The illumination of the x-ray tube light source at 100 cm must be at least how many lux?

The minimum illumination requirement for an x-ray tube light source at a distance of 100 cm is established to ensure optimal visibility and safety during imaging procedures. In this context, the correct answer of 160 lux represents a standard that facilitates clear visualization of the anatomy and positioning while minimizing the likelihood of errors that could arise from inadequate lighting. This level of illumination helps radiologic technologists perform their duties more effectively by ensuring that they can accurately align the patient and the x-ray equipment.

The importance of adhering to the required lux level directly affects the quality of radiographic images, as proper lighting aids in reducing shadows and enhancing overall visibility. Ensuring that the x-ray tube light source meets or exceeds this standard not only supports high-quality imaging but also promotes patient safety and comfort during the procedure.

Other values, such as 40 lux, 80 lux, and 120 lux, while they might represent sufficient lighting in other contexts, do not meet the established standards for x-ray tube lighting needed for the specific distances mentioned. This reinforces that the correct minimum of 160 lux is necessary for proper function in radiologic environments.