NR 283 .

NR 283 STUDY GUIDE EXAM 2. Chapter 8 Functions of the Skin: • Acts as the first line of defense • Prevents excess fluid loss • Controls body temperature • Active in sensory perception • Synthesizes vitamin D Pruritus: • Itching o Allergic responses, Type I sensitivity o Chemical irritation caused by insect bites o Parasite infestations Pruritus Causes: • Release of histamine in a hypersensitivity response Effects of Pruritus: • Redness and itching – infl...