Microbiology: A Systems Approach
5th Edition
ISBN: 9781259706615
Author: Marjorie Kelly Cowan Professor
Publisher: McGraw-Hill Education
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Textbook Question
Chapter 14, Problem 10MCQ
Which of the following is the end product of the complement system?
- a. properdin
- b. cascade reaction
- c. membrane attack complex
- d. complement factor C9
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Which of the following is the end product of the complement system?a. properdin
b. cascade reaction
c. membrane attack complex
d. complement factor C9
Choose the combination of answers that most accurately completes the statement. Which of the following is the end product of the complement system? a. properdin b. cascade reaction c. membrane attack complex d. complement factor C9
Antibodiesa. prevent antigens from binding together.b. promote phagocytosis.c. inhibit inflammation.d. block complement activation.e. block the function of opsonins
Chapter 14 Solutions
Microbiology: A Systems Approach
Ch. 14.1 - Summarize the three lines of host defenses.Ch. 14.1 - Identify two components of the first line of...Ch. 14.1 - Discuss the role of normal biota as a first-line...Ch. 14.2 - Define marker, and discuss its importance in the...Ch. 14.3 - Prob. 5AYPCh. 14.3 - List the components of the mononuclear phagocyte...Ch. 14.3 - Prob. 7AYPCh. 14.3 - Prob. 8AYPCh. 14.3 - Name six types of blood cells that function in...Ch. 14.3 - Prob. 10AYP
Ch. 14.4 - List the four major categories of nonspecific...Ch. 14.4 - Summarize the steps in phagocytosis, and describe...Ch. 14.4 - Outline the steps in inflammation.Ch. 14.4 - Discuss the mechanism of fever and its role in...Ch. 14.4 - Compare and contrast the three different...Ch. 14.4 - Name three types of antimicrobial proteins.Ch. 14 - Ail example of a nonspecific chemical barrier to...Ch. 14 - Which nonspecific host defense is associated with...Ch. 14 - Prob. 3MCQCh. 14 - Which of the following is not a lymphoid tissue?...Ch. 14 - Prob. 5MCQCh. 14 - Prob. 6MCQCh. 14 - Prob. 7MCQCh. 14 - Prob. 8MCQCh. 14 - Which of the following substances is/are not...Ch. 14 - Which of the following is the end product of the...Ch. 14 - The liquid component of clotted blood is called...Ch. 14 - Prob. 12TFCh. 14 - Prob. 13TFCh. 14 - Prob. 14TFCh. 14 - Prob. 15TFCh. 14 - Prob. 1CTQCh. 14 - Prob. 2CTQCh. 14 - Prob. 3CTQCh. 14 - a. Inflammation is characterized by heat, pain,...Ch. 14 - HIV predominantly infects T helper cells, cells...Ch. 14 - Prob. 1VCCh. 14 - Prob. 1CM
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- Complement proteins function in defense by _______. a. neutralizing toxins b. enhancing resident bacteria c. promoting inflammation d. forming pores that cause pathogens to disintegrate e. both a and b f. both c and darrow_forwardThe fact that the body does not normally mount an immune response to the molecules in food is an example of _______ . a. secondary immune response b. immunological memory c. immune tolerance d. passive immunityarrow_forwardThe complement system of defense is composed of proteins that are always present in the blood. Which statement describes the importance of this system in early pathogen defense? A.) It does not have to be activated by antibodies. B.) It rapidly lower the blood pH. C.) It recognizes specific common pathogens. D.) It causes immediate pathogen lysis.arrow_forward
- Two of the major actions of complement are a. increased inflammatory response and cytolysis. b. recognition and destruction of a specific antigen and cytolysis. c. production of antibody and increased inflammatory response. d. release of cytokines to increase the immune response and production of antibody.arrow_forwardWhich of these statements about complement proteins C3a and C5a is false?a. They are released during the complement fixation process.b. They stimulate chemotaxis of phagocytic cells.c. They promote the activity of phagocytic cells.d.They produce pores in the victim plasma membrane.arrow_forwardImmunoglobins help eliminate the pathogen through the process of: A. Release of hydrolytic enzymes on the pathogen B. Agglutination and precipitation C. Direct phagocytosis D. Activating plateletsarrow_forward
- Which of the following does not accurately describe complement components? A. made by the spleen B. located in extracellular spaces C. some function as proteases once activated D. activated by a cascade of enzymatic reactions. E. soluble proteinsarrow_forwardWhat organ is responsible for producing most of the plasma proteins known as the complement system? a. spleen b. kidney c. liver d. heartarrow_forwardWhich of the following does not describe the outcome of complement activation? a. chemotaxis b. opsonization c. vasoconstriction d. proteolysis e. membrane permeabilization.arrow_forward
- Choose the combination of answers that most accurately completes the statement. In what process is tumor necrosis factor (TNF) not involved? a. chemotaxis of phagocytes b. fever c. the infl ammatory response d. the classic complement pathwayarrow_forwardWhich 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_forwardPart of the complement system of defense is opsonization. This process A.) creates an acidic environment that prevents pathogen attachment B.) causes holes to form in the pathogen's cell walls. C.) coats the pathogen exterior so that it is recognized by the host's phagocytes. D.) causes the pathogen to become trapped in mucus.arrow_forward
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