Maternal antibodies transmitted via the placenta: A. are an example of natural passive immunity B. are an example of natural active immunity C. are IgG antibodies D. both are IgG antibodies and are an example of natural active immunity E. both are IgG antibodies and are an example of natural passive immunity

Maternal antibodies transmitted via the placenta: A. are an example of natural passive immunity B. are an example of natural active immunity C. are IgG antibodies D. both are IgG antibodies and are an example of natural active immunity E. both are IgG antibodies and are an example of natural passive immunity

Body Structures & Functions

12th Edition

ISBN:9781285695495

Author:Scott

Publisher:Scott

Chapter15: The Lymphatic And Immune Systems

Section: Chapter Questions

Problem 1M

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Which of the following is not a part of innate immunity? a. phagocytic cells e. inflammation b. fever f. complement activation c. histamines g. presenting antigen d. cytokines h. all take part
Match the immunity concept with the best description. ___anaphylactic shock a. recognizes antigen ___immune memory b. inadequate immune response ___autoimmunity c general defense mechanism ___inflammation d. immune response against ones own body ___immune deficiency e. secondary response ___antigen receptor f. acute allergic reaction ___antigen processing g. presenting antigen together with MHC markers
Which of these statements about the Fab portion of antibodies is true? a.It binds to antigens. b.Its amino acid sequences are variable. c. It consists of both H and L chains. d. All of these are true.
Which of the following does not occur during a secondary immuneresponse?a. Antibodies are made quickly and in great amounts.b. Antibody production lasts longer than in a primary response.c. Clonal selection occurs for B cells.d. All of these are correct.
Which of the following statements is NOT true of a fever?a. Temperature is regulated by chemicals that reset the body's thermostat to a higher setting.b. The higher than normal body temperature impairs the functions of some bacteria.c. The higher than normal body temperature is always harmful.d. The higher temperature impairs leukocytes andantibody production.e. Both c and d. Which of the following statements is NOT true of antibodies?a. They bind to foreign antigens, making them susceptible to being engulfed by phagocytes.b. They serve as specific binding sites on B cells.c. An antibody is usually able to bind to a variety of different types of antigensd. They are composed of two heavy chains and two light chains.
D-negative individuals generate an immune response when they are exposed to the Rh-D antigen. However, incompatibility in the ABO blood group system occurs naturally in the absence pf exposure to the A or B antigen in the blood from another individual. Why do individuals produce an immune response the first time they encounter the A or B antigen as an adult?
Compare and contrast live attenuated vaccines, inactivatedvaccines, and toxoids. Which of these has the greatest potentialto cause active disease in the recipient? Which typically providesthe longest-lasting immunity?
Antibodies against a specific antigen can be injected into a person to provide passive immunity. For which reason is this NOT as effective as the process of vaccination with that antigen? Select one: a. Injection of antibodies may cause allergic reactions, while vaccination never causes allergic reactions. b. Injection of antibodies does not provide long-lasting immunity, and vaccination with antigens triggers a clonal selection of B cells and cytotoxic T cells. c. Vaccination with antigens triggers a clonal selection of B cells and cytotoxic T cells. d. Injection of antibodies does not provide long-lasting immunity. e. Injection of antibodies does not provide long-lasting immunity and may cause allergic reactions, while vaccination never causes allergic reactions.
a. Define epitope; compare polyclonal antibodies to monoclonal antibodies. b. Describe an immunoassay (and the steps involved) in which you could detect the presence of a particular antigen. c. Describe an immunoassay (and the steps involved) in which you could detect the presence of a particular antibody.
You have a patient with abnormally high IgE antibodies. What are two scenarios that might lead to a high level of IgE antibodies? How would you find out which scenario is causing the increase in IgE?
Differentiate the following and give examples of each:(a) Innate and acquired immunity (b) Active and passive immunity
. A) What is the significance of producing monoclonal antibodies? B) What is the role of cell culture in production of monoclonal antibodies? C) Name and briefly explain the use of any 4 commercially available monoclonal antibodies.