The three basic lines of defense include:

Question

Quizplus · Accepted Answer

All three options - an intact skin, the inflammatory response, and the immune response - are considered the basic lines of defense in the body against pathogens and foreign substances. The skin acts as a physical barrier to prevent entry of pathogens. The inflammatory response is activated when the body detects tissue injury or invasion by foreign substances, and it involves the release of various mediators to fight off the invaders and promote tissue repair. The immune response provides a specific and targeted defense against pathogens through the actions of specialized cells and molecules, such as antibodies. Therefore, all three options are important basic lines of defense in protecting the body.

The Three Basic Lines of Defense Include