RTBC Image Evaluation and Quality Control (122) Practice Exam 2025 – The All-in-One Guide to Mastering Your Certification!

The correct choice is the hypersthenic body habitus, as individuals with this body type tend to have a broader and more muscular physique, resulting in a larger object-to-image distance (OID) during an abdomen radiograph. The hypersthenic body habitus typically includes a short and wide torso and a more pronounced protrusion of the abdomen, which can increase the distance from the body to the image receptor when positioned for imaging.

In radiographic procedures, greater OID can lead to increased magnification and potential distortion of anatomical structures. Understanding the differences in body habitus is important because it affects positioning and exposure technique, ultimately impacting image quality and diagnostic accuracy. Thus, the hypersthenic body type specifically results in the largest OID due to its distinctive anatomical characteristics compared to the other body types, which are generally slimmer and may not present the same challenges in radiographic distance measurement.