shit i need to learn 1

• What is cell mediated immunity?

  T-cells
• What produce antibodies?

  B-cells
• Where is IgD found?

  Surface of b cells
• What do plasma cells produce?

  antibodies for antigen that was attatched to IgD
• What does IgE do?

  trigger allergies, binds to most cells to release histamine
• What does IgE fight?

  parasitic worms
• What is the most abundant antibody?

  IgG
• What is the most common antibody for fighting infection?

  IgG
• What antibody is passed to the fetus?

  IgG
• What is opsonization?

  binding of antibodies to pathogen surface
• Does IgA not change within the body?

  Yes
• Is IgA a monomer?

  Yes
• Cam IgA form a dimer?

  Yes, usually found in secretions of the body. Half life is usually 6 days
• Where does igA line?

  Mucosal surfaces, tears, breast milk
• What does igM do?

  prevent attachment of pathogens to host cells
• What forms is IgM found in?

  Pentamer (most common)

  Monomer
• What does IgG treat?

  Secondary and tertiary infcetions
• What antibody is the first at a primary infcetion?

  IgM
• What causes swollen lymph nodes?

  igM
• What recognize anitgens?

  B cells
• What do plasma cells do?

  Produce antibodies
• What do memory cells do?

  Remember immune responses, at peak of infection
• In the first response, what antibody is produced first?

  IgM, then IgG
• What is the human leukocyte antigen?

  HLA, antigen presenting cells help to fight an infection
• What is MHCI?

  glycoprotein found on most unnucleated cells
• What happens to MHC1 when a cytotoxic tcell is bound to the surface?

  cell dies
• Where is MHC2 found?


  dendritic cells (DCs), B cells and macrophages
• What happens when a helper t cell binds to MHC2?

  activates antibody response
• What is a CD4 cell?

  immature t cell
• What does CH4 (Tn) induce?

  first to bind to active site and induce antibody activation
• What is a CD8 cell (tc)?

  cytotoxic cell
• What happens to CD8 (tc)

  damages the celll membrane, causes osmotic shock
• What is the peak time for a culture to be collected?

  Acute Phase
• What do you avoid when entering an infection wound?

  normal flora
• What is important once you have a test result?

  Compare it with the normal diagnosis
• Is the incubation period the same for all pathogens?

  No
• When is the amount of pathogen the lowest?

  Incubation
• What is parenteral entry?

  Puncture, bite
• Minumum infectious dose?

  Lowest concentration of a pathogen that can cause infection
• Whihc lack mitochondrea?

  neutrophils