7. The Skeletal System

When giving chest compressions during CPR the thoracic cavity can flex in and out without breaking bones. What is one reason that the thoracic cage is able to flex in this manner?

What makes false ribs different from true ribs?

Fill in the blanks: The inferior portion of the sternum is the_____ . The superior portion of the sternum is the_____, and it articulates with the______ and the first rib.

How do true, false, and floating ribs differ from one another?

You arrive on the scene where a person without a pulse was found. Someone on the scene performed CPR, but the individual unfortunately could not be revived. On postmortem examination, it is discovered that several ribs and the xiphoid process were fractured. What likely caused these fractures?