This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General surgery, Subject name: Surgery
[{'content': 'False statement regarding the vacuum-assisted closure is \nSelect and explain. \nA. Continuous negative pressure is applied, B. Hastens formation of granulation tissue, C. Decreases edema, D. Increases blood flow', 'role': 'user'}, {'content': 'Answer: A \nExplanation: In vacuum assisted dressing, an intermittent negative pressure of approximately-125 mmHg is applied to hasten debridement and theformation of granulation tissue in chronic wounds and ulcers. adhesive film. Negative pressure may act by decreasing oedema, by removing interstitial fluid and by increasing bloodflow. As a result, bacterial counts decrease and cell proliferationincreases, thereby creating a suitable bed for graft or flap cover. Bailey and Love 27e pg: 30', 'role': 'assistant'}]