Which of the Following Statements Are True of Innate Immunity

question 1

Multiple Choice

Which of the following statements are true of innate immunity (Select all that apply) ?

• A)Inflammation is a response to injury,and involves the release of histamine and leukotrienes.
• B)Lysozyme is an antiviral enzyme found in saliva.
• C)Interferon is an antibacterial chemical produced by macrophages.
• D)The unbroken stratum corneum is an excellent barrier to pathogens.
• E)Cilia sweep mucus and trapped pathogens out of the respiratory and digestive tracts.
• F)Macrophages,Langerhans cells,basophils,and mast cells all contribute to innate immunity.
• G)Neutrophils are phagocytic WBCs.
• H)Two signs of inflammation are heat and pain.

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