20 feet
yes & yes
Yes, the target-to-panel distance can affect patient exposure. A longer distance can lead to increased scatter radiation reaching the patient, which can result in higher radiation exposure. It is important to optimize the target-to-panel distance to maintain image quality while minimizing patient radiation dose.
The CEA test is most commonly ordered when a patient has a cancer of the gastrointestinal system.
glucose
antigen
yes
Test
a small quantity of hydrochloric acid (HCl) is directed into the patient's esophagus. If the patient feels pain from the acid, the test is positive for reflux esophagitis.
What type of laboratory test(s) would NOT be conducted if you suspect a patient has contracted plague
The patient is to fast with nothing to eat or drink for at least eight hours before the test. It is also suggested that the patient lie down for 30 minutes before the test.
The patient is asked what medications they are on, to see if they may influence test results. If the patient is on heparin therapy, the blood sample is drawn one hour before the next dose of heparin.
The purpose of the TC test is to measure the levels of cholesterol in the patient's blood