Which term below refers to a depression in a bone?

Correct Answer: B

Rationale: A fossa is a depression in a bone (e.g., mandibular fossa). Tuberosity, tubercle, and condyle are projections, not depressions. Answer is B, per the document.

Correct Answer: A

Rationale: A fossa is a depression (e.g., for articulation), not a muscle attachment projection. Tuberosity, tubercle, and trochanter are projections for muscles. Answer is A, 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.