Exam 37: Immunity

Antigen receptors are capable of producing large diversity due to the fact that there are __________ cassettes (versions) of each __________.

Innate immunity is

-The above figure represents

An individual is exposed to a pathogen and takes five days to recover.When exposed a year later they again take five days to recover.Would you suspect that adaptive immunity was involved?

Which of the following is NOT involved in self versus nonself recognition?

The first response in adaptive immunity is

Classification.Respond to the following statements with reference to the five types of white cells listed below. a.macrophages b.helper T cells c.B cells d.cytotoxic T cells e.natural killer cells -These cells kill tumor cells but are not B or T lymphocytes.

MATCHING Matching.Match each term with the most appropriate statement. a.cells that do not divide, die in less than a week, and secrete antibodies b.cells that directly destroy body cells already infected by viral or fungal parasites, as well as mutant and cancerous cells c.lymphocytes that are held in reserve, circulate in the bloodstream, and enable a rapid response to subsequent encounters with the same invader d.able to lyse cells by forming pore complexes e.cells that are produced in the bone marrow, are never changed by the thymus, and manufacture antibodies f.able to destroy cells but not dependent on recognition of antigen-MHC complexes g.a class of proteins that help cells of the immune system communicate h."big eaters" that alert other lymphocytes to the invasion of specific antigens i.immature cells that may or may not be committed to develop into one of several mature cell types j. a group of cells that are all produced asexually from one original parent cell k.surface patterns of nonself molecules or particles l. proteins released by cytotoxic T cells to destroy target cell membranes m. preparation injected into the body to elicit a primary immune response n. one of this group has been identified as the causative agent of AIDS -stem cells

Research on HIV vaccines is progressing, but success to date has been limited to vaccines that are of limited effectiveness against a few strains of the HIV virus.However, flu vaccines are similar in their limitations.Why are 'limited effectiveness' flu vaccines released, but not HIV vaccines?

-Histamine

MATCHING Matching.Match each term with the most appropriate statement. a.cells that do not divide, die in less than a week, and secrete antibodies b.cells that directly destroy body cells already infected by viral or fungal parasites, as well as mutant and cancerous cells c.lymphocytes that are held in reserve, circulate in the bloodstream, and enable a rapid response to subsequent encounters with the same invader d.able to lyse cells by forming pore complexes e.cells that are produced in the bone marrow, are never changed by the thymus, and manufacture antibodies f.able to destroy cells but not dependent on recognition of antigen-MHC complexes g.a class of proteins that help cells of the immune system communicate h."big eaters" that alert other lymphocytes to the invasion of specific antigens i.immature cells that may or may not be committed to develop into one of several mature cell types j. a group of cells that are all produced asexually from one original parent cell k.surface patterns of nonself molecules or particles l. proteins released by cytotoxic T cells to destroy target cell membranes m. preparation injected into the body to elicit a primary immune response n. one of this group has been identified as the causative agent of AIDS -perforin

__________ fights infection by increasing the metabolic rate.

Most organ transplants fail because

Which antibody is most commonly associated with an allergic reaction?

MATCHING Matching.Match each term with the most appropriate statement. a.cells that do not divide, die in less than a week, and secrete antibodies b.cells that directly destroy body cells already infected by viral or fungal parasites, as well as mutant and cancerous cells c.lymphocytes that are held in reserve, circulate in the bloodstream, and enable a rapid response to subsequent encounters with the same invader d.able to lyse cells by forming pore complexes e.cells that are produced in the bone marrow, are never changed by the thymus, and manufacture antibodies f.able to destroy cells but not dependent on recognition of antigen-MHC complexes g.a class of proteins that help cells of the immune system communicate h."big eaters" that alert other lymphocytes to the invasion of specific antigens i.immature cells that may or may not be committed to develop into one of several mature cell types j. a group of cells that are all produced asexually from one original parent cell k.surface patterns of nonself molecules or particles l. proteins released by cytotoxic T cells to destroy target cell membranes m. preparation injected into the body to elicit a primary immune response n. one of this group has been identified as the causative agent of AIDS -complement proteins

An antigen-bearing pathogen that breaches surface barriers triggers __________ immunity.

__________ refers to processes designed to induce immunity.

Classification.Respond to the following statements in reference to the five items listed below. a.antigens b.antibodies c.helper T cells d.cytotoxic T cells e.effector B cells -An Rh+ molecule in the body of an Rh woman is an example of these.

Cervical cancer

Classification.Respond to the following statements in reference to the five items listed below. a.antigens b.antibodies c.helper T cells d.cytotoxic T cells e.effector B cells -These bind, as in a lock-and-key mechanism, to foreign proteins.