Human Biology: Concepts and Current Issues (8th Edition)
8th Edition
ISBN: 9780134042435
Author: Michael D. Johnson
Publisher: PEARSON
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Chapter 9, Problem 12TY
Summary Introduction
Introduction:
Immunity is defined as the overall capability of an organism to protect itself from any foreign agent. It can be divided into innate and acquired immunity. Innate immunity consists of nonspecific, physical barriers that prevent foreign agents to enter the body. Examples are nasal hair, mucus lining on the epithelium of urogenital tract, respiratory tract, the acid in stomach etc. Acquired immunity consists of humoral immunity (antigen-mediated) and cell-mediated immunity (T-lymphocyte mediated). Acquired or adaptive immunity can be subdivided into naturally and artificially acquired both of which are further divided into active and passive immunity.
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Immunoglobins help eliminate the pathogen through the process of:
A. Release of hydrolytic enzymes on the pathogen
B. Agglutination and precipitation
C. Direct phagocytosis
D. Activating platelets
i) True or False : Antibodies attach firmly to an antigenic determinant called an epitope.ii) True or False: Band T-cells are the components of the adaptive immune system.iii) True or False: Swelling, redness, and pain of the injured part are due to inflammation of the injured tissue.iv) True or False: Insertion of complement proteins C7, C8, and C9 into the cell membrane of the pathogen is due to the Amphipathic nature of these proteins.v) True or False: During inflammation cells from the adaptive immune systems are mainly recruited towards the site of infection.vi) True or False: Cytokines are released by Macrophages for the killing of the Ag directly.vii) True or False: Macrophages always mature into monocytes at the site of infection.viii) True or False: All components of the Complement systems remain active in the body all the time.ix) True or False: All the factors of the complement system remain active except factor-D due to its substrate specificity for factor-B, bound to…
I. Attach to mast cells and are involved in allergic reactions.
II. The first antibodies to be produced in response to infection.
II. Primarily found in glandular secretions.
IV. Found on the surface of B lymphocytes.
V. Comprises 75% of antibodies in adult blood.
What is the correct order of above definitions?
A) IgE, IgM, IgA, IgD, IgG.
B) IgD, IgM, IgA, IgE, IgG.
C) IgE, IgG, IgA, IgD, IgM.
D) IgA, IgM, IgE, IgD, IgG.
Chapter 9 Solutions
Human Biology: Concepts and Current Issues (8th Edition)
Ch. 9 - Prob. 1QCCh. 9 - Prob. 2QCCh. 9 - Define the term pathogen and give some examples.Ch. 9 - Prob. 2CRCh. 9 - Prob. 3CRCh. 9 - Prob. 4CRCh. 9 - Prob. 5CRCh. 9 - Describe in general terms the distinction between...Ch. 9 - Describe the concept of an antigen and how it...Ch. 9 - Prob. 8CR
Ch. 9 - Prob. 9CRCh. 9 - Prob. 10CRCh. 9 - Prob. 1TYCh. 9 - Prob. 2TYCh. 9 - Prob. 3TYCh. 9 - Prob. 4TYCh. 9 - Prob. 5TYCh. 9 -
6. Which of the following is a benefit of...Ch. 9 - Prob. 7TYCh. 9 -
8. The following are steps in phagocytosis: (1)...Ch. 9 - Prob. 9TYCh. 9 - Prob. 10TYCh. 9 - Prob. 11TYCh. 9 - Prob. 12TYCh. 9 - Which of the following increases the likelihood of...Ch. 9 - Which of the following does not belong with the...Ch. 9 - Which of the following statements about HIV is...Ch. 9 - Prob. 1AWKCh. 9 - Prob. 2AWKCh. 9 -
3. Everyone knows that bacteria can cause...Ch. 9 - Prob. 4AWKCh. 9 - Prob. 5AWKCh. 9 - Why is it that most people get the chicken pox...Ch. 9 - The immune system is supposed to defend us from...
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