What type of medical imaging technique can help in identifying radon exposure effects?

A CT scan is particularly useful for identifying effects of radon exposure on health, especially in detecting changes in the lungs. Radon is a radioactive gas that can contribute to lung cancer when inhaled over extended periods, and a CT scan provides detailed cross-sectional images of the lungs. This imaging technique allows for the visualization of tumors or other abnormalities in lung tissue that may result from radon exposure.

In contrast, other imaging techniques like X-rays can provide only limited information and may not capture the detailed images necessary for evaluating lung changes. Ultrasound primarily assesses soft tissues and is not effective for visualizing the lungs or identifying issues related to inhalation of gases. NMR Imaging, or MRI, is typically used for soft tissue imaging and does not effectively visualize the lung structures in the way that CT scans do, especially when it comes to lung pathology. Therefore, the CT scan stands out as the most effective medical imaging technique for assessing the health impacts of radon exposure.