This study source was downloaded by 100000802832151 from CourseHero.com on 11-07-2022 02:38:43 GMT -06:00https://www.coursehero.com/file/164148498/Week-8-DQdocx/ Week 8 DQPart 1Recommend a type of diagnostic image, with or without contrast, for the following patients:1. A patient with persistent lower back pain resistant to conservative interventions MRI without contrast- The patient with persistent lower back pain resistant to conservative interventions might benefit from an MRI to visualize the structures in the spine and look for any possible abnormalities. MRI uses radio waves and magnets to view soft tissues. Especially useful in diagnosingavascular necrosis, disc disease, tumors ligament tears, cartilage tears, and osteomyelitis. No radiation exposure. However, if MRI contrast is indicated, a thorough assessment such as current kidney or liver disorders- Risk of reaction to contrast greater (Liu et al., 2022). 2. A 74-year-old male with dyspnea, productive green, phlegm, fever and chills, andmalaise. CXR: The patient might benefit from a chest x-ray to look for any possible infections such as pneumonia or other abnormalities in the lungs. CXR provides 2D image and able to examines dense tissues. 3. A 48-year-old female who is 48-hours postoperative complaining of right-calf pain.o Duplex ultrasonography is a noninvasive test that can be used to detect DVTs by