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Mico#13
| Question | Answer |
|---|---|
| What are an antigens? | An antigen is any agent that can bind specifically to components of the immune system. Proteins, carbohydrates, lipids, and nucleic acids can all be antigens under certain circumstances. |
| what are the smallest part of an antigen molecule capable to bind with an antibody. | Epitopes |
| Self-antigens are coded by a group of genes located on chromosome ____ and form the MHC (major histocompatibility complex). | six |
| An antibody is | a protein produced by plasma cells. |
| The antibody found in body secretions is | IgA |
| Which of the following cell types secretes antibodies? | Plasma cells |
| Which of the following provide defense against viral infections? | Interferons |
| Which of the following cells is a granulocyte | Basophil |
| Immunity that is a result of an actual infection is called | naturally acquired active immunity |
| A substance capable of raising the body temperature is | pyrogen |
| When an organ or tissue is transplanted between genetically different individuals it is called | allograft |
| Which of the following blood types cannot receive a blood transfusion from type O blood type? | All blood types can |
| Which of the following is a systemic autoimmune disease? | Rheumatoid arthritis |
| What are parts of the second line of defense? | Cytokines, Phagocytosis, Fever |
| Cells infected with a virus produce glycoproteins that interfere with viral replication and impede its spread; these glycoproteins are called | interferons. |
| The first line of defense that prevents microbes from entering the body includes | skin |
| T cells (T lymphocytes) are divided into four categories | Killer T cells, helper T cells, suppressor T cells, memory T cells |
| a pentamer and the largest of the immunoglobulins is | IgM |
| The category of immunoglobulins that can also be found in colostrum and mother’s milk is | IgA |
| GALT is an example of a collection of lymphatic nodules in the | small intestine |
| Which of the following organs breaks down worn-out red blood cells? | spleen |
| Enzymes that attack the peptidoglycan layer of bacteria and are present in perspiration, nasal secretions, saliva, and tears are __________. lysozyme | lysozyme |
| Delayed hypersensitivity is a result of | cell-mediated immune reaction |
| B cells are responsible for __________-mediated immunity | antibodies |
| Substances that stimulate the production of antibodies are called | immunogens |
| The category of immunoglobulins that is implicated in allergic reactions is | IgE |
| The body’s decreased ability to fight infections is called __________. | immunosuppression |
| Granulocytes are subdivided into three groups | basophils, eosinophils, neutrophils |
| Large, circulating phagocytic agranulocytes that develop into macrophages as they leave the blood vessels are called __________. | monocytes |
| A(n) __________ is a strong immune response to a substance that is usually not harmful to the body but causes hypersensitivity reactions. | allergy |
| what occurs when the immune system is unable to distinguish between self- and nonself-antigens and attacks the cells of the body | Autoimmunity |
| Monomer bound to surface of B cells | IgD |
| Pentamer | this is the IgM |
| Found in tears, saliva | this is the IgA |
| Can cross the placenta | this is IgG |
| Allergic reactions | this is IgE |
Created by:
rosalyngreen