問題詳情

54 因疾病而切除部分胃的病人常有循環系統障礙及嘔吐的症狀,稱為 dumping syndrome,其原因為何?
(A) 胃酸太少
(B) 食物通過太快造成小腸內容物為高張溶液(hypertonic solution)
(C) 胃酸逆流
(D) 食物無法通過腸道

參考答案

答案:B
難度:簡單0.785714
統計:A(1),B(11),C(1),D(1),E(0)

用户評論

Chris】評論

Dumping syndrome has two forms, based on when symptoms occur. Early dumping syndrome occurs 10 to 30 minutes after a meal. It results from rapid movement of fluid into the intestine following a sudden addition of a large amount of food from the stomach.[1] The small intestine expands rapidly due to the presence of hypertonic/hyperosmolar contents from the stomach, especially sweet foods. This causes symptoms due to the shift of fluid into the intestinal lumen, with plasma volume contraction and acute intestinal distention.[3] Osmotic diarrhea, distension of the small bowel leading to crampy ab...