Human Anatomy (8th Edition) - Standalone book
8th Edition
ISBN: 9780321883322
Author: Frederic H. Martini, Robert B. Tallitsch
Publisher: PEARSON
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Question
Chapter 23, Problem 2RC
Summary Introduction
Introduction:
HIV (human immunodeficiency virus) leads to the condition referred as AIDS (acquired immunodeficiency syndrome). This virus basically interferes with the body’s ability to fight against in the infections. The virus travels through the contact with the infected semen, blood, or vaginal fluids.
Correct answer:
HIV infects cytotoxic T cells.
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In the process shown in Diagram 2, what performs the function most similar to that of the activated T cell in Diagram 1?
What are T cells and what is their importance in the immune system?
Why regulatory T cells important?
Chapter 23 Solutions
Human Anatomy (8th Edition) - Standalone book
Ch. 23 - Prob. 1RFTCh. 23 - Match each numbered item with the most closely...Ch. 23 - Prob. 3RFTCh. 23 - Prob. 4RFTCh. 23 - Prob. 5RFTCh. 23 - Prob. 6RFTCh. 23 - Prob. 7RFTCh. 23 - Match each numbered item with the most closely...Ch. 23 - Prob. 9RFTCh. 23 - Prob. 10RFT
Ch. 23 - Identify the structures of the lymphatic system in...Ch. 23 - The lymphatic system is composed of (a) lymphatic...Ch. 23 - Prob. 13RFTCh. 23 - 14. Most of the lymph returns to the venous...Ch. 23 - Prob. 15RFTCh. 23 - Prob. 16RFTCh. 23 - Prob. 17RFTCh. 23 - Prob. 18RFTCh. 23 - Prob. 19RFTCh. 23 - Prob. 20RFTCh. 23 - Prob. 21RFTCh. 23 - Prob. 1RCCh. 23 - Prob. 2RCCh. 23 - Blocking the antigen receptors on the surface of...Ch. 23 - Prob. 4RCCh. 23 - 5. What major artery and vein pass through the...Ch. 23 - Prob. 6RCCh. 23 - Prob. 7RCCh. 23 - Prob. 8RCCh. 23 - 9. What occurs in secondary lymphatic structures?
Ch. 23 - 10. Where are aggregated lymphoid nodules, also...Ch. 23 - Prob. 1CTCh. 23 - Prob. 2CTCh. 23 - Prob. 3CT
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Similar questions
- What are structures, together with the functions, of the human body immune system?arrow_forwardWhat are the different types of T cells, and what function does each have?arrow_forwardwhich of the following cells secrete cytokines that activate B cells, T cells, and macrophages? a. T helper cells b. regulatory T cells c. T cytotoxic cells d. dendritic cellsarrow_forward
- What is the main reason for the steady decline in T cells over time?arrow_forwardHow would a lack of helper T cells affect the antibody-mediated immune response?arrow_forwardIf you were missing the gene sequence that codes for CD3, what consequence would this have on T cells? How would it effect maturation, activation, and differentiation?arrow_forward
- What Are the Key Components of the Adaptive Immune System?arrow_forwardWhat is Helper T cells?arrow_forwardOnce the antigen presenting cell delivers the message about the identity of the specific pathogen to the adaptive immune system, what is the mechanism of lymphocyte activation to make sure lymphocytes target that specific pathogen or toxin (Specificity)? Why does this process create a slow response during the first exposure of a pathogen?arrow_forward
- What is the mechanism dendritic cells use to deliver the message about a specific pathogen to the adaptive immune system? (Start from the point where the dendritic cell first encounters the pathogen and end when the message is delivered to a lymphocyte.)arrow_forwardSuppose 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_forwardWhile it is obvious that the tadpole’s tail muscles and skin die, is this death murder or induced suicide? In other words, is T3 telling the cells to kill themselves, or is T3 telling something else to kill the cells?arrow_forward
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