BIOLOGY:THE ESSENTIALS (LL) W/CONNECT
3rd Edition
ISBN: 9781260670929
Author: Hoefnagels
Publisher: MCG CUSTOM
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Chapter 29, Problem 8MCQ
Summary Introduction
Introduction:
The body contains a well-defined system to protect itself from infections and harmful agents. This system is known as the immunity system. Any infection or injury generates a response in the body. Immune system has the ability to store and retrieve the responses about the past pathogens and infections. There are two types of responses primary and secondary immune responses.
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Chapter 29 Solutions
BIOLOGY:THE ESSENTIALS (LL) W/CONNECT
Ch. 29.1 - List the cell types that participate in the bodys...Ch. 29.1 - Prob. 2MCCh. 29.1 - Prob. 3MCCh. 29.1 - Prob. 4MCCh. 29.2 - Prob. 1MCCh. 29.2 - Describe the external barriers to infection.Ch. 29.2 - Prob. 3MCCh. 29.2 - Prob. 4MCCh. 29.2 - Prob. 5MCCh. 29.3 - Prob. 1MC
Ch. 29.3 - Prob. 2MCCh. 29.3 - Prob. 3MCCh. 29.3 - Prob. 4MCCh. 29.3 - Prob. 5MCCh. 29.4 - What is a vaccine?Ch. 29.4 - Prob. 2MCCh. 29.4 - Prob. 3MCCh. 29.5 - Prob. 1MCCh. 29.5 - Prob. 2MCCh. 29.5 - Prob. 3MCCh. 29 - Prob. 1MCQCh. 29 - Prob. 2MCQCh. 29 - Prob. 3MCQCh. 29 - Prob. 4MCQCh. 29 - Prob. 5MCQCh. 29 - Prob. 6MCQCh. 29 - During the humoral immune response, a. B cells...Ch. 29 - Prob. 8MCQCh. 29 - How do vaccines prevent infectious disease? a. By...Ch. 29 - Prob. 10MCQCh. 29 - Prob. 1WIOCh. 29 - Explain why a scraped knee increases the chance...Ch. 29 - Prob. 3WIOCh. 29 - Prob. 4WIOCh. 29 - Prob. 5WIOCh. 29 - Briefly explain the function of each innate and...Ch. 29 - What do a plasma cell and a memory cell descended...Ch. 29 - Prob. 8WIOCh. 29 - Prob. 9WIOCh. 29 - Prob. 10WIOCh. 29 - Prob. 11WIOCh. 29 - Prob. 12WIOCh. 29 - Prob. 13WIOCh. 29 - Prob. 14WIOCh. 29 - Prob. 1SLCh. 29 - Review the survey the Landscape figure in the...Ch. 29 - Add memory B cells, plasma cells, memory cytotoxic...Ch. 29 - Prob. 3PITCh. 29 - Prob. 4PIT
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- Which event happens first during cytotoxic T-cell activation? a. Cytotoxic T cells secrete perforin and granzyme. b. Cytotoxic T cells recognize foreign antigen presented on the surface of a MHC I molecule. c. Cytotoxic T cells proliferate to form many new cells specific for the same antigen d. Cytotoxic T cells recognize foreign antigen presented on the surface of a TCR.arrow_forwardExplain why each choice (a-d) is correct or incorrect. Which statement is true about T cells? a. They usually directly recognize antigens, which then activates a subpopulation of killer cells b. Their proliferation is enhanced by interleukins 1 and 2. c. Once activated, they cannot secrete cytokines. d. They will develop into cytotoxic T cells if antigen is complexed with class II MHC proteins.arrow_forwardWhich type of cell actually secretes antibodies?a. T cell b. macrophage c. plasma cell d. monocytearrow_forward
- Select the correct one. In antibody-mediated immunity, what happens immediately after B cells are activated? a. the foreign antigen-MHC complex is displayed on the cell surfaces. b. activated T helper cells interact with the B cells. c. the B cells are cloned. D. antibodies combine with antigens on the pathogen surface.arrow_forwardMary contracted measles when she was six years old. She was very sick for several weeks, but eventually recovered. Years later , Mary’s daughter contracted measles, and Mary did not get sick which type of immunity to Mary Aquire? A. Passive naturally acquired B active naturally acquired C.  Active artificially acquired. D.  Passive artificially acquired.arrow_forwardExplain why each choice (a-d) is correct or incorrect. In clonal selection of B cells, which substance is responsible for determining which cells will eventually become clones? a. Antigen b. Interferon c. Antibody d. Complementarrow_forward
- Jay, a young dad, takes his baby to the pediatrician several times in the first year of the child’s life. These visits will stimulate the baby to make memory cells against specific antigens. Why are these visits necessary? a. The baby is being vaccinated. b. The visits verify that the baby has a normal inflammatory response. c. The baby must have an unusual immune deficit that must be monitored. d. The baby’s blood is being filtered to remove foreign antigen.arrow_forwardin antibody-mediated immunity, what happens immediately after B cells are activated? a. the foreign antigen-MHC complex is displayed on the cell surfaces. b. activated T helper cells interact with the B cells. c. the B cells are cloned. D. antibodies combine with antigens on the pathogen surface.arrow_forwardHow is the cytotoxic T cell mechanism of action similar to that of complement? A. Cytotoxic T cells secrete the proteins that activate complement. В. Cytotoxic T cells induce cell lysis with perforin, a protein similar to complement's MAC. C. Cytotoxic T cells activate B cells to produce antibodies. D. Cytotoxic T cells are antigen-presenting cells similar to the complement proteins found on B cells.arrow_forward
- In what process is tumor necrosis factor (TNF) not involved?a. chemotaxis of phagocytesb. fever c. the inflammatory responsed. the classic complement pathwayarrow_forwardWhich of these statements about gamma interferon is false? a. It is a polypeptide autocrine regulator. b. It can be produced in response to viral infections. c. It stimulates the immune system to attack infected cells and tumors. d.It is produced by almost all cells in the body.arrow_forwardSome individuals are immune-compromised because their bodies do not make enough T-cells. What is the difference between a T-cell and any other cell type in the body? a. T-cells have different genomes than cells of other types b. T-cells have different genes than cells of other types c. T-cells have different proteins than cells of other typesarrow_forward
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