This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Stomach & Duodenum, Subject name: Surgery
Blind loop syndrome is characterized by: 
Select and explain. 
A. Diarrhea, B. Deficiency of fat-soluble vitamins, C. Diagnosed by culture obtained through intestinal tube, D. All of the above
D: All of the above
Answer: D: All of the above 
Explanation: Blind loop syndrome: Post Billroth-II Gastrectomy procedure, stricture, diveicula Redundant afferent limb after billroth-II Sx | Collection of food | Bacterial overgrowth | Vit B12 Deficiency, diarrhea Dx: Bacteria culture Tx: Broad spectrum antibiotics - Tetracycline Parenteral vitamin B12 Supplementation