Individual fall risk factors can be categorized as either intrinsic or extrinsic. Which of the following is an example of an intrinsic fall risk factor?

A. Poor lighting is an extrinsic (environmental) factor that increases fall risk by making it difficult to see obstacles. B. Height of bed is also an extrinsic factor, as it relates to the physical environment and equipment setup. C. Reduced vision is an intrinsic factor because it is related to the individual's physical condition and internal health status. D. Lack of support equipment for bathtubs and toilets is an extrinsic factor tied to environmental setup and safety aids.