THORACIC WALL

Question 1

Superior part of the trunk between the neck and the abdomen

Answer 1

Thoracic cavity

Question 2

What is the thoracic cavity formed by?

Answer 2

12 ribs, 12 vertebrae, sternum, costal cartilage

Question 3

muscle attachments in thoracic cavity

Answer 3

Support the shoulder girdle

Question 4

Manubrium facets

Answer 4

Clavicular and costal

Question 5

Stefan jugular notch

Answer 5

T3-t4

Question 6

Junction for the manubrium and body

Answer 6

Sternal angle

Question 7

2nd rib attachment site

Answer 7

Sternal angle

Question 8

Location of aortic arch (left recurrent laryngeal nerve wraps around aorta )

Answer 8

Sternal angle

Question 9

Rib attachments

Answer 9

Posteriorly to vertebrae

Question 10

Costotransverse ligament

Answer 10

Transverse process

Question 11

Costovertebral ligament

Answer 11

Vertebral body

Question 12

Ribs are __________ to the sternum via costal cartilage

Answer 12

Anteriorly

Question 13

Right lung lobes

Answer 13

Superior, middle, inferior

Question 14

Separate upper and middle lobe

Answer 14

Horizontal fissure

Question 15

Separates lower and other lobes

Answer 15

Oblique fissure

Question 16

Left lobe, oblique fissure separates

Answer 16

Superior and inferior

Question 17

Lingula equivalent

Answer 17

Right

Question 18

Lungs two membranes

Answer 18

Viscera and parietal pleura

Question 19

Lines the lungs

Answer 19

Viscera

Question 20

Lines the thoracic wall

Answer 20

Parietal

Question 21

Space between pleura filled with serous fluid
to lubricate and reduce friction

Answer 21

Pleural cavity

Question 22

Pneumothorax

Answer 22

Air

Question 23

Hemothorax

Answer 23

Blood

Question 24

Chylothorax

Answer 24

Lymph fluids

Question 25

Primarily ribs 2-6 • Increase the anterior-posterior diameter of the thoracic cavity

Answer 25

Pump handle

Question 26

Lower 6 ribs • Focuses on the middle (lateral) portion of the ribs to increase the lateral diameter of the ribs

Answer 26

Bucket handle

Question 27

Muscles of respiration - rib to rib

Answer 27

Intercostals

Question 28

Primary muscle of inspiration

Answer 28

Diaphragm

Question 29

Pectoralis major origin and insertion

Answer 29

O: clavicular head (medial half of clavicle) Sternal head (superior 6 costal cartilages) I: lateral lip of intertubercular sulcus of humerus

Question 30

Pectoralis major innervation

Answer 30

Lateral and medial pectoral nerves

Question 31

Action of Pectoralis major

Answer 31

Adduct and medially rotate Aid in inspiration

Question 32

Pectoralis minor o and I

Answer 32

3-5 ribs near costal cartilages I: medial border and superior surface of Coracoid proce

Question 33

Pectoralis minor nerve

Answer 33

Medial pectoral nerves (c8, t1)

Question 34

Action of Pectoralis minor

Answer 34

Stabilizes scapula and draws anteriorly and inferiorly

Question 35

Sternocleidomastoid origin and insertion

Answer 35

O- Sternal head: manubrium Clavicular head:medial 1/4 of clavicle I: mastoid process cranium

Question 36

Nerve sternocleidomastoid

Answer 36

Spinal accessory nerve (c11)

Question 37

Action of sternocleidomastoid

Answer 37

Cervical flex ion and contralaterL rotation

Question 38

Scalenes origin and insertion

Answer 38

O: transverse process Insertion: 1st and 3nd ribs

Question 39

Scalenes action

Answer 39

Elevate ribs and aid in inspiration

Question 40

Scalene innervation

Answer 40

Ventral rami c3-c8

Question 41

Intercostal orientation • Anterior to posterior

Answer 41

External intercostal Internal intercostal Intercostal vein, artery, and nerve Innermost intercostal Transversus thoracis or subcostal (depending on location in thoracic cavity)

Question 42

Superior to Inferior (VAN)

Answer 42

• Intercostal Vein • Intercostal Artery • Intercostal Nerve

Question 43

Intercostal arteries come from

Answer 43

Aorta

Question 44

From Descending Aorta:

Answer 44

Pass anteriorly and anastomoses with the internal thoracic Thoracic artery

Question 45

The Subclavian artery comes off the aortic arch and

Answer 45

supplies the internal thoracic artery.