Multiple Choice
Which of the following is not part of the innate immune system?
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21. The Immune System
Introduction to Innate Immunity
Multiple Choice
Which of the following is included in the body's nonspecific defense against invading pathogens?
A
Skin and mucous membranes
B
B lymphocytes
C
Antibodies
D
T lymphocytes
Verified step by step guidance1
Understand the concept of nonspecific defense mechanisms: These are the body's first line of defense against pathogens and are not tailored to specific invaders. They include physical and chemical barriers.
Identify the components of nonspecific defense: The skin and mucous membranes are part of this category. They act as physical barriers to prevent pathogens from entering the body.
Differentiate between nonspecific and specific defenses: Specific defenses involve the immune system targeting specific pathogens, such as B lymphocytes, T lymphocytes, and antibodies.
Recognize the role of skin and mucous membranes: The skin acts as a physical barrier, while mucous membranes trap pathogens and contain enzymes that can destroy them.
Conclude that skin and mucous membranes are part of the nonspecific defense system, while B lymphocytes, T lymphocytes, and antibodies are part of the specific immune response.
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