Which wound most likely requires healing by second intention?

The nurse is called to the intubated patient’s room by the patient's child who reports a large gush of red-tinged fluid from a transverse abdominal wound after the patient coughed. While calling for help, the nurse ensures the patients bed is set to which degree angle?

The nurse is assigned to a patient with chronic alcoholism and alcoholic cirrhosis. Examination of the patient is significant for dilated tortuous veins around his umbilicus and internal hemorrhoids. On the morning of his third day of the current admission, the patient acutely begins to vomit up large amounts of blood. Which describes the pathophysiology that most likely caused this event?