PATHOLOGY

Detailed explanation-1: -The inflammatory response (inflammation) occurs when tissues are injured by bacteria, trauma, toxins, heat, or any other cause. The damaged cells release chemicals including histamine, bradykinin, and prostaglandins. These chemicals cause blood vessels to leak fluid into the tissues, causing swelling.

Detailed explanation-2: -Which of the following helps activate our nonspecific (innate) defense system? histamine.

Detailed explanation-3: -Answer and Explanation: The following is a major component of our nonspecific defense system: inflammation.

Detailed explanation-4: -Granulocytes. Granulocytes are effector cells that predominate during the early or acute phase of the innate immune response. The main function of these cells is to identify, ingest, and destroy microbial pathogens through receptors, oxidative mechanisms, and enzymes including lysozyme, collagenase, and elastase, etc.