Nester's Microbiology: A Human Perspective
9th Edition
ISBN: 9781259709999
Author: Denise G. Anderson Lecturer, Sarah Salm, Deborah Allen
Publisher: McGraw-Hill Education
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Textbook Question
Chapter 25, Problem 1MC
Which of the following infection fighters are found in lymph?
a) Leukocytes
b) Antibodies
c) Complement
d) Interferon
e) All of the above
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What do neutrophils do that macrophages dont do?
A) antigen presentation
B) Degranulate
C) Phagocytose pathogens
D) Both A & B
E) Both B & C
Antibodies, complement proteins, and phagocytic cells provide effective protection against all of the following types of infections except:
a) Fungi
b) Virus-infected cell
c) Worms
d) Bacteria
e) Viruses
7. Which of these cells can activate both B & T lymphocytes?
a) Helper T cells
b) Plasma cells
c) Cytotoxic T cells
d) Neutrophils
e) Mast cells
8. Which of the following happens when a B cell is activated?
a) Inflammation
b) The activated B cell differentiates into plasma cells and memory cells
c) The B cell will suppress the immune response
d) It acts as a phagocyte to engulf antigens
e) The activated B cell will release haptens
9. How are T lymphocytes activated?
a) Release of histamine during the inflammatory process triggers their activation
b)
By interferon and antibodies
Contact with exposed collagen activates helper T cells
d)
Through direct contact with a foreign antigen
e) Activation of any component of the nonspecific immune response will activate T cells
10. The variable region of an antibody
c)
ngang naging
a) Binds to a specific epitope on an antigen.
b) Can bind to several different antigens on the same bacterial cell.
c) Binds to the first complement protein (C1).
d) Is…
Chapter 25 Solutions
Nester's Microbiology: A Human Perspective
Ch. 25 - Prob. 1SACh. 25 - Prob. 2SACh. 25 -
3. What activities of humans are likely to expose...Ch. 25 - Prob. 4SACh. 25 -
5. Why might the Yersinia pestis from a patient...Ch. 25 -
6. Why might rodent burrows be a source of plague...Ch. 25 - Prob. 7SACh. 25 - Prob. 8SACh. 25 - Prob. 9SACh. 25 -
10. Which Plasmodium species causes the most...
Ch. 25 - Which of the following infection fighters are...Ch. 25 - Which of the following statements about the spleen...Ch. 25 - Prob. 3MCCh. 25 - Prob. 4MCCh. 25 - Prob. 5MCCh. 25 - Prob. 6MCCh. 25 - Which statement about Yersinia pestis is false? a)...Ch. 25 - Prob. 8MCCh. 25 - Prob. 9MCCh. 25 - Prob. 10MCCh. 25 - Some years ago, dentists and doctors began...Ch. 25 - Prob. 2ACh. 25 -
1. At least four emerging mosquito-borne diseases...Ch. 25 -
2. Even though genetically engineered mosquitoes...
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- Which of the following destroys virus-infected cells? Question 6 options: A) cytotoxic T cells B) B cells C) T helper cells D) dendritic cellsarrow_forwardAttraction of leukocytes to an inflammatory site is called b) chemotaxis X) margination e) phagocytosisarrow_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_forward
- Which of the following are important for viral protection? Group of answer choices a) Macrophages b)Interferons c)Skin d)Natural Killer lymphocytesarrow_forward1) Which line of defense are these immune response components part of? A) Complement: B) Antibodies: C) Interferon: D) Lysozyme: E) Phagocytes: F) Inflammation: 2) A bacterium lands on the skin. What factors would this microbe need to survive on the skin?arrow_forwardWhich of the following components of the immune system recognizes pathogen-associated molecular patterns? a.) Macrophages b.) Dendritic cells c.) Proteins of the complement system d.) All of abovearrow_forward
- 27) In response to alerting cell activation, the B cell covers pathogens with ______________ to make recognition easier for the immune system. A) Antigens B) Toxoids C) Antibodies D) Immunoglobinsarrow_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_forwardHelper T cells: A) produce antibodies B) can act as memory cells C) initiate both the cell mediated response and the humoral response D) all of the abovearrow_forward
- Use the following choices for the next set of questions. A choice may be used zero or more times: a)Complement b) B cells c) T cells d) more than one of these 6)Part of the innate immune response 7)Often found concentrated in the lymph nodes 8)Expresses MHC Class I 9)Can be a plasma cell 10) Capable of inducing cytotoxicity of self cells 11) Directly participates in ADCC 12) Forms membrane attack complex 13) Undergoes affinity maturation 14) Produces molecules capable of neutralizing soluble toxins in serum 15) Undergoes somatic hypermutation 16) Produces molecules which serve as opsonins 17) Relies on immunologic signal transduction for proper operation 18) Undergoes clonal expansion 19) Considered part of the endothelium 20) Capable of producing granzymearrow_forwardWhat is the role of histamine in inflammation? A)Histamine increases the volume of blood flow in the area of the infection. B)All these choices are correct. C)Histamine signals to neutrophils to migrate to the site of infection. D)Histamine makes it easier for neutrophils to move from the bloodstream to the site of infection.arrow_forwardWhich of the following are important for viral protection? ( select all the correct answers) a) Macrophages b) Interferons c) Skin d) Natural Killer lymphocytesarrow_forward
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