NEET PG DENTAL EXAM

Detailed explanation-1: -Impetigo, folliculitis, and boils are common types. The most common primary skin pathogens are S aureus, -hemolytic streptococci, and coryneform bacteria. These organisms usually enter through a break in the skin such as an insect bite.

Detailed explanation-2: -Innate immunity is an essential defense against pathogens The epidermis, the outermost layer of the skin, is a physical barrier against pathogens. However, breach of the skin barrier through wounding introduces a myriad of microbes to the site of injury.

Detailed explanation-3: -Mechanical barriers physically block pathogens from entering the body. The skin is the most important mechanical barrier. In fact, it is the single most important defense the body has. The outer layer of the skin is tough and very difficult for pathogens to penetrate.