Nutrition: Concepts and Controversies
14th Edition
ISBN: 9781305886865
Author: Sizer, Frances , WHITNEY, Ellie
Publisher: Cengage Learning
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Question
Chapter 3, Problem 7SC
Summary Introduction
To determine:
Whether the statement ‘the T-cells are the immune cells that “read” and “remember” the chemical message to identify the future invaders” is true or false.
Introduction:
In the multicellular organisms, the immune system is known as the defense system as it protects the body systems against the attacks of the foreign invaders, which want to harm the body systems. Hence, it plays the main role in providing protection against the many diseases.
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Students have asked these similar questions
Which is an example of a 1st line of
defense barrier?
mucus traps organisms in our mucous
membranes
fever speeds up the metabolism of our
immune cells
B and T cells target specific pathogens
for destruction
macrophages engulf pathogens
Where do T-cells proliferate and mature?
Group of answer choices
Small intestine
Liver
Thymus
Red bone marrow
Short Answer Use the diagram below to answer items 1-5.
B cell engulfs pathogen
antigen
phagocyte
(engulfs pathogen
В сell
becomes
activates B cell
activates T cell
antigen-presenting
T cell
antigen-
presenting
activated
T cell
cell
B cell
gives
rise to
gives
rise to
activated
memory
activated
memory
T cell
T cell
В сeеl
В сеll
diagram 1
diagram 2
1. What is shown in Diagram 1 ? What will the activated T cell do next?
Chapter 3 Solutions
Nutrition: Concepts and Controversies
Ch. 3 - Moderate alcohol use has been credited with...Ch. 3 - Your daughter is leaving for college in the fall....Ch. 3 - Cells a. are self-contained, living units. b....Ch. 3 - Each gene is a blueprint that directs the...Ch. 3 - Prob. 3SCCh. 3 - Prob. 4SCCh. 3 - Hormones a. are rarely involved in disease...Ch. 3 - Prob. 6SCCh. 3 - Prob. 7SCCh. 3 - Prob. 8SC
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- A dendritic cell engulfs a bacterium, then presents bacterial bits on its surface along with an _______. a. MHC marker c. T cell receptor b. antibody d. antigenarrow_forwardAntibody-mediated responses work best against _______. a. pathogens inside cells b. pathogens outside cells c. toxins d. both b and c e. all are correctarrow_forwardThe ability to develop a secondary immune response is based on ______. a. memory cells b. circulating antibodies c. plasma cells d. effector cytotoxic T cells e. mast cellsarrow_forward
- Jane Doe is infected with HIV. One of her medications is acyclovir, which is a/an ____________________ drug used to treat viral infections or to provide temporary immunity.arrow_forwardT cells can recognize antigens because they Group of answer choices have specific antigen receptors. produce antibodies. become plasma cells have enzymes which react with antigens.arrow_forwardAdaptive Response Fill in the blanks.. Our specific defense system recognizes and fights autoimmune foreign molecules, or It can protect us antigens against like bacteria or viruses, or abnormal human cells like An allergy is the system's "overreaction" to things like pollen, cancer peanuts, or shellfish. The system can also target healthy pathogens human tissues causing diseases such as rheumatoid arthritis and multiple sclerosis. 11 O Teamwork Toolboxarrow_forward
- cells of the immune system attack "alien" eukaryotic cells. O Antigen Antibody O T lymphocyte O B lymphocytearrow_forwardKiller T-cells help protect us from viral infections. Explain the mechanism of their action.arrow_forwardsimple and direct answer please In the process shown in Diagram 2, what performs the function most similar to that of the activated T cell in Diagram 1?arrow_forward
- Which is an example of a 1st line of defense barrier? 1.fever speeds up the metabolism of our immune cells 2.macrophages engulf pathogens 3.mucus traps organisms in our mucous membranes 4.B and T cells target specific pathogens for destructionarrow_forwardT-killer cells can target and destroy body cells. What process do they use to do this? A B с D phagocytosis by secreting antibodies by releasing anti toxins through punching a hole in the target cell membranearrow_forwardIt is correct to assume action by the adaptive defense when: O antibodies are produced. specificity and memory are involved. O the body becomes immune to a disease. O All the above O A and B onlyarrow_forward
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