The _____________ is a fluoroscopic examination of the esophagus, stomach, and duodenum, involving oral administration of barium sulfate as a contrast medium.
__________ is an imaging method in which a magnetic field and radiofrequency pulses are used to create computer images of bones and soft tissue in multiple planes.
_______________ is an imaging method in which radioactive materials are injected into the body or ingested to provide information about the function of organs and tissues.