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Questions and Answers
What is the role of mucus in the respiratory, digestive, and reproductive epithelia as a surface membrane barrier?
What is the role of mucus in the respiratory, digestive, and reproductive epithelia as a surface membrane barrier?
- Transporting pathogens out of the body
- Trapping microorganisms and preventing their entry into the body (correct)
- Neutralizing pathogens with enzymes
- Providing a physical barrier against pathogens
How does the acid mantle in the vagina act as a protective barrier against pathogens?
How does the acid mantle in the vagina act as a protective barrier against pathogens?
- It neutralizes pathogens with acidic enzymes
- It inhibits the growth of most bacteria and fungi (correct)
- It physically blocks pathogens from entering the vagina
- It transports pathogens out of the body
What is the function of lysosomes in tears and saliva as a surface membrane barrier?
What is the function of lysosomes in tears and saliva as a surface membrane barrier?
- Destroying pathogens (correct)
- Creating a physical barrier against pathogens
- Neutralizing pathogens with enzymes
- Transporting pathogens out of the body
How do nasal hairs contribute to the body's defence against pathogens?
How do nasal hairs contribute to the body's defence against pathogens?
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What is the primary function of sweat and sebum in the epidermal surface?
What is the primary function of sweat and sebum in the epidermal surface?
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