Rib Anatomy and Classification

This video tutorial by a registered nurse covers the anatomy of ribs, explaining their role in protecting vital organs and assisting with breathing. It classifies ribs into true, false, and floating categories, and describes the intercostal spaces and muscles. The video also differentiates between typical and atypical ribs, highlighting their unique features. Additional resources and quizzes are provided for further learning.

What type of bones are ribs classified as?

• Long bones

• Irregular bones

• Short bones

• Flat bones

Which ribs are known as true ribs?

• Ribs 1-7

• Ribs 8-10

• Ribs 11-12

• Ribs 3-9

How do false ribs differ from true ribs in their attachment?

• They attach to the clavicle

• They attach directly to the sternum

• They do not attach to the sternum

• They attach to the vertebrae only

What fills the intercostal spaces in the thoracic cage?

• Fat tissue

• Cartilage

• Muscles, nerves, and blood vessels

• Bone marrow

Which intercostal space is used to locate the apical pulse?

• Tenth intercostal space

• Fifth intercostal space

• Second intercostal space

• First intercostal space

What is a characteristic feature of typical ribs?

• They have a shaft, head, neck, and tubercle

• They lack a costal groove

• They have a single articular facet

• They are shorter and wider

Where does the tubercle of a typical rib articulate?

• With the clavicle

• With the scapula

• With the sternum

• With the transverse process of the vertebra

Which ribs are considered atypical?

• Ribs 3-9

• Ribs 1, 2, 10, 11, 12

• Ribs 8-10

• Ribs 5-7

What unique feature does rib one have?

• It has a scalene tubercle

• It has two articular facets

• It lacks a head

• It is the longest rib

Which ribs do not have necks or tubercles?

• Ribs 9 and 10

• Ribs 11 and 12

• Ribs 3 and 4

• Ribs 1 and 2