A 62-year-old female patient undergoes a DEXA scan. Her T-sc…

A 62-year-old female patient undergoes a DEXA scan. Her T-score at the femoral neck is -2.6, and her Z-score is -1.2. The scan was performed at the spine, femur, and radius. Apply your understanding of DEXA metrics and ROI selection and answer the following questions:1.     INTERPRET the clinical significance of the T-score and Z-score results. (4)2.     JUSTIFY the choice of ROIs used in this scan for assessing fracture risk and osteoporosis progression. (3)

A quality audit reveals that two radiography rooms equipped…

A quality audit reveals that two radiography rooms equipped with the same model of X-ray unit and detector consistently produce different image quality and patient dose levels. Equipment performance reports show that all systems are operating within QC tolerance limits. Further investigation finds considerable variation in radiographers’ positioning techniques and exposure-factor selection. What is the most likely underlying quality management issue?