Innate Immunity Flashcards

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INNATE IMMUNE SYSTEM
WIKIBLOOD FLASHCARDS


Actions and Tools of the Innate Immune System

Question Answer Article
True or False: The innate immune system responds quicker to infection than the adaptive immune system
  • True
Link to Answer Article
Pathogen-associated molecular patterns (PAMPs) are expressed by which type of cells?
  • Lipopolysaccharides or Gram Negative bacteria
  • Peptidoglycans of gram-positive bacteria
  • Mannose sugars
  • D-isoform amino acids
Link to Answer Article
What recognises PAMPs?
  • Pattern recognition receptors (PRRs)
Link to Answer Article
Where in the cell are Toll-Like Receptors (TLRs) located?
  • Cell membrane
Link to Answer Article
Where in the cell are NOD2 receptors located?
  • Cell cytoplasm
Link to Answer Article
Which catabolic enzymes digest microbes after phagocytosis?
  • Glycosidases
  • Lipases
  • Proteases
Link to Answer Article
True or False: Lysosomes do not use energy when they kill microbes
  • False
  • Lysosomes fuse with phagosomes, killing microbes in an energy-dependent way
Link to Answer Article
Name two physical barriers of the innate immune system
  • Skin
  • Mucous membranes
Link to Answer Article
Name 3 biochemical barriers of the innate immune system
  • Lactic and fatty acids
  • Enzymes
  • Mucous
Link to Answer Article
What is the function of commensal organisms?
  • Produce natural antibiotics
  • Outcompete pathogens at epithelial and mucosal surfaces
Link to Answer Article
Complete the sentence about commensal organisms When commensals are disturbed, infection with opportunistic organisms is increased Link to Answer Article
Name the three main humoral factors and their principal action
  • Lysozyme
  • Digests bacterial cell walls
  • Complement
  • Promotes phagocytosis or lysis of invading organisms
  • Interferons
  • Make uninfected cells resistant to infection
Link to Answer Article
Which granulocytes are components of the innate immune response to infection?
  • Neutrophils
  • Eosinophils
  • Basophils/mast cells
Link to Answer Article
Which other cells are components of the innate immune response to infection?
  • Monocytes
  • Tissue mast cells
  • Macrophages
Link to Answer Article


Innate Immunity to Viruses

Question Answer Article
True or False: The innate immune system responds quicker to infection than the adaptive immune system
  • True
Link to Answer Article


Innate Immunity to Bacteria

Question Answer Article
True or False: The innate immune system responds quicker to infection than the adaptive immune system
  • True
Link to Answer Article