Question

which term means \surgical removal of a rib\?
craniotomy
costectomy
costotomy
arthrectomy

Explanation:

The prefix "cranio -" refers to the skull, so craniotomy is related to the skull. "Arthro -" refers to joints, so arthrectomy is about joints. "Cost -" refers to ribs. "Tomy" means cutting, and "ectomy" means removal. So costectomy means surgical removal of a rib.

Answer:

B. costectomy