Wound Healing — Phases and Factors

A 42-year-old male presents with a clean surgical wound on the forearm sustained during an elective procedure 5 days ago. On examination, the wound margins are well-approximated with minimal erythema, and the patient reports mild itching at the site. Histologically, which of the following processes is predominant at this stage of wound healing?

A 52-year-old male farmer from rural Maharashtra undergoes elective open cholecystectomy for symptomatic cholelithiasis. On postoperative day 5, the surgical wound shows erythema, warmth, and purulent discharge. Culture grows Staphylococcus aureus. The patient's haemoglobin is 9.2 g/dL (preoperative: 13.8 g/dL), serum albumin 2.8 g/dL, and blood glucose (random) 280 mg/dL. Which of the following is the MOST significant modifiable risk factor contributing to impaired wound healing in this patient?

A 38-year-old woman presents with a chronic non-healing diabetic foot ulcer on the plantar surface. The ulcer has been present for 8 weeks with minimal epithelialization despite standard wound care and glycaemic control. A wound biopsy shows granulation tissue with poor angiogenesis. Which agent is the drug of choice to promote wound healing in this scenario?

A 48-year-old woman with poorly controlled type 2 diabetes mellitus (HbA1c 9.8%) undergoes elective hysterectomy. On postoperative day 12, the surgical wound shows delayed healing with minimal granulation tissue formation and persistent serosanguinous drainage. The patient is afebrile and hemodynamically stable. Which investigation would best assess the adequacy of wound healing and identify any underlying collagen deposition abnormality?

During a prospective audit of post-operative wound complications in a tertiary surgical centre in Delhi, which is the most common site of surgical site infection (SSI) following abdominal surgery?