This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Ohopaedics Q Bank, Subject name: Orthopaedics
Regarding negative pressure wound therapy, false statement is: 
Select and explain. 
A. Necrotic tissue with eschar in wound is a contraindication to its use, B. Pressure is 30 mmHg, C. Gives good granulation tissue, D. Used intermittently or continuously
B: Pressure is 30 mmHg
Answer: B: Pressure is 30 mmHg 
Explanation: Negative pressure wound therapy: Enhances wound healing by the removal of fluid collecting in it. Suction pressure -75 to -125 mmHg Gives good granulation tissue Can be used intermittently or continuously Contraindications: Malignancy, Untreated osteomyelitis, Necrotic eschar