One of the functions of bones is to make red blood cells. What is this process known as?

Correct Answer: B

Rationale: Haemopoiesis (or hematopoiesis) is blood cell formation in bone marrow, including red blood cells. Haemolysis is cell rupture, haematuria is blood in urine, and haemostasis is clotting—none match. Answer is B, per the document.

Correct Answer: D

Rationale: Synovial joints (e.g., knee) are freely movable (diarthrotic) due to synovial fluid. Synarthrosis is immovable, others don’t apply. Answer is D, per the document.

Correct Answer: A

Rationale: The manubrium (top of sternum) is superior (higher) to the xiphoid process (sternum bottom), coccyx (tailbone), and femur (thigh) in anatomical position. Answer is A, per the document.

Correct Answer: D

Rationale: The hyoid (neck) is most inferior (lowest). Ethmoid and sphenoid are skull bones (superior), ‘femoid’ isn’t a bone. Answer is D, per the document.

Correct Answer: C

Rationale: Synovial joints have an articular capsule, synovial fluid, and ligaments, but articulating surfaces are covered by hyaline cartilage, not synovial membrane (which lines the capsule). Answer is C, per the document.