BIOLOGY
12th Edition
ISBN: 9781260169614
Author: Raven
Publisher: RENT MCG
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Textbook Question
Chapter 50, Problem 6U
Diseases in which the person’s immune system no longer recognizes its own MHC proteins are called
a. allergies.
b. autoimmune diseases.
c. immediate hypersensitivity.
d. delayed hypersensitivity.
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Students have asked these similar questions
interferons:
a. cause inflammation
b. inhibit viral infection
c. aid in phagocytosis
d. decrease the body temperature
Which of the following statements is true?
A. Hypersensitivity requires previous exposure to an antigen
B. Hypersensitivity is due to the presence of a virus.
C. Hypersensitivity occurs in the absence of an antigen.
D. Hypersensitivity is synonymous with the term " infection".
E. Hypersensitivity occurs when an individual is exposed to an allergen for the first time.
Contact dermatitis:
A. is antibody mediated
B. is both a type I hypersensitivity reaction and is cell mediated
C. is a type I hypersensitivity reaction
D. is cell mediated
Chapter 50 Solutions
BIOLOGY
Ch. 50.1 - Prob. 1LOCh. 50.1 - Prob. 2LOCh. 50.1 - Prob. 3LOCh. 50.2 - Prob. 1LOCh. 50.2 - Prob. 2LOCh. 50.2 - Prob. 3LOCh. 50.3 - Prob. 1LOCh. 50.3 - Prob. 2LOCh. 50.4 - Explain how antibody diversity is generated.Ch. 50.4 - Prob. 2LO
Ch. 50.4 - Prob. 3LOCh. 50.5 - Define autoimmune diseases.Ch. 50.5 - Prob. 2LOCh. 50.6 - Explain antigenantibody reactions in the ABO blood...Ch. 50.6 - Prob. 2LOCh. 50.6 - Prob. 3LOCh. 50.7 - Prob. 1LOCh. 50.7 - Prob. 2LOCh. 50 - How would a high level of HCG present in a urine...Ch. 50 - What would happen if an NK cell killed a virally...Ch. 50 - Prob. 2IQCh. 50 - Prob. 3IQCh. 50 - Prob. 4IQCh. 50 - Cells that target and kill body cells infected by...Ch. 50 - Structures on invading cells recognized by the...Ch. 50 - Which one of the following acts as the alarm...Ch. 50 - Prob. 4UCh. 50 - Receptors that trigger innate immune responses a....Ch. 50 - Diseases in which the persons immune system no...Ch. 50 - Suppose that a new disease is discovered that...Ch. 50 - You start a new job in a research lab. The lab...Ch. 50 - In comparing T-cell receptors and immunoglobulins...Ch. 50 - If you have type AB blood, which of the following...Ch. 50 - Suppose that you get a paper cut while studying....Ch. 50 - If you wanted to cure allergies by bioengineering...Ch. 50 - Why do we need to be repeatedly vaccinated for...Ch. 50 - Prob. 7ACh. 50 - Suppose you take a job in the marketing department...Ch. 50 - Prob. 2SCh. 50 - Prob. 3SCh. 50 - Toll-like receptors have been found in a wide...
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- Which of the following statements best characterizes interferons? A. Interferons are a nonspecific defense used to respond to viruses. B. Interferons are part of the humoral immune response against viruses. C. Interferons are part of the humoral immune response against bacteria. D. Interferons are a nonspecific defense used to respond to bacteria.arrow_forwardAll of the following are functions of antibodies except a. neutralization of pathogen. b. destruction of antigen. c. agglutination of antigen. d. opsonization.arrow_forwardCHAPTER 20 The Lymphatic System and Immunity Matching SECTION 3 Revie w Match each lettered term with the most closely related description. a. opsonization 1 b. helper T cells Two parallel pairs of polypeptide chains Found on helper T cells C. antibody d. class II MHC 3 Active and passive 4 Transfer of antibodies e. costimulation Attacked by HIV f. IgM 6 Enhances phagocytosis g. class I MHC h. IgG 7 MHC proteins present in the plasma membranes of all nucleated cells i. passive immunity j. anaphylaxis 8 Differentiate into memory and plasma cells 9 MHC proteins present in the plasma membranes of all APCS and lymphocytes 9 k. CD4 markers 10 I. acquired immunity 10 Antibodies used to determine blood type 11 m. B lymphocytes 11 Secondary binding process required for T cell activation 12 12 Accounts for 80 percent of all immunoglobulins 13 13 Circulating allergen stimulates mast cells throughout body Match each lettered term with thearrow_forward
- An essential property of the immune system is self-regulation. An immune response that is not adequate can lead to immunodeficiency, whereas an immune response that is excessive can lead to conditions from allergic responses to autoimmune diseases. Which of these is not an example of a breakdown of the self-regulation of the immune system?a. Multiple sclerosisb. Huntington diseasec. Systemic lupusd. Fibromylagiaarrow_forwardWhich of the following is both a phagocyte and an antigen-presenting cell? a. NK cell b. eosinophil c. neutrophil d. macrophagearrow_forwardAn antigen must be considered: a. An antibody b. To produce cytokines c. Foreign d. A T lymphocytearrow_forward
- A deficiency of both B cells and T cells is most likely a(n) a. secondary immunodeficiency b. complex immunodeficiency c. acquired immunodeficiency d. primary immunodeficiency e. induced immunodeficiencyarrow_forwardWhich of the following is part of the second line of defense against pathogens?a. skin b. mucus membranesc. lysozyme in tears d. phagocytes Which of the following does NOT have MHC class II molecules on the surface of their cell membranes? a. Macrophages.b. Dendritic cells.c. B cells.d. Helper T cells.arrow_forwardwhich two of following statements are true for an antigen prsent cell such as dendritic cell? a. Phagocytes are extra cellular pathogens b. Display processed pathoic peptide on the surface of the cell c. Produce antibodies specific for a pathogen d. Activate naive erythrocytesarrow_forward
- Immunopathology is the study of disease states or immune dysfunctions, which are divided into two categories:______diswase(l.e.,allergy) or diseases associated with ______(l.e., AIDS). a. Hypersensitivity; immunodeficiency b. Immunocompetence; hypersensitivity c. Hyposensitivity ; immunocompetence d. hyposensitivity; hypersensitivityarrow_forwardType of specific resistance that has been introduced to the body is already antibodies that provide immediate protection against microorganism. Choose the correct answer: A. Natural immunity B. Active immunization C. Acquired immunity D. Passive immunizationarrow_forwardMonoclonal antibodies recognize a single: a. Antigen b. Bacterium c. Epitope d. B cell e. Virusarrow_forward
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