Which list contains the bones of the pelvic and pectoral girdles?

Correct Answer: C

Rationale: Pelvic girdle: coxal bones; pectoral girdle: clavicles, scapulae. Manubrium, cervical, coccyx, sacrum are axial. Answer is C, per the document.

Correct Answer: C

Rationale: The Haversian canal (central canal) in an osteon holds blood vessels, named after Clopton Havers. Not a foramen, groove, or medullary canal. Answer is C, per the document.

Correct Answer: D

Rationale: Osteoblasts form bone by secreting matrix, maturing into osteocytes. Osteons are structures, osteoclasts resorb bone. Answer is D, per the document.

Correct Answer: B

Rationale: Osteon (Haversian system) is a cylindrical unit in compact bone around a central canal, not cells, spongy bone, or lacunae. Answer is B, per the document.

Correct Answer: B

Rationale: The metaphysis is the region between the diaphysis (shaft) and epiphysis (end), part of the growth plate. Answer is B, per the document.