Answer:
upper gastrointestinal scan
Explanation:
Upper gastrointestinal series is the radiographic examination of upper gastrointestinal tract. Esophagus, stomach and then duodenum are visible on the X-ray film by the use of the liquid suspension which may be barium or water-soluble contrast.
Fluoroscopy is used during upper GI series. A continuous beam of X-ray rays is passed through body part and is transmitted to the monitor so that body part and the motion of it can be seen in every detail. <u>In upper GI series, the fluoroscopy allows radiologist to see movement of barium through esophagus, stomach, and duodenum as the person drinks.</u>
A positive control is a group in an experiment that receives a treatment with a known result, and therefore should show a particular change during the experiment. It is used to control for unknown variables during the experiment and to give the scientist something to compare with the test group.
<span>C. Autonomic have a nice day</span>
Answer is: <span>patient demographics and social history.
</span>Patient demographics is<span> for the identification of a patient and his categorization into categories for the purpose of statistical analysis.
</span><span>Social history provides background information about the patient, patient's education and employment, family background and other demographic information that can be helpful in treating the patient.</span>
