thorax/lungs

Question 1

True ribs

Answer 1

1-7 connect directly on sternum

Question 2

False ribs

Answer 2

8-12 don’t connect to sternum

Question 3

Floating ribs

Answer 3

11-12

Question 4

Joint of head of rib articulates betw

Answer 4

Head of ribs, costal facet/demifacet and intervertebral discs

Question 5

Intraarticular lig attaches

Answer 5

Rib crest to intervertebral disc

(R1,10,11,12 don’t have)

Question 6

Radiate lig

Answer 6

Ant portion of joint capsule that attaches to 1 and or 2 vertebrae and intervertebral disc

Question 7

Costotransverse joints articulate betw

Answer 7

Rib tubercle and transverse costal facets

Question 8

Costotransverse lig runs from

Answer 8

Neck of rib to TP medially

Question 9

Lat costotransverse lig runs from

Answer 9

Rib tubercle to TP lat

Question 10

Sup costotransverse lig runs from

Answer 10

Neck of rib to TP above

Question 11

Costochondral joints articulate betw

Answer 11

Ant ribs and costal cartilages

Question 12

Sternocostal joints articulate betw

Answer 12

Costal cartilages and costal notches of sternum

Question 13

Intercostal musc

Answer 13

External, internal, innermost intercostals

Question 14

Subcostal musc run in direction

Answer 14

Same as internal/innermost intercostals (perpendicular to external)

Question 15

During inspiration, diaphragm

Answer 15

Drops/flattens (inc vertical diameter of thoracic cavity)

Question 16

As diaphragm flattens, intra-thoracic pressure ___ while intra-abdominal pressure ___

Answer 16

Dec

Inc

Question 17

What resists downward mvt of diaphragm?

Answer 17

Central tendon (causes diaphragm to pull up on costal attachments raising ribcage and fell inc AP and transverse diameter of rib cage)

Question 18

Thoracic cavity boundaries

Answer 18

Thoracic vertebrae, ribs, costal cartilages, sternum, diaphragmm, manubrium & T1

Question 19

Thoracic outlet vs inlet

Answer 19

Out: diaphragm
In: manubrium, T1

Question 20

Ant wall thoracic

Answer 20

Breast plate

Question 21

Structures back of breast plate

Answer 21

R&L internal thoracic a and v (from subclavian and brachii Cephalic respec)

Ant intercostal a and v (fr internal thoracic a and v)
Post intercostal off thoracic aorta

Intercostal n (ventral rami)

Question 22

What vein connects inf and sup vena cava?

Answer 22

Azygos vein

Question 23

What vein connects L renal vein w azygos

Answer 23

Hemiazygos

Question 24

What vein connects L brachiocephalic vein with azygos?

Answer 24

Accessory hemiazygos vein

Question 25

Parietal pleura

Answer 25

Lines all of thoracic cavity, under breast plate

Question 26

Visceral pleura

Answer 26

Surface of ling

Question 27

Potential space betw parietal and visceral pleura

Answer 27

Pleural cavity/space

Question 28

Trachea= start of what tract

Answer 28

Lower respiratory

Question 29

Carina

Answer 29

Bifurcation trachea into mainstem bronchi

Found at lvl of sternal angle

Question 30

Parenchyma

Answer 30

Gas exchange are of lungs (alveoli)

Question 31

R lung ____ lobe

Answer 31

3: sup, middle, inf

Question 32

L lung ____ lobe

Answer 32

2: sup, inf

Question 33

Each lung = ___ bronchopulmonary segments

Answer 33

10

Question 34

Root of lung

Answer 34

Hilum (vessels enter and exit lung)

Question 35

Pulmonary vein carry___, arteries carry ___

Answer 35

O2 blood

De-O2 (mixed venous blood)

Question 36

R lung primary bronchus is ______ than L

Answer 36

Wider, shorter and more vertical

Question 37

L lung primary bronchus is ______ than R

Answer 37

Narrower, longer and less vertical

Question 38

Cardiac notch

Answer 38

On L lung