Podcast
Questions and Answers
Which enzyme found in saliva helps destroy bacteria by digesting their cell walls?
Which enzyme found in saliva helps destroy bacteria by digesting their cell walls?
- Lipase
- Pepsin
- Lysozyme (correct)
- Amylase
What role does the acidic environment of the stomach play as a barrier to pathogens?
What role does the acidic environment of the stomach play as a barrier to pathogens?
- It promotes microbial growth
- It is fatal to many pathogens (correct)
- It helps in nutrient absorption
- It aids in mucus production
In which part of the body does the mucus layer trap microbes and debris as a protective mechanism?
In which part of the body does the mucus layer trap microbes and debris as a protective mechanism?
- Liver
- Intestines
- Eyes (correct)
- Heart
How are potentially contaminated mucus removed from the upper respiratory tract?
How are potentially contaminated mucus removed from the upper respiratory tract?
Why have multiple barrier mechanisms evolved in the body to protect against pathogens in vital areas?
Why have multiple barrier mechanisms evolved in the body to protect against pathogens in vital areas?
What is the primary function of the innate immune response?
What is the primary function of the innate immune response?
Which statement accurately describes barrier defenses in the body?
Which statement accurately describes barrier defenses in the body?
How does the skin act as a barrier to prevent the entrance of microorganisms into the body?
How does the skin act as a barrier to prevent the entrance of microorganisms into the body?
What is a key feature of the adaptive immune response?
What is a key feature of the adaptive immune response?
What is one way in which sweat contributes to the barrier defense against pathogens?
What is one way in which sweat contributes to the barrier defense against pathogens?
Why are barrier defenses considered part of the body's most basic defense mechanisms?
Why are barrier defenses considered part of the body's most basic defense mechanisms?
