Computerized tomography (CT) scans Mammograms Uses radio waves and magnets to generate detailed images of the body Use X-rays to examine breast tissue for cancer X-rays take pictures of organs from different angles and computers assemble them into 3-D models. Positron Emission Tomography (PET) scans Magnetic Resonance Imaging (MRI) Uses radioactive tracers to look at the uptake of sugar by cells
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Which of these imaging techniques use X-rays? (Choose all that apply) Positron emission tomography Computed tomography Magnetic resonance imaging Ultrasound Fluoroscopy Radiography Mammography
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A CT or CAT scan relies on a circling scanner that revolves around the patient's body. Watch this video (http://openstaxcollege.org///CATscan) to learn more about $\mathrm{CT}$ and $\mathrm{CAT}$ scans. What type of radiation does a $\mathrm{CT}$ scanner use?
Which of the following imaging techniques expose(s) the body to radiation? a. X-rays c. PET scans b. MRIs d. both (a) and (c)
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