Thoracic wall

Question 1

What does the thoracic cage consist of?

Answer 1

12 thoracic vertebrae and discs, 12 pairs of ribs and costal cartilage, and the sternum

Question 2

What kind/how many bony vertebra are there?

Answer 2

7 cervical, 12 thoracic, 5 lumbar, 5 sacral (fused) and 4 coccygeal (fused)

Question 3

Two regions of Intervertebral discs?

Answer 3

Annulus fibrosis (outside) nucleus pulposa (inside)

Question 4

what type of joint is betweet he vertebra and intervertebral discs?

Answer 4

symphysis

Question 5

which parts of the spine have a concave curvature (lordosis)

Answer 5

Cervical and lumbar

Question 6

Which parts of the spine have a convex curvature (kyphosis)?

Answer 6

Thoracic and Sacral

Question 7

which curves are primary curves?

Answer 7

thoracic and sacral

Question 8

which curves are secondary curves?

Answer 8

cervical and lumbar

Question 9

what would excessive thoracic kyphosis look like?

Answer 9

hunch back

Question 10

what would excessive lumbar lordosis look like?

Answer 10

gymnast

Question 11

What are articular facets?

Answer 11

synovial joints where vertebra and ribs articulate.

Question 12

What do the facets of the head of the ribs do?

Answer 12

Articulate with the body of the corresponding vertebra and vertebra superior to it

Question 13

What does the articular facet on the Tubercle of the rib do?

Answer 13

articulates with the TRANSVERSE process of the corresponding vertebra

Question 14

What is the angle of the rib?

Answer 14

where the rib turns anterolateral

Question 15

What do you find at the costal groove?

Answer 15

Intercostal nerve, artery and vein

Question 16

What vertebra would the 7th rib articulate with?

Answer 16

With bodies of T6 and T7 and with the Transverse process of T7

Question 17

Which ribs are typical?

Answer 17

3-9

Question 18

Which ribs are atypical?

Answer 18

1st, 2nd, and 10-12

Question 19

Which ribs are true?

Answer 19

1-7

Question 20

which ribs are false?

Answer 20

8-10

Question 21

which ribs are floating?

Answer 21

11-12

Question 22

Costochondral joints (ribs w/costal cartilage) are classified as ?

Answer 22

Synchondrosis

Question 23

The Sternocostal joint of the first rib is classifed as?

Answer 23

synchondrosis

Question 24

the 2nd-7th rib sternocostal joints are classified as?

Answer 24

synovial joints

Question 25

Parts of manubrium?

Answer 25

Jugular nitch and Sternal angle

Question 26

The Xiphisternal joint is a

Answer 26

synchondrosis

Question 27

What innervates pec major?

Answer 27

Medial and lateral pectoral nerves

Question 28

What is the action of pec major/minor and serratus anterior?

Answer 28

accessory muscle of forced inspiration

Question 29

what innervates serratus anterior?

Answer 29

long thoracic nerve

Question 30

Proximal attachment of pec major?

Answer 30

Clavicular head, sternocostal head

Question 31

Clavicular head

Answer 31

medial 1.2 of clavicle

Question 32

sternocostal head

Answer 32

anterior surface of sternum, costal cartilage 1-6

Question 33

Distal attachment of pec major

Answer 33

lateral lip of the intertubercular groove of the humerus

Question 34

Serratus anterior proximal attachment

Answer 34

external surfaces of ribs 1-8

Question 35

Serratus anterior distal attachment

Answer 35

anterior surface of medial border of the scapula

Question 36

Innervation of Subclavius muscle

Answer 36

nerve to subclavius

Question 37

action of subclavius muscle

Answer 37

forces inspiration, elevates FIRST rib

Question 38

Proximal attachment of pec minor

Answer 38

external surfaces of ribs 3-5

Question 39

Distal attachment of pec minor

Answer 39

coracoid process of scapula

Question 40

Proximal attachment of subclavius

Answer 40

1st rib

Question 41

distal attachment of subclavius

Answer 41

clavicle (middle 1/3)

Question 42

Where do external intercostals run?

Answer 42

tubercle of rib to costochondral junction

Question 43

What replaces the external intercostals anteriorly?

Answer 43

external intercostal membrane

Question 44

Where do internal intercostals run?

Answer 44

angle of rib to sternum

Question 45

what replaces internal intercostals posteriorly?

Answer 45

internal intercostal membrane

Question 46

where is innermost intercostal present?

Answer 46

laterally

Question 47

Where is transversalis thoracis?

Answer 47

Attaches from costal cartilage 3-6 and pass inferomedial to the lower body of sternum and xiphoid

Question 48

At what level are intercostal nerves?

Answer 48

t1-T11

Question 49

Where do posterior intercostal arteries come from?

Answer 49

from aorta

Question 50

where to anterior intercostal arteries come from?

Answer 50

from internal thoracic artery, a branch off the subclavian

Question 51

Where do posterior intercostal veins empty to?

Answer 51

to azygous venous system

Question 52

Where do anterior intercostal veins empty into?

Answer 52

internal thoracic veins

Question 53

Where does the phrenic nerve come from?

Answer 53

C3 4, 5 ha ha ha ha stayin alive, stayin alive

Question 54

What is the diaphragm attached to?

Answer 54

xiphoid, lower ribs and costocartilage, lumbar vertebra L1-3

Question 55

What is the "I ate ten eggs at 12" thing?

Answer 55

IVC caval opening is at T8 Esophageal hiatus is at T10 Aortic hiatus is at T12