The Rib Cage

Question 1

Sternum

Answer 1

• Breastplate
• Forms the front middle portion of the rib cage
• Joins with the clavicles and most ribs
• Xyphoid process
• Cartilaginous tip

Question 2

12 pairs of ribs

Answer 2

• All are attached posteriorly to thoracic vertebrae

Question 3

True

Answer 3

• First seven pairs of ribs
  • Attach to sternum by costal cartilage

Question 4

False

Answer 4

• Rib pairs 8, 9, and 10
• Attach to the costal cartilage of rib 7

Question 5

Floating

Answer 5

• Rib pairs 11 and 12
• Do not attach anteriorly to any structure