Which of the following describes the movements known as pronation and supination?

Correct Answer: C

Rationale: Pronation (palm down) and supination (palm up) involve radius crossing over ulna, twisting the wrist while the elbow stays fixed. Other options describe flexion, eversion/inversion, or circumduction. Answer is C, per the document.

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: 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.