5 Written questions
5 Matching questions
- ________ cells are the only T lymphocytes that can directly attack and kill other cells.
- The process of attaching complement proteins to the bacterial cell wall to enhance phagocytosis is called ______.
- A patient has contracted the hepatitis C virus. Which of the following drug therapies might be affective?
- T OR F: The mechanism of the "lethal hit" of cytotoxic T cells and NK cells involves a protein called perforin.
- Cancer cells and virus-infected body cells can be killed before activation of adaptive immunity by
- a opsonization
- b TRUE
- c Cytotoxic T cells
- d natural killer cells
- e Interferon
5 Multiple choice questions
- CLASS II MHC MOLECULES APPEAR ONLY ON THE SURFACE OF ANTIGEN-PRESENTING CELLS, THYMIC CELLS, AND T CELLS THAT HAVE BEEN ACTIVATED BY EXPOSURE TO ANTIGENS;
Class 1 MHC molecules are built into the plasma membranes of all body cells;
Haptens lack immunogenicity unless attached to protein carriers;
MHC proteins are the cell's identity markers.
- antigen-presenting cells
5 True/False questions
___________ immunity protects a baby who is fed breast milk. → Natural passive
Regulatory T cells ________. → may function in preventing autoimmune reactions
Natural killer (NK) cells ________. → include allergic contact dermatitis
Which statement is true about T cells? → processed fragments of protein antigens displayed on surfaces of body cells
Antibody functions include all of the following except ________. → CROSS-LINKING CELL-BOUND ANTIGENS ON RED BLOOD CELLS WHEN BLOOD TYPES ARE PROPERLY MATCHED;
targeting foreign cells so that complement proteins can cause cellular lysis;
binding and inactivating chemical toxins released by bacteria or other microorganisms;
linking soluble antigens together so that they fall out of solution