Biological Science (7th Edition)
7th Edition
ISBN: 9780134678320
Author: Scott Freeman, Kim Quillin, Lizabeth Allison, Michael Black, Greg Podgorski, Emily Taylor, Jeff Carmichael
Publisher: PEARSON
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Chapter 48, Problem 2TYK
Summary Introduction
Introduction:
Inflammation is the primary physical sign of the injured or infected wound. The consequence is direct and it acts by eliminating the infection via the innate response. The macrophages, leukocytes, and mast cells are recruited to the site after the platelets have released the components for forming a blood clot.
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Which of the following is not a characteristic of inflammation?
a. inactivation of macrophages
b. increased vascular permeability and edema
c. vasodilation
d. pain
e. influx of leukocytes.
a. Describe the main elements of the process through which the immune system distinguishes self from nonself. b. How is surveillance of the tissues carried out? c. What is responsible for this surveillance? d. What does the term foreign mean in reference to the immune system?
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Chapter 48 Solutions
Biological Science (7th Edition)
Ch. 48 - Prob. 2TYKCh. 48 - Prob. 3TYKCh. 48 - 4. What is one of the differences between CD4+ and...Ch. 48 - Prob. 5TYUCh. 48 - What steps are required for most B cells to become...Ch. 48 - Prob. 9TYPSSCh. 48 - Propose a hypothesis to explain how self-reactive...Ch. 48 - Prob. 11PIATCh. 48 - 13. Pattern recognition receptors have been...Ch. 48 - Prob. 14PIAT
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- Draw a diagram illustrating the main steps in the inflammatory response.arrow_forwardWhich of the following is not a goal of the inflammatory reaction?a. bring more oxygen to damaged tissuesb. decrease blood loss from a woundc. decrease the number of white blood cells in damaged tissuesd. prevent entry of pathogens into damaged tissuesarrow_forward-If you could design a drug that increases extravasation at the endothelium, what is the most likely outcome? a.increased blood flow to the area of infection b.enhanced tissue repair c.enhanced expression of PRRs on the surface of phagocytes d.enhanced phagocytosisarrow_forward
- The early events of inflammation are characterized by all of the following except _____. a. vasodilation b. extravasation c. pain d. apoptosis e. increased vascular permeability f. chemotaxis.arrow_forwardWhich of these cell types aids the activation of T lymphocytes by antigens? a. Macrophages b. Neutrophils c. Mast cells d. Natural killer cellsarrow_forwardThe vascular changes of inflammationa. lead to an increase in bacterial cells at the injury site.b. decrease the number of leukocytes at the injury site.c. allow plasma proteins to move easily from the bloodstream to theinjury site.d. increase the number of antibodies at the injury site.e. activate lymphocytes.arrow_forward
- Which of the following sudden changes might be a result of an infection? a. increase in the activity of white blood cells b. decrease in the activity of antigens produced by the mitochondria c. decrease in the amount of DNA present in the nuclei of cells d. increase in the number of red blood cellsarrow_forwardList the sequence of events in an inflammatory response and describe each step.arrow_forwardin a diagram put the cells that would first respond to a skin infection, and how the bacteria would escape the innate immune system and turn into a systemic infection and what cells would strath responding after the innate immune system failsarrow_forward
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