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