Which of the following statements regarding normal anatomic landmarks is correct?

a. The maxillae are two bones, a left maxilla and a right maxilla.
b. There are right and left mandibular bones.
c. There are two frontal bones, a right and a left.
d. The sphenoid bone is also called the "malar bone" or "cheekbone."

a. While there are two maxillae, there is only one mandible and one frontal bone. The zygomatic bone is also called the "malar bone" or "cheekbone."