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33 Cards in this Set
- Front
- Back
Which of the following cells is responsible for presenting the antigen to the immune cells dring clonal selection? |
Antigen-processing cells
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Both B an T cells are originally derived from cells of the
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Bone marrow
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A 3 year old male is diagnosed with autoimmune induced type 1 diabetes. Which of the following therapies may help prevent worsening of the disease?
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Oral administration of self antigens
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A 6 year old female is diagnosed with a bacteril infection of the respiratory system. Which of the following will most likely be trying to fight the antigen
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Antibodies
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The immunoglobulin that crosses the placenta confers________ immunity to the fetus
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Passive acquired
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A 16 year old male is bitten by a rapid dog while jogging in the park. Upn admission to the ER, he is given ___________ to prevent infection
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Immunoglobulins
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molecule is isolated from the human body and studied. It is found to react with antibodies on B cells Further testing reveals that the molecule is large and chemically diverse. Which of the following would best describe the molecule
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Antigen
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Which of the following characteristics increases an antigen's ability to be immunogenic
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Combining with carrier molecules
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IF a person is given antigen Xand is latter given antigen Y, a _________ response to antigen Y will result
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Determinant
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The most abundant class of antibody in the serum is
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IgG
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The predominat antibody of a typical primary immune response is
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IgM
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The primary role of secretory IgA is to prevent infections in
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mucous membranes
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A 23 year old pregnant female visits her physician for her final prenatal checkup. The physician determines that the fetuw has developed an infection in utero. Which of the following would be increased in the fetus at birth
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IgM
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Which portion of the antibody is responsible for activating the inflammatory systems
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Fc portion
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An experiment is carried out to characterize newly discovered immunoglobulins. Specificity of the immunoglobulin could be determined by studying the
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Complementary determining region
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A 20 year old female is applying for nursing school and is required to be tested for immunity against several illnesses. Testing that looks at which of the following would be the best to determine immunity
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Titer
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A 10 year old male is stung by a bee while playing in the yard. He experiences a severe allergic reaction and has to go to the ER. This reaction is the result of
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IgE
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A 25 year old female has sexual relations with her boyfriend.Later she told that the boyfriend is infected with Neisseria gonorrheae. Testing reveals that she does not have the dissease. How is it possible that she did not contract the dissease
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Antibodies covered sites of attachment
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Which of the following characteristics is shared by both the secretory and systemic immune systems
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Neutralization following antigen antibody binding
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At 12 month well baby visit the mother reports that the child has never been ill. She proudly reports that the baby was breastfed since birth. The nurse tells her that breastfeeding is beneficial because the dominatn antibody in breast milk acts by functioning as an antigen receptor
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in mucosal membranes
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Pure monoclonal antibodies are produced by
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Laboratories
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An experiment is designed to determine specific cell types involved in cell mediated immune response. The experimenter is interested in finding cells that attack cells that have specific antigens. Which cells should be isolated
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Cytotoxic T cells
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Histocompatibility antigens help the immune system
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distinguish self from nonself
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A 20 year old female has been diagnosed with AIDS. Laboratory testing would reveal diminished levels of
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Helper T cells
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Which of the following is not secondary lymph organ
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Liver
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After exposure to a specific antigen B cells differentiate into
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Plasma cells
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A macrophage was isolated and analyze for major histocompatibility complex. Which of the following would be expected
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MHC1 and 2
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A cell that is produced in the thymus and interacts with MHC 2 molecules would have which of the following surface proteins
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CD4
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A patient is diagnosed with cancer. Which of the following cells would be produced in the greatest number
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TH1
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A young male patient becomes severly ill following lunch at the local hamburger stand. He experiences fever, vomiting and diarrhea. Testing at the restaurant reveals that he ate food contaminated by Strptococcus pyogenes. Which of the following would be expected to accompany his illness
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Binding without antigen recognition
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A 6 month old infant is brought to the pediatrician for recurrent colds. The child is fed formula and the other family members have not been ill. The physician tells the mother that the child's immune system is not yet competent but will be about 60% of an adult system around age
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12 months
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Increased age is associated with
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increased hypersensitivity reponses
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A 5 month old child is admitted to the hospital with recurring repiratory infections. A possible cause of this condition is
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immune insufficiency
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