Question 1

When starting CPR, proper hand placement is essential. If the hands are placed to inferiorly, there is the risk of a sternal break and possible piercing of the heart deep to the sternum. Which part of the sternum runs the risk of breaking?

Accepted Answer

The xiphoid process is the small, cartilaginous projection at the lower end of the sternum. If hands are placed too low during CPR, there is a risk of breaking the xiphoid process, which can potentially cause injury to underlying structures.

Question 2

Which structure allows the spinal nerves to exit from the spinal cord?

Accepted Answer

The intervertebral foramen is the opening between adjacent vertebrae through which spinal nerves exit the spinal cord.

Quiz 9: The Axial Skeleton

When starting CPR, proper hand placement is essential. If the hands are placed to inferiorly, there is the risk of a sternal break and possible piercing of the heart deep to the sternum. Which part of the sternum runs the risk of breaking?

Which structure allows the spinal nerves to exit from the spinal cord?