Prescott's Microbiology
11th Edition
ISBN: 9781260211887
Author: WILLEY, Sandman, Wood
Publisher: McGraw Hill
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Chapter 32.3, Problem 1MI
What strategies could a Gram-negative bacterium use to protect itself against lysis by complement?
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What is complement? How does it cause bacterial lysis? What are some of the other roles of complement?
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Chapter 32 Solutions
Prescott's Microbiology
Ch. 32.1 - Prob. 1CCCh. 32.1 - Prob. 2CCCh. 32.2 - Why is the skin such a good first line of defense...Ch. 32.2 - Prob. 2CCCh. 32.3 - What strategies could a Gram-negative bacterium...Ch. 32.3 - Prob. 1CCCh. 32.3 - Prob. 2CCCh. 32.3 - Prob. 3CCCh. 32.3 - Prob. 4CCCh. 32.3 - Prob. 5CC
Ch. 32.3 - Prob. 6CCCh. 32.3 - Prob. 7CCCh. 32.4 - Prob. 1MICh. 32.4 - Describe the structure and function of each of the...Ch. 32.4 - Prob. 2CCCh. 32.4 - Prob. 3CCCh. 32.4 - Prob. 4CCCh. 32.4 - Prob. 5CCCh. 32.4 - Discuss the role of NK cells in protecting the...Ch. 32.5 - Prob. 1MICh. 32.5 - Prob. 1CCCh. 32.5 - Injury to the spleen can lead to its removal. What...Ch. 32.5 - Describe SALT and MALT functions in innate...Ch. 32.6 - Prob. 1CCCh. 32.6 - Prob. 2CCCh. 32.6 - Prob. 3CCCh. 32.7 - Prob. 1MICh. 32.7 - Prob. 1CCCh. 32.7 - Prob. 2CCCh. 32 - Prob. 1RCCh. 32 - Prob. 2RCCh. 32 - Prob. 1ALCh. 32 - Prob. 2ALCh. 32 - Prob. 3ALCh. 32 - Prob. 4AL
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- A 3-year-old child has a history of serious infections and is currently hospitalized with meningitis. The doctor suspects that he may have a complement deficiency and orders testing. A buffer that chelates calcium was added to specimen. There was a decrease radial haemolysis on agarose plate a) Which complement pathway accounted for the result obtained and how will the result be reported in terms of hemolysis at 50 %? b) What is hydrodynamic focusing and why is it an important feature of an instrument.arrow_forwardA negative result with MPO stain would be seen with what cell type? Question 5 options: A) neutrophils B) lymphocytes C) eosinophils D) basophilsarrow_forward4) A patient has their spleen removed due to an accident. How will this affect the immune response? 5) You come in contact with staphylococci through a cut. What cellular features will the immune cells recognize? 6) Name two opsonins and how do these molecules help the immune response? 7) Fever is part of the inflammatory process. What is the role of fever during an immune response? 8) This chemical is used to induce anti-viral responses in cells to protect the cells from viral infections. 9) This complement activation pathway is activated when complement binds to an antibody bound to antigens.arrow_forward
- What could the overuse of anti-bacterial agents lead to?arrow_forwardWhat is opsonization, and how does opsonization help fightbacterial infection?arrow_forwardBased on what you know about the cells of the immune system, do you suspect this patient to have an infection, and if so, what is a probable cause? Choose the best answer and explain. a) Yes, a possible viral infection is indicated. b) Yes, a possible fungal infection is indicated. c) Yes, a possible bacterial infection is indicated. d) No, an infection is not indicated.arrow_forward
- Which form of acquired immunity is the patient developing by having this infection? A) Active natural immunity B) Passive natural immunity C) Active artificial immunity D) Passive artificial immunityarrow_forwardDescribe the following antigen antibody reactions in serology: Mechanism Function in serology Example of method a) Precipitation b) Agglutination c) Neutralizing d) Complement fixationarrow_forwardSigns of inflammation due to a local hyperemia are caused by b) heparin c) phagocyte mobilization d) histamine e) complement production e) complement productionarrow_forward
- Which of the following is true of commensal bacterium? Question 2 options: A) commensal bacteria do not receive any benefit from its host B) commensal bacteria only colonize adult hosts C) commensal bacterium may also be an opportunistic pathogen D) commensal bacterium cannot cause an infection its hostarrow_forwardWhat conditions compromise host defenses against microorganisms?arrow_forwardMatch the PAMP to the type of pathogen it is specific to. 1) Peptidoglycan 2) Lipopolysaccharides 3) RNA 4) DNA Here is the options: a) Gram-negative bacteria b) Viruses c) Gram-positive bacteriaarrow_forward
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