EBK BIOLOGY: CONCEPTS AND INVESTIGATION
4th Edition
ISBN: 8220106847572
Author: Hoefnagels
Publisher: YUZU
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Chapter 34, Problem 10MCQ
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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?
Activated helper T Cells participate in which of the following processes?
a.) Differentiation of memory B cells
b.) Activation of cytotoxic T Cells
c.) Facilitation of macrophage phagocytosis
d.) All of above
HIV causes immunodeficiency by attackinga. memory B cells. c. plasma cells.b. helper T cells. d. cytotoxic T cells.
Chapter 34 Solutions
EBK BIOLOGY: CONCEPTS AND INVESTIGATION
Ch. 34.1 - Prob. 1MCCh. 34.1 - Prob. 2MCCh. 34.1 - Prob. 3MCCh. 34.1 - Prob. 4MCCh. 34.2 - List the categories of inn ate defenses.Ch. 34.2 - Describe the physical barriers to infection.Ch. 34.2 - How do white blood cells contribute to innate...Ch. 34.2 - Prob. 4MCCh. 34.2 - Prob. 5MCCh. 34.3 - Prob. 1MC
Ch. 34.3 - What are the two subdivisions of adaptive...Ch. 34.3 - Prob. 3MCCh. 34.3 - Prob. 4MCCh. 34.3 - Prob. 5MCCh. 34.3 - Prob. 6MCCh. 34.4 - Prob. 1MCCh. 34.4 - Prob. 2MCCh. 34.4 - Prob. 3MCCh. 34.5 - Prob. 1MCCh. 34.5 - Prob. 2MCCh. 34.5 - Prob. 3MCCh. 34.5 - Prob. 4MCCh. 34.6 - Prob. 1MCCh. 34.6 - Prob. 2MCCh. 34 - Prob. 1MCQCh. 34 - Histamine acts on the _____, causing redness and...Ch. 34 - Prob. 3MCQCh. 34 - The innate immune response is characterized by its...Ch. 34 - Prob. 5MCQCh. 34 - Prob. 6MCQCh. 34 - In what process is clonal selection important? a....Ch. 34 - Why is the secondary immune response so much...Ch. 34 - Prob. 9MCQCh. 34 - Prob. 10MCQCh. 34 - Prob. 1WIOCh. 34 - Explain why a scraped knee increases the chance...Ch. 34 - Prob. 3WIOCh. 34 - Prob. 4WIOCh. 34 - Prob. 5WIOCh. 34 - Prob. 6WIOCh. 34 - Prob. 7WIOCh. 34 - Prob. 8WIOCh. 34 - Prob. 9WIOCh. 34 - Prob. 10WIOCh. 34 - Prob. 11WIOCh. 34 - Prob. 12WIOCh. 34 - Explain the difference between clonal deletion and...Ch. 34 - Humans (and all other organisms) are in an...Ch. 34 - Prob. 1PITCh. 34 - Prob. 2PITCh. 34 - Circle the immune system components that a vaccine...Ch. 34 - How do lymph and lymph nodes fit into this concept...Ch. 34 - Where else might macrophages fit into this concept...
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- What is the function of cytotoxic T-cells? Select one: a. They are long lived cells that provide life long immunity b. They kill cells that have the antigen they recognize c. They pump out chemical weapons & stimulate other T & B cells d. They produce and secrete antibodiesarrow_forwardWhich of the following should be the same inidentical twins?(A) the set of antibodies produced(B) the set of MHC molecules produced(C) the set of T cell antigen receptors produced(D) the set of immune cells eliminated as self-reactivearrow_forwardWhat type of cells secrete antibodies? A) Cytotoxic T cells B) Helper T cells C) B cells D) Plasma cells E) Antigen-presenting cellsarrow_forward
- Which statement describes a limitation of T-cell receptors (TCRs) compared to B-cell receptors (BCRs)? A.) only BCRs can interact with epitopes on free antigens or epitopes B.) displayed directly on the pathogen C.) only BCRs can initiate a pathogen-specific immune response D.) only BCRs recognize pathogen epitopesarrow_forward. Which does NOT describe humoral immunity? Group of answer choices a. Antibodies are secreted by T-helper cells b. Humoral immunity is effective against circulating toxins c. Some B cells become memory cells d. cytotoxic t cells can make antibodiesarrow_forwardWhich of these statements about T lymphocytes is false? a. Saome T cells promote the activity of B cells. b. Some T cells suppress the activity of B cells. c. Some T cells secrete interferon. d. Some T cells produce antibodies.arrow_forward
- Receptors that trigger innate immune responses a. are antibodies recognizing specific antigens. b. are T-cell receptors recognizing specific antigens. c. recognize pathogen-associated molecular patterns. d. are not specific at all.arrow_forwardAn allergy can best be defined as ______. A) a component of the humoral response B) an exaggerated response to an allergen C) part of the normal immune response D) a type of cell-mediated adaptive immunityarrow_forwardWhich of the following pairs is mismatched? a. activation of memory cells: secondary immune response b. central memory T cells: restricted to non-lymphoid tissues c. protective immunity: antibodies persist after primary immune response d. attenuated vaccine: not pathogenic e. vaccination: primary immune response.arrow_forward
- Choose the most accurate characteristic of B cells. A) They help establish and control the sensitivity of the immune response. B) They stimulate the activities of T cells. C) They attack foreign cells, normal cells infected with viruses, and cancer cells that appear in normal tissues. D) They continually monitor peripheral tissues. E) They differentiate into plasma cells that secrete antibodies.arrow_forwardVirus-infected cells are detected and destroyed by which cells of the immune system? A)helper T cells B)macrophages C)cytotoxic T cells D)B cellsarrow_forwardWhich statement is true of autoimmunity? a. It involves misshapen antibodies. b. It refers to “automatic immunity.” c. It often manifests as types II, III, and IV hypersensitivities. d. It has an acute course and then usually resolves itself.arrow_forward
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