This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Radiology
Capsule endoscopy is used for – 
Select and explain. 
A. GERD, B. Motility disorder, C. Bleeding, D. None
C: Bleeding
Answer: C: Bleeding 
Explanation: Capsule endoscopy allows the noninvasive visualization of the mucosa throughout the small intestine. It is particularly useful in the evaluation of obscure gastrointestinal bleeding.