Microbiology with Diseases by Taxonomy, Books a la Carte Plus Mastering Microbiology with Pearson eText -- Access Card Package (5th Edition)
5th Edition
ISBN: 9780134402789
Author: Robert W. Bauman Ph.D.
Publisher: PEARSON
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Chapter 18, Problem 2MC
Summary Introduction
Introduction:
Hypersensitivity reactions are also known as allergic reactions are the amplified immune response of the body towards harmless substances. Some allergic reaction can affect anyone but other reactions happen only to the individual with inherited trait of expressing amplified immune response. Immediate-reaction hypersensitivity is also known as type I hypersensitivity. Type I hypersensitivity is triggered by the allergens and the person becomes “sensitized” by generating a large amount of IgE in response to a particular allergen.
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Antibodiesa. prevent antigens from binding together.b. promote phagocytosis.c. inhibit inflammation.d. block complement activation.e. block the function of opsonins
Immunoglobins 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 platelets
The 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.
Chapter 18 Solutions
Microbiology with Diseases by Taxonomy, Books a la Carte Plus Mastering Microbiology with Pearson eText -- Access Card Package (5th Edition)
Ch. 18 - Prob. 1MCCh. 18 - Prob. 2MCCh. 18 - Prob. 3MCCh. 18 - Prob. 4MCCh. 18 - Prob. 5MCCh. 18 - Prob. 6MCCh. 18 - Prob. 7MCCh. 18 - Prob. 8MCCh. 18 - Prob. 9MCCh. 18 - Prob. 10MC
Ch. 18 - Prob. 1TFCh. 18 - Prob. 2TFCh. 18 - Prob. 3TFCh. 18 - Prob. 4TFCh. 18 - Prob. 5TFCh. 18 - Prob. 1MCh. 18 - Prob. 1SACh. 18 - Prob. 2SACh. 18 - Prob. 3SACh. 18 - Prob. 4SACh. 18 - Prob. 5SACh. 18 - Prob. 1VICh. 18 - Prob. 2VICh. 18 - What possible advantages might an individual gain...Ch. 18 - Why cant physicians use skin tests similar to the...Ch. 18 - Prob. 3CTCh. 18 - Prob. 4CTCh. 18 - What types of illnesses cause death in patients...Ch. 18 - Prob. 6CTCh. 18 - Prob. 7CTCh. 18 - Prob. 8CTCh. 18 - A 43-year-old woman has been diagnosed with...Ch. 18 - Prob. 1CMCh. 18 - Prob. 1TMWCh. 18 - Prob. 2TMWCh. 18 - Prob. 3TMWCh. 18 - Prob. 1CCS
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- of the choices, which cells stimulate directly B cells to divide and produce antibodies? a. mast cells b. marcophages c. Nk cells d. TH cellsarrow_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_forwardChoose 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_forward
- An allergy can best be defined as ______. A) a component of the humoral response B) an exaggerated response to an allergen C) part of the normal immune response D) a type of cell-mediated adaptive immunityarrow_forwardActivated helper T Cells participate in which of the following processes? a.) Differentiation of memory B cells b.) Activation of cytotoxic T Cells c.) Facilitation of macrophage phagocytosis d.) All of abovearrow_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
- The benefit of specific immunity is the production of ________ that provide long-lasting protection. A) antibodies B) plasma cells C) T helper cells D) memory cellsarrow_forwardType of specific resistance that has been introduced to the body is already antibodies that provide immediate protection against microorganism. Choose the correct answer: A. Natural immunity B. Active immunization C. Acquired immunity D. Passive immunizationarrow_forwardMatch each type of immunity in the left column with its associated example from theright column. 1.Artificially acquired passive immunotherapy A. Production of IgE in response to pollen 2. Naturally acquired active immunity B. Acquisition of maternal antibodies in breast milk 3. Naturally acquired passive immunity C. Administration of tetanus toxoid 4. Artificially acquired active immunity D. Administration of antitoxinarrow_forward
- Maria, who is 3 years old, was stung by a bee. The area where the stinger entered the skin became red, warm, and swollen. This normal response to a foreign venom is called a. a fever. b. the complement cascade. c. an inflammatory response. d. an antigen challenge.arrow_forwardWhich of the following statements is most correct regarding SCIDs?a. They are the least severe form of primary immunodeficiency disease.b. They result from viral infections.c. They result from the action of complement.d. They involve dysfunction of both lymphocyte (B- and T-cell) systems.arrow_forwardNaturally acquired active immunity would be most likely acquired through which of the following processes? a. vaccination b. drinking colostrum c. natural birth d. infection with disease-causing organism followed by recovery.arrow_forward
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