Mrs. X was getting out of her car, when she slammed the car dooron her knee, hurting it quite badly, even though there was nobroken skin or bleeding. The knee became very swollen and painfulwithin the first couple of hours of the injury, making it difficultto walk, so Mrs. X went to an emergency room to check her knee.
Explain what happened here at the cellular level (usethe inflammatory reaction cascade to answer step by step).
When Mrs. X came to the ER, the X-rays of her knee were taken,revealing no fracture. Doctor recommended ice packs to help reducethe swelling. What is the purpose of the ice packs? Explain at thecellular level.
The doctor also prescribed Ibuprofen for inflammation and pain.Explain how that helps at the cellular level.
