Question

which of the following types of vertebrae and their numbers is not correct?
○ cervical: 7
○ lumbar: 5
○ thoracic: 12
○ sacral: 2 fused
○ coccygeal: 3 to 5 fused

Explanation:

The sacral vertebrae are 5 in number and they fuse to form one sacrum. So the statement "sacral: 2 fused" is incorrect. The cervical vertebrae are 7, lumbar are 5, thoracic are 12, and the coccygeal vertebrae are 3 - 5 and fused.

Answer:

sacral: 2 fused