Learning Path
Question & Answer
Choose the Best Answer
C → A → D → B
A → D → C → B
C → B → A → D
B → C → D → A
Understanding the Answer
Let's break down why this is correct
First the skin blocks microbes. Other options are incorrect because This option puts acids and sebum before the skin barrier; This option keeps skin first but puts mucus before the oils and sebum.
Key Concepts
Barriers to Pathogens
easy level question
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Deep Dive: Barriers to Pathogens
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Definition
Barriers to Pathogens refer to the various defenses in the body that prevent harmful microorganisms from entering and causing infection. These barriers include mucus, skin oils, and other physical and chemical defenses that help protect against pathogens, contributing to the body's innate immune response.
Topic Definition
Barriers to Pathogens refer to the various defenses in the body that prevent harmful microorganisms from entering and causing infection. These barriers include mucus, skin oils, and other physical and chemical defenses that help protect against pathogens, contributing to the body's innate immune response.
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