Thoracic Cavity

Question 1

Parietal Pleura

Answer 1

The layer of the pleural cavity that is directly in contact with the rib cage

Question 2

Visceral Pleura

Answer 2

Layer of the pleural cavity that is directly in contact with the surface of the lungs

Question 3

R. and L. Lungs

Answer 3

The large organs associated with gas exchange in the thoracic cavity. Right lung has 3 lobes, left lung has 2 lobes. RALS

Question 4

Superior lobe

Answer 4

Lobe located in most superior portion of the lung

Question 5

middle lobe

Answer 5

Lobe located between the superior and inferior lungs. Only found in the right lung

Question 6

Inferior lobe

Answer 6

Lobe located in most inferior portion of the lung

Question 7

R. Pulmonary Arteries

Answer 7

Located anteriorly to the bronchus of the right lung (RALS).

Question 8

L. Pulmonary Arteries

Answer 8

Located superiorly to the bronchus of the left lung (RALS).

Question 9

R. Pulmonary Veins

Answer 9

Located both anteriorly and inferiorly to the bronchi

Question 10

L. Pulmonary Veins

Answer 10

Located anteriorly and inferiorly to the bronchi

Question 11

R. and L. Bronchi

Answer 11

Thickest opening on the lung. Immediately branches into two other secondary bronchi upon entrance to the lung.

Question 12

R. and L. Phrenic Nerve

Answer 12

Superficial to the vagus nerve. Located lateral to the vagus nerve. Innervate through the diaphragm itself.

Question 13

R. and L. Vagus Nerve

Answer 13

Located medially to the phrenic nerves. Innervates through the esophageal hiatus.

Question 14

Apex of Lungs

Answer 14

Most superior point on the lungs

Question 15

Base of Lungs

Answer 15

The most inferior points on the lungs

Question 16

Anterior Border of Lungs

Answer 16

Most anterior portion of the lung.

Question 17

Posterior Border of Lungs

Answer 17

Most posterior portion of the lung

Question 18

Root of lung

Answer 18

Part of the lung that attaches the vessels, arteries, and bronchi.

Question 19

Hilum of lung

Answer 19

Broader portion of the lung that encases the root as well as the other depression around the root.

Question 20

R. and L. Costodiaphragmatic Recess

Answer 20

Space between the costal pleura and the diaphragmatic pleura

Question 21

diaphragm

Answer 21

Muscle in charge of majority of respiration force. Located inferior to the lungs and superior to the abdominal viscera

Question 22

Carina

Answer 22

Cartilage located where the trachea branches into right and left bronchi

Question 23

Fibrous pericardium

Answer 23

Most superficial layer of the pericardium surrounding the heart

Question 24

Esophagus

Answer 24

Tube running through the mediastinum posterior to the trachea

Question 25

Sup. and Inf. Vena Cava

Answer 25

Largest arteries that pool blood before entering the right atrium

Question 26

Azygous Vein

Answer 26

Vein running along the right anterior side of the vertebral column. Vascularizes approximately T-(4-12). Dumps blood into the superior vena cava.

Question 27

Hemiazygous Vein

Answer 27

Vein running along the left anterior side of the vertebral column. Vascularizes approximately T-(8-12). Dumps blood into the azygous vein.

Question 28

Accessory Hemiazygous Vein

Answer 28

Vein running along the left anterior side of the vertebral column. Vascularizes approximately T(1-8). Dumps blood into the azygous vein.

Question 29

Esophageal Plexus

Answer 29

Formed by nerve fibers from the vagus nerve and from the visceral branches of the sympathetic trunk.

Question 30

Intercostal Nerves

Answer 30

Nerves running in between the ribs

Question 31

R. and L. Sympathetic Chain Ganglia

Answer 31

Located just laterally to the spinal cord. These are small bumps on the spinal nerves jutting out from the spinal cord

Question 32

Sympathetic Ganglia

Answer 32

Located just laterally to the spinal cord. These are small bumps on the spinal nerves jutting out from the spinal cord

Question 33

Thoracic Duct

Answer 33

Lymphatic duct that runs medially on the anterior side of the spinal cord.

Question 34

Esophageal Lymph Nodes

Answer 34

Lymph nodes that sit on the exterior of the esophagus

Question 35

External Intercostal Muscles

Answer 35

Muscles running between the ribs that flex to aid breathing. Fibers run from lateral to medial, superior to inferior.

Question 36

Internal Intercostal Muscles

Answer 36

Muscles running between the ribs that flex to aid breathing. Fibers run from lateral to medial, inferior to superior.

Question 37

Anterior and Middle Scalenes

Answer 37

Muscles that originate on C-(2-5) and insert on the first rib. These assist in lateral flexion of the neck and elevation of the ribs during forced inhalation.

Question 38

Pectoralis Major and Minor

Answer 38

Muscles that originate on the sternum and insert on the humerus

Question 39

Serratus Anterior

Answer 39

Originates on the ribs and inserts on the inferior medial border of the scapula. Protracts the scapula(by pulling on the inferior edge).

Question 40

Ascending Aorta

Answer 40

Part of the aorta going from the left ventricle to the arch

Question 41

Aortic Arch

Answer 41

Loop on top of the aorta

Question 42

Descending Aorta

Answer 42

Part of the aorta running down the center of the thoracic cavity toward the abdomen.

Question 43

Thoracic Aorta

Answer 43

Aspect of the atora located in the thoracic cavity

Question 44

Anterior Intercostal Arteries

Answer 44

Arteries located between the ribs. Located on the anterior side of the ribs

Question 45

Posterior Intercostal Arteries

Answer 45

Arteries located on the posterior side of the ribs and running between them.

Question 46

Superior Epigastric Artery

Answer 46

Terminal Branch of the internal thoracic artery that sits deep to rectus abdominus and runs superior to inferior

Question 47

Internal Thoracic Artery

Answer 47

Supplies blood to the anterior chest wall and to the breasts. Runs bilaterally on each side of the xiphiod process before branching into the superior epigastric artery and the musclophrenic artery