Where in the skeleton is the scapula located?

Correct Answer: D

Rationale: The scapula (shoulder blade) is in the shoulder girdle, part of the appendicular skeleton. ‘Shoulder girdle’ is more specific than ‘appendicular.’ Answer is D, per the document.

Correct Answer: A

Rationale: The occipital bone forms the cranium’s base. Mandible is facial, hyoid is neck, carpal is wrist—not cranial. Answer is A, per the document.

Correct Answer: B

Rationale: Carpals are the 8 wrist bones. Rib attachments are costal facets, tendon-embedded are sesamoids, thumbs have phalanges. Answer is B, per the document.

Correct Answer: A

Rationale: Synovial joints have a cavity with synovial fluid, unlike fibrous (tissue) or cartilaginous (cartilage) joints. Tendons don’t cover surfaces. Answer is A, per the document.

Correct Answer: C

Rationale: An osteon is a cylindrical unit of compact bone with concentric lamellae around a Haversian canal. Not cells, projections, or membrane. Answer is C, per the document.