Ans: Once the injury has taken place, heat and redness occurs because of more blood flow to the injured site. When the exudate accumulates, the area begins to swell. When pressure builds up in the area due to the exudates and prostaglandins, and bradykinin appear at the site, pain results. More test answers on https://studyhippo.com/chapter-6-clinical-case-studies-critical-thinking-questions/