic nerve, recurrent laryngeal nerve, sympathetic trunk

Question 15

what features of the respiratory system can be found in the superior mediastinum? 1

Answer 15

trachea

Question 16

what features of the gastrointestinal system can be found in the superior mediastinum? 1

Answer 16

oesophagus

Question 17

what is found in the anterior inferior thorax? 3

Answer 17

lymph nodes, vessels, everything in front of the heart

Question 18

what is found in the middle of the inferior thorax? 2

Answer 18

heart and pericardium

Question 19

what is found in the posterior inferior thorax? 4

Answer 19

oesophagus, vagus nerve, thoracic aorta, everything behind the heart

Question 20

what are the three general functions of the thoracic region?

Answer 20

respiration, protection of vital organs, passage of structures