Which imaging technique is used to visualize a fractured bone?

The correct choice for visualizing a fractured bone is radiography, commonly known as X-rays. This imaging technique is widely recognized for its effectiveness in detecting fractures due to its ability to provide clear images of the skeletal system. X-rays work by passing a small amount of radiation through the body, which results in images that show the different densities of tissues. Bone appears white on the film or digital image due to its high density, making it easy to identify fractures.

Other imaging techniques can be used to assess fractures, but they serve different purposes or have different advantages. Ultrasound, for instance, is more effective for soft tissue evaluation and is not typically used for assessing bone integrity directly. A CT scan, while providing more detailed cross-sectional images and useful for complex fractures, is generally used when additional detail is necessary beyond what X-rays can provide. MRI is primarily used for evaluating soft tissues, cartilage, and ligaments but is not the first choice when needing to confirm a straightforward fracture. Thus, radiography remains the standard and most appropriate method for visualizing fractures in bones.