GI Board Review Nuclear medicine questions with correct answers

The size of the colloid particles is important in imaging the reticuloendothelial system. Particles smaller than 20 nm tend to accumulate in: CORRECT ANSWER bone marrow Esophageal transit scintigraphy is fast, noninvasive, and easy to perform diagnostic procedure but its widespread use is limited because of: CORRECT ANSWER lack of standarization Scintigraphy is the gold standard measurement of gastric emptying for diagnosis of gastroparesis. All the following symptoms are common among patients with gastric dysmotility disorders EXCEPT: (A) Nausea and vomiting (B) Early satiety (C) Abdominal bloating (D) Tachycardia CORRECT ANSWER D (tachycardia) Tc-99m-labeled erythrocytes and Tc-99m sulfur colloid are two commonly used techniques to detect: (A) Active bleeding (B) Hemangioma (C) Melena (D) Hematemesis CORRECT ANSWER A (active bleeding) GI bleed study is what type of nuclear medicine acquisition? CORRECT ANSWER Dynamic study