TEST BANK for The Immune System 5th Edition by Peter Parham. (Complete Chapters 1-17) |Updated & Complete A+
Summary 'the Immune System' chapter 2: Innate Immunity
The Immune System summary Chapter 3: Innate Immunity
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TEST BANK for The Immune System 5th Edition by Peter Parham.
TEST BANK for the Immune System 5th Edition by Peter Parham.
(Complete Chapters 1-17.)
Test Bank Page 1
, TEST BANK for The Immune System 5th Edition by Peter Parham.
CHAPTER 1: ELEMENTS OF THE IMMUNE SYSTEM AND THEIR ROLES IN DEFENSE
1–1 The last cases of smallpox were reported in the .
c. 1970s
1–2 The first line of defense against microorganisms that infect the body is referred to as .;
b. innate immunity
1–3 Which of the following pairs is mismatched?;
a. innate immunity: highly specialized defenses
1–4 All of the following are examples of chemical barriers of innate immunity except .;
b. normal microbiota
1–5 When effector lymphocytes secrete , an inflammatory response ensues.
e. cytokines.
1–6 The thin layer of cells that makes up the interior lining of the blood vessels is called the .
c. endothelium.
1–7 Identify the incorrect statement regarding hematopoiesis.
e. Leukocytes, but not erythrocytes, must go through hematopoiesis in order to develop.
1–8 The progenitors of macrophages are .
c. monocytes
1–9 act as cellular messengers by delivering degraded pathogens to lymphoid organs.
b. Dendritic cells
1–10 Another name for a large granular lymphocyte is a .
d. natural killer cell
Test Bank Page 2
, TEST BANK for The Immune System 5th Edition by Peter Parham.
1–11 Effector cells that secrete antibodies are known as .
e. plasma cells
1–12 Spherical regions in lymph nodes containing areas that are packed densely with proliferating B cells are
called .
b. germinal centers
1–13 The is (are) the lymphoid organ(s) that filter(s) the blood.
a. spleen
1–14 cells persist long after an individual has been vaccinated.
c. Memory
1–15 During an infection, are mobilized in large numbers from the bone marrow.
d. neutrophils
1–16 In most cases, adaptive immune responses rely on the initial activation of in secondary lymphoid
tissue:
b. T cells
1–17 All of the following statements are characteristic of secondary immune responses except .
a. Secondary immune responses are activated when primary immune responses fail to completely eradicate
an
infection.
Test Bank Page 3
, TEST BANK for The Immune System 5th Edition by Peter Parham.
1–18 Identify the four classes of pathogens that provoke immune responses in our bodies and give an example
of each.
The four classes of pathogen are bacteria, viruses, fungi, and parasites (protozoa and worms).
1–19 A bacterium that causes a common disease in a population that has been previously exposed to it is
called .
d. endemic
1–20
A. Name the parts of the body where epithelia act as barriers to infection.
B. Describe the three main ways in which epithelia carry out this barrier function, giving details of the
mechanisms employed.
A. Skin; mucosal epithelium of the gastrointestinal tract; mucosal epithelium of the respiratory tract; mucosal
epithelium of the urinogenital tract.
B. (i) Mechanical (physical) barriers. Tight junctions between the epithelial cells prevent the penetration of
pathogens between the cells to underlying tissues. In addition, there is a flow of air and fluid over epithelial
surfaces, which oxygenates and flushes the surface, preventing anaerobic bacterial growth and transient
adhesion. On ciliated epithelial surfaces, such as those of the respiratory tract, the formation of a layer of
mucus that is kept in continual movement by the beating cilia inhibits colonization and invasion by
microorganisms. (ii) Chemical barriers. The epithelium produces a variety of chemical substances that interfere
with the adherence of microorganisms to epithelium and with their replication. The skin produces fatty acids
in sebaceous glands, which helps to create an acid environment inhibitory to the growth of many bacteria.
Lysozyme, an enzyme that inhibits cell-wall formation in bacteria, is secreted in tears, saliva, and sweat. The
stomach produces strong hydrochloric acid, creating a highly acidic and formidable environment, which when
Test Bank Page 4
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