Rib Anatomy and Functions

The video tutorial covers the axial skeleton, focusing on the thoracic cage, sternum, and ribs. It explains the classification of ribs into true, false, and floating categories, and how they articulate with the vertebrae and sternum. The lesson concludes with a brief introduction to the appendicular skeleton.

What is another term for the rib cage?

• Thoracic cage

• Vertebral cage

• Appendicular cage

• Axial cage

Which part of the sternum is described as the 'knot' of a necktie?

• Manubrium

• Xiphoid process

• Cartilage

• Body

What is the xiphoid process primarily made of?

• Tendons

• Muscle

• Hyaline cartilage

• Bone

How many pairs of ribs are considered true ribs?

• 12

• 10

• 7

• 5

What distinguishes false ribs from true ribs?

• They are located at the top

• They are made of cartilage

• They do not attach directly to the sternum

• They are longer

Which ribs are known as floating ribs?

• Ribs 1 and 2

• Ribs 5 and 6

• Ribs 8 and 9

• Ribs 11 and 12

What is the primary function of the joints between ribs and vertebrae?

• To prevent movement

• To allow movement

• To store calcium

• To produce red blood cells

What is the main difference between true ribs and floating ribs?

• Floating ribs are made of cartilage

• True ribs are located at the bottom

• True ribs are longer

• Floating ribs do not attach to the sternum

Which ribs are connected to the sternum by cartilage?

• All ribs

• False ribs

• Floating ribs

• True ribs

What is the next topic after the axial skeleton in the video?

• Cranial bones

• Appendicular skeleton

• Muscular system

• Digestive system