1 Complete the requirements of at least one major degree program. 2  Complete at least 120 semester hours (some degree programs require more than 120 hours). 3  Complete at least 60 semester hours at Rice University.4  Complete at least 48 hours of all degree work in upper-level courses (at the 300 level or higher). Complete the requirements of at least one major degree program. 2  Complete at least 120 semester hours (some degree programs require more than 120 hours). 3  Complete at least 60 semester hours at Rice University.
X-rays are waves of electromagnetic radiation that are absorbed differently by different tissues. Bones absorb them well because they are dense. A skeletal X-ray specifically looks at your skeletonâwhich is made up of all the bones in your body.
A lumbar spine X-ray is an imaging test that helps doctors view the anatomy of your lower back. The lumbar spine is made up of five vertebral bones, the sacrum (the bony âshieldâ at the back of your pelvis), and the coccyx (tailbone).n X-ray is a useful test for many conditions. It can help your doctor understand the cause of chronic back pain or view the effects of injuries, disease, or infection. Your doctor may order a lumbar spine X-ray to diagnose: 1  birth defects that affect the spine.