Chapter 14: Innate immune response Flashcards
is the interior of the body(blood, muscles, bones& organs) generally sterile?
yes
what is innate immunity? what does it involve?
routine protection, involves pattern recognition
What are antigens?
substance that causes response
what do antibodies attach to, targeting for destruction?
antigens
a drawback of adaptive immunity is it can _______ host cells.
destroy
what are all exposed surfaces lined with?
epithelium
the outside of the body is lined with _________& the inside is lined with_______.
skin; mucous membranes
what are the 2 physical barriers of the outside of the skin that help protect against disease and infections?
dermis &epidermis
what breaks down glycan chains of peptidoglycan?
lysozyme
what uses hydrogen peroxide to oxidize?
peroxidase enzymes
what do microbes need to reproduce?
iron
what binds iron?
Lactoferrin
what forms pores in microbial membranes?
defensins
What produces acid fermentation, lowering the pH?
Lactobacillus
where is clostridium difficile located?
intestine