Understanding Ribs and Sternum

This video tutorial covers the anatomy of ribs and the sternum, explaining their structure, types, and functions. It details the 24 ribs in the human body, divided into true, false, and floating ribs based on their connection to the sternum. The tutorial also highlights the protective role of ribs for vital organs and their contribution to respiration. Additionally, the sternum's structure and its role in forming the rib cage are discussed.

How many pairs of ribs are present in the human body?

• 10 pairs

• 12 pairs

• 14 pairs

• 16 pairs

What is the main function of the ribs?

• Support the spine

• Facilitate movement

• Protect vital organs

• Aid in digestion

Which part of the rib is connected to the vertebra?

• Xiphoid process

• Sternal portion

• Vertebral portion

• Costal cartilage

What is the role of costal cartilage in the rib structure?

• Supports the lungs

• Forms the rib cage

• Connects ribs to the sternum

• Connects ribs to the vertebra

Which ribs are classified as true ribs?

• Ribs 1-7

• Ribs 1-5

• Ribs 8-10

• Ribs 11-12

Why are ribs 8-10 called false ribs?

• They are not connected to any rib

• They are connected to the seventh rib

• They are not connected to the sternum

• They are floating ribs

What is the primary function of the sternum?

• Aid in respiration

• Protect the heart

• Form the rib cage

• Support the spine

Which part of the sternum is located at the top?

• Xiphoid process

• Body

• Manubrium

• Costal cartilage

Where is the sternum located in the body?

• Dorsal side of the chest

• Ventral side of the chest

• Lateral side of the chest

• Posterior side of the chest

What completes the rib cage structure?

• Xiphoid process

• Vertebral column

• Costal cartilage

• Sternum