This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Wound Healing, Subject name: Pathology
[{'content': 'How many hours after injury are activated fibroblasts, myofibroblasts, and capillary sprouts most abundant in the wound of a 29-year-old carpenter who receives a traumatic laceration? \nSelect and explain. \nA. 3 to 6 hours, B. 12 to 24 hours, C. 3 to 5 days, D. 8 to 10 days', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Activated fibroblasts, myofibroblasts, and capillary sprouts are abundant in healing wounds 3 to 5 days following injury. Activated fibroblasts change shape from oval to bipolar as they begin to form collagen and synthesize a variety of extracellular matrix proteins. -Neutrophils accumulate in the wound 12 to 24 hours after injury (choice B). -Mature scar tissue would be visible 2 weeks following injury. Diagnosis: Healing by primary intention', 'role': 'assistant'}]