Chapter 15 Introduction to the Immune Response and Inflammation (RTF354)

Cognitive Level: Knowledge Difficulty: Easy Integrated Process: Nursing process 1.Which of the following is considered the body's first line of barrier defense? A) Mast cells B) Mucous membranes C) Skin D) T cells Ans: C Response: The skin is the first line of barrier defense. The skin acts as a physical barrier to protect the internal tissues and organs of the body. Mast cells are part of cellular defense; they are found in the respiratory and gastrointestinal tracts and are fixed ...