اختبار: الجهاز الهضمي

In the radionuclide localization of acute gastrointestinal bleeding, two radiopharmaceuticals – Tc-99m-labeled red blood cells and Tc-99m-labeled sulfur colloid – are commonly used. Tc-99m RBCs have a stable persistence within the blood pool. On the contrary, Tc-99m SC is rapidly cleared from intravascular space with a Half-Time of approximately:

Which of the following organs is not part of the digestive system?

The rate of gastric emptying is controlled primarily by reflexes that occur:

Which of the following conditions are investigated using gastric emptying scintigraphy?

Which of the following is the order of tracing food bolus from the mouth to reach the end of the small intestine?

What is the indication for C14-Urea Breath Test?

Which of the following radionuclide is usually used for colon transit scintigraphy studies?

Patient preparation for some of the nuclear medicine scintigraphies is essential. For all of the following NM imaging procedures, the patient has to remain NPO (nothing per oral) after midnight EXCEPT for the:

Cinegraphic loop viewing of dynamic images of the gastrointestinal bleeding scintigraphy:

Which of the following is the site of gastro-oesophageal sphincter?