Which Group is Incorrect

Question

Which group is incorrect?
A) Sinuses: frontal, maxillary, sphenoidal, ethmoidal
B) Spinal curvatures: cervical, thoracic, lumbar, sacral
C) Bones of the lower extremities: femur, tibia, fibula
D) Bones of the vertebral column: atlas, axis, coxal bone

Accepted Answer

The bones of the vertebral column are not atlas, axis, and coxal bone. Atlas and axis are the first two cervical vertebrae, while the coxal bone is part of the pelvic girdle.