EP CONNECT ONLINE ACCESS FOR BIOLOGY
20th Edition
ISBN: 9781260494655
Author: Raven
Publisher: MCG COURSE
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Textbook Question
Chapter 50, Problem 6A
Why do we need to be repeatedly vaccinated for influenza viruses?
a. They attack only the helper T cells, thereby suppressing the immune system.
b. They alter their surface proteins and thus avoid immune recognition.
c. They don’t actually generate an immune response; the “flu” is actually an inflammatory response.
d. They are too small to serve as good antigens.
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Chapter 50 Solutions
EP CONNECT ONLINE ACCESS FOR 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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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- Suppose a person recovers normally from viral infections, but then gets the same viral infections over and over again- unlike the rest of us. A. What is probably wrong –B cells, helper T cells and/or cytotoxic T cells? B. Should this person be at a higher risk of cancer than the rest of us? C. Should this person be able to lyse bacterial cells as well as the rest of us? D. Should this person tolerate a graft (from an unreated person) better than you are me?arrow_forwardWhich pertains to the immune response of a woman who has just inhaled a coronavirus to which she has no immunity. A.an immune response will begin once the antigen enters lymphoid tissues as the lymph nodes B. IgA directed toward this coronavirus will be immediately present in respiratory secretions C. each Ab produced against an epitope of the coronavirus will have identical binding sites D. only B lymphocytes will be capable of responding to the coronavirus E. only IgM will be produced in the initial response.arrow_forwardIn what process is clonal selection important?a. Complement function c. Inflammationb. B cell activation d. Phagocytosisarrow_forward
- Explain 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_forwardBased on the experience of the Philippines with the dengue vaccine, what can you conclude regarding the use of vaccines? a. Vaccines should be tested for long period of time before allowing any individual to take the vaccine.b. All aspects as on the long-term effects of vaccines, its effect on children, pregnant women, effect to reproductive system, immediate side effects and many more should be analysed first.c. Vaccines take time to be developed and studied for their effectivity and effects.d. All vaccines have side effects, only few individuals should have them.e. Vaccines that were tested for decades could be trusted for its safety but still precaution should be observed.arrow_forwardWhich of the following plays a role in the Arthus reaction?a. IgE antibodies. b. complement c. cell-associated antigen d. cytotoxic T cellsarrow_forward
- Some 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_forwardWhich of these pairs are mismatched? a. cytosol: intracellular pathogen b. surface of epithelium: extracellular pathogen c. nucleus: intracellular pathogen d. lymph: intracellular pathogenarrow_forwardHow does HIV (human immunodeficiency virus) lead to AIDS (acquired immune deficiency syndrome)/lead to opportunistic infections? Select one: a. HIV kills/disables helper T cells b. HIV disables eating white blood cells of non specific immune system c. HIV kills your gut bacteria d. HIV disables B cells so they can’t produce antibodiesarrow_forward
- Which of these characteristics is not a major factor in adaptive oracquired immunity?a. specificity b. chemotaxis c. recognition d. memoryarrow_forwardSponges display nonspecific immunity. In an experiment, the cells of two different sponges were mixed and placed within a petri dish. The cells from each sponge sorted and arranged themselves together according to organism. What does this characteristic demonstrate? A. Sponges have memory T-cells and share a more recent common ancestor with vertebrates than other invertebrates. B. The experiment provides evidence for the speed of evolution and the use of specific immunity within the organism. C. Sponges have an ability to recognize their own cells as a characteristic of acquired immunity. D. Sharing genetic information from cell to cell is possible by means of receptors and protein-lined pits.arrow_forwardWhich 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.arrow_forward
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