American Society of Radiologic Technologist (ASRT) Practice Exam

What is a key advantage of high-frequency generators in radiologic technology?

1. Decreased weight

2. Increased patient exposure

3. Enhanced image quality

4. Reduced cost

The correct answer is: Enhanced image quality

High-frequency generators are a significant advancement in radiologic technology primarily due to their ability to produce a more constant and even electrical output. This leads to enhanced image quality, which is the correct response to the question. By reducing the ripple in the x-ray output, high-frequency generators provide a more consistent beam quality. This minimizes the exposure to scattered radiation and results in clearer images that have better contrast and detail. Patients benefit from improved diagnostic images, which can facilitate accurate assessments by radiologists. The other options do not align with the key advantages of high-frequency generators. While weight may be a consideration in equipment design, it does not represent the primary benefit of these generators. Increased patient exposure contradicts the goal of modern radiologic practice, which seeks to minimize exposure while enhancing safety and image quality. Reduced cost may be a potential long-term benefit, but high-frequency generators often involve a higher initial investment, making cost savings less of a priority compared to the benefits offered in terms of image quality and patient safety.