THORAX & RIBS

Question 1

Parts of Sternum

Answer 1

Manubrium (T3/4)
Sternal angle (T4/T5)
Sternal body
Xiphoid process (T10)

Question 2

Sternal Joints

Answer 2

Sternoclavicular joint (saddle)
suprasternal joint
Sternomanubrial joint (T3)
Xiphosternaljoint (T9) = inferior heart, superior liver, central tendon

Question 3

Head of rib articulation

Answer 3

same level vertebra + above

Question 4

Rib tubercule articulation

Answer 4

Transverse process of thoracic vertberae @ costotransverse joint (synovial plane)

Question 5

Costal grooves

Answer 5

contain intercostal veins, arteries, and nerves

Question 6

True ribs

Answer 6

1-7

Directy attachment to sternum

Question 7

False ribs

Answer 7

8-10

Indirect attachment to. sternum via. cartilage

Question 8

Floating ribs

Answer 8

11-12

Not connected

Question 9

Demi-facets of vertebral bodies articulation

Answer 9

Inferior/superior facets of rib head

Question 10

Articular facet of tubercule process articulation

Answer 10

transverse process of costotransverse joint (synovial plane)

Question 11

Site of chest drain

Answer 11

5th INTC SPACE

above superior border (avoid intercostal nerve)

Question 12

What’s the Scalene tubercule

Answer 12

1st rib: separates the subclavian vein (anterior) and subclavian vein artery + lowest of brachial plexus (posterior) grooves