What Structure is an Important Clinical Landmark Because It Can

Question

What structure is an important clinical landmark because it can be used for counting the ribs?
A)Xiphoid process
B)Acromion
C)Sternal notch
D)Pubic tubercle
E)Sternal angle

Accepted Answer

The sternal angle, also known as the angle of Louis, is an important clinical landmark because it marks the location of the second rib and the intervertebral disc between the fourth and fifth thoracic vertebrae. Counting down from this point can help determine the location of other ribs.