Which of the following bone markings forms part of an articulation?

Correct Answer: B

Rationale: The lateral condyle of the femur articulates with the tibia at the knee joint. Tuberosity, trochanter, and tubercle are muscle attachments, not articulations. Answer is B, per the document.

Correct Answer: B

Rationale: Appendicular skeleton includes pectoral girdle, phalanges, and lower limbs. Thoracic cage (ribs, sternum) is axial. Answer is B, per the document.

Correct Answer: A

Rationale: Haemopoiesis is blood cell formation in bone marrow (‘poiesis’ = making). Clotting is haemostasis, crenation is osmotic, and proportion isn’t haemopoiesis. Answer is A, per the document.

Correct Answer: A

Rationale: Osteocytes are mature bone cells in lacunae of compact bone, derived from osteoblasts. Osteons are structures, not cells. Answer is A, per the document.

Correct Answer: A

Rationale: Haemopoiesis occurs in red marrow (active), found in medullary cavities and epiphyses, not yellow marrow (inactive) or cartilage plates. Answer is A, per the document.