Question | Answer |
Which of the following actually kills invading microbes? | intestinal enzymes stomach acid lysozymes |
The inflammatory response includes all of the symptoms except | vessel constriction |
The secretion of antibodies by lymphocyte B cells provides | humoral immunity |
The immunoglobulin found in a mother's milk is | IgA |
Erythroblastosis fetalis can result if | The Rh- mother is sensitized to the Rh+ antigen and the baby is Rh+ |
AIDS is such a deadly disease because the AIDS virus attacks and destroys | CD4+ T cells |
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Which of the following are autoimmune diseases | Hashimoto's thyroids and systemic lupus erythemotusus |
The proteins secreted by plasma cells are called | antibodies |
A person with anti-A and anti-B antibodies in their blood has what blood type? | type O |
Precursors of macrophages are called | monocytes |
The immune response is terminated or decreased by | suppressor T cells |
Which type of T cell lyses cells that have been infected with viruses? | cytotoxic T cells |
When a B cell encounters antigen to which it is targeted, it divides rapidly and produces | plasma cells |
All of the following cells are phagocytic except for | lymphocytes |
Your body has millions of different antibodies for detecting millions of different antigens because | antibody genes undergo somatic rearrangement and somatic mutation |
Helper T cells and inducer T cells are also called _______________ cells because of the coreceptor they both have. | CD4+ T |
Which type of surface marker is present on every nucleated cell in your body? | MHC-I |
MHC proteins are also called | HLA |
Activated helper T cells release regulatory molecules called | lymphokines |
Memory cells | provide an accelerated immune response upon second exposure to a particular antigen |
What holds together the four polypeptide chains of an antibody? | light chains |
Of the five classes of antibody heavy chains, which one's function is still partially unclear? | IgD |
Diseases in which a person's immune system attacks the person's own normal tissue are called | autoimmune diseases |
The cells that you see when you look at your skin were produced in the | stratum basale |
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Cytotoxic T cells are called into action by the: | decrease in the number of antibodies |
Complement and antibody are similar in that both: | may make bacteria more attractive to phagocytes. |
The AIDS virus: | may become dormant in cells. |
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Which cell is correctly matched with its secretion or function? | mast cells - histamine |
All of the following are part of our antigen specific defense mechanisms except: | acute inflammation |
Echinoderms have immune systems similar to bony fish in that they possess T and B lymphocytes | False |
Immunoglobulins have two light chains and two heavy chains. | True |
IgE is an interleukin involved in allergies. | False |
T cytotoxic cells produce cytokinins which cause the lysis of other target cells. | False |
Hemolytic disease of the newborn typically results from immunization of an RH- mother with Rh+ blood from her first pregnancy, the antibodies reacting against the fetus in a later pregnancy. | True |