A fracture of the lateral malleolus would involve the

Correct Answer: A

Rationale: The lateral malleolus, the bony prominence on the outer ankle, is the distal end of the fibula. The tibia has the medial malleolus, while ulna and radius are forearm bones.

Correct Answer: B

Rationale: The primary inorganic component of vertebrate bone is calcium phosphate (in the form of hydroxyapatite), providing strength and rigidity. Calcium carbonate is minor, potassium hydroxide isn’t a bone component, and ‘none of the above’ is incorrect since calcium phosphate is present.

Correct Answer: A

Rationale: Tendons are fibrous connective tissues that attach skeletal muscles to bones, enabling movement by transmitting muscle force. This is a fundamental role of tendons, making ‘True’ correct. ‘False’ would apply to ligaments, which connect bone to bone.

Correct Answer: A

Rationale: The axial skeleton includes the skull, vertebral column, and thoracic cage (ribs and sternum), which protect vital organs like the heart and lungs. The girdles (pectoral and pelvic) are part of the appendicular skeleton, not the axial, making 'thoracic cage' the correct addition.

Correct Answer: B

Rationale: The plural of 'foramen' (Latin for hole) is 'foramina,' following Latin grammatical rules, as seen in terms like 'foramen magnum.' 'Foramens' is an incorrect Anglicized plural.