Rib Bone Anatomy Quiz
1. The individual rib in the illustration above is a typical rib, which includes ribs 3-9. Identify figure 1.
A. Head
B. Neck
C. Tubercle
D. Body (shaft)
The answer is D, body, also called the shaft.
2. What is figure 2 depicting in the illustration above?
A. Head
B. Costal groove
C. Tubercle
D. Body (shaft)
The answer is B, the costal groove. This groove allows for the passage of intercostal nerves and vessels, and it
also gives the inferior (bottom) border of the rib a sharper feel.
3. What is figure 3 depicting in the illustration above?
A. Tubercle
B. Costal angle
1. The individual rib in the illustration above is a typical rib, which includes ribs 3-9. Identify figure 1.
A. Head
B. Neck
C. Tubercle
D. Body (shaft)
The answer is D, body, also called the shaft.
2. What is figure 2 depicting in the illustration above?
A. Head
B. Costal groove
C. Tubercle
D. Body (shaft)
The answer is B, the costal groove. This groove allows for the passage of intercostal nerves and vessels, and it
also gives the inferior (bottom) border of the rib a sharper feel.
3. What is figure 3 depicting in the illustration above?
A. Tubercle
B. Costal angle
