10 Questions
What is the function of epidermal dendritic cells in the skin's innate immune system defense?
Destroy pathogens by engulfing them
Why is the epidermis considered an important component of the skin's defense system?
It is composed of multiple layers that prevent most pathogens from penetrating
Which body systems are protected by the skin as part of the first line of defense?
Respiratory and Digestive systems
How does shedding of dead skin cells contribute to the skin's defense mechanism?
It removes attached microorganisms from the skin's surface
What role do epidermal dendritic cells play in intercepting invaders in the skin?
Identify and engulf pathogens for destruction
What is the main function of collagen in the dermis?
Provide skin strength and pliability
Which component of sweat helps inhibit the growth of pathogens?
Salt
How do mucous membranes help prevent the entry of pathogens?
By being only one cell layer thick
Which cellular component is a typical responder to parasitic worm infections?
Mast cells
What is the role of sebaceous glands in skin health?
Help keep skin pliable and less likely to break or tear
Test your knowledge on the physical barriers, chemicals, and cellular components of the innate immune system, as well as the hierarchy of defenses including non-specific and specific mechanisms. Explore the concepts of first line of defense and innate immunity in this quiz.
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