wiley lymphatic

Package Title: TestbankCourse Title: pap14Chapter Number: 22

Question type: Multiple Choice

1) Which of the following is NOT a function of the lymphatic and immune system?

a) Draining excess interstitial fluidb) Maintaining water homeostasis in the bodyc) Transporting dietary lipidsd) Carrying out immune responses

Answer: b

Difficulty: EasyStudy Objective 1: SO 22.1 Understand the various components and major functions of the lymphatic system.Study Objective 2: SO 22.1.1 List the components and major functions of the lymphatic system.Section Reference 1: Sec 22.1 Lymphatic System Structure and Function

2) What is the major difference between lymph and interstitial fluid?

a) Composition of electrolytesb) White blood cells are present in lymphc) Locationd) Types of proteins presente) Red blood cells are present in interstitial fluid

Answer: c

Difficulty: EasyStudy Objective 1: SO 22.1 Understand the various components and major functions of the lymphatic system.Study Objective 2: SO 22.1.3 Explain the formation and flow of lymph.Section Reference 1: Sec 22.1 Lymphatic System Structure and Function

3) Lack of resistance is also known as:

a) Pathogenicb) Innatec) Specific

d) Susceptibilitye) Lymphatic

Answer: d


Question type: Essay

4) Describe how lymphatic capillaries are one-way only vessels.

Answer:

Difficulty: MediumStudy Objective 1: SO 22.1 Understand the various components and major functions of the lymphatic system.Study Objective 2: SO 22.1.2 Describe the organization of lymphatic vessels.Section Reference 1: Sec 22.1 Lymphatic System Structure and FunctionSolution: The ends of the endothelial cells in the wall of the lymphatic capillary overlap. When pressure is higher in the interstitial fluid than in the lymph, the cells separate slightly allowing interstitial fluid into the vessel. When pressure is greater inside, the cells are tightly packed, not allowing the lymph to cross back into the interstitial fluid.


5) What causes lymph from the small intestines to appear white?

a) Proteinsb) WBCc) RBCd) Lipidse) Carbohydrates

Answer: d

Difficulty: MediumStudy Objective 1: SO 22.1 Understand the various components and major functions of the lymphatic system.

Study Objective 2: SO 22.1.1 List the components and major functions of the lymphatic system.Section Reference 1: Sec 22.1 Lymphatic System Structure and Function

6) Which of the following is not considered an organ of the immune system?

a) Spleenb) Lymph nodec) Red bone marrowd) Thymuse) Pancreas

Answer: e

Difficulty: EasyStudy Objective 1: SO 22.1 Understand the various components and major functions of the lymphatic system.Study Objective 2: SO 22.1.4 Compare the structure and functions of the primary and secondary lymphatic organs and tissues.Section Reference 1: Sec 22.1 Lymphatic System Structure and Function

7) The left subclavian vein receives lymph from the

a) Left axillary veinb) Lumbar trunkc) Jugular trunkd) Thoracic ducte) Right lymphatic duct

Answer: d

Difficulty: MediumStudy Objective 1: SO 22.1 Understand the various components and major functions of the lymphatic system.Study Objective 2: SO 22.1.2 Describe the organization of lymphatic vessels.Section Reference 1: Sec 22.1 Lymphatic System Structure and Function

8) The skeletal muscle and respiratory pumps are used in the

a) Lymphatic systemb) Cardiovascular systemc) Immune systemd) Lymphatic and Immune systems onlye) Lymphatic, Immune and Cardiovascular systems

Answer: e

Difficulty: MediumStudy Objective 1: SO 22.1 Understand the various components and major functions of the lymphatic system.Study Objective 2: SO 22.1.3 Explain the formation and flow of lymph.Section Reference 1: Sec 22.1 Lymphatic System Structure and Function

9) Which organ produces a hormone that promotes maturation of T cells?

a) Spleenb) Lymph nodec) Red bone marrowd) Thymuse) Pancreas

Answer: d


10) In which part of the thymus are T cells thought to die?

a) Capsuleb) Trabeculaec) Epithelial cellsd) Thymic (Hassall’s) corpusclese) T cells do not die in the thymus

Answer: d

Difficulty: MediumStudy Objective 1: SO 22.1 Understand the various components and major functions of the lymphatic system.Study Objective 2: SO 22.1.4 Compare the structure and functions of the primary and secondary lymphatic organs and tissues.Section Reference 1: Sec 22.1 Lymphatic System Structure and Function

11) Which of the following is a function of the lymphatic system?

a) Drain excessive interstitial fluidb) Transport dietary lipidsc) Carry out immune responsesd) All of these are functions of the lymphatic systeme) None of these are functions of the lymphatic system

Answer: d

Difficulty: EasyStudy Objective 1: SO 22.1 Understand the various components and major functions of the lymphatic system.Section Reference 1: Sec 22.1 Lymphatic System Structure and Function

12) Which of the following is a function of the spleen?

a) Removes worn out blood cellsb) Circulates lymphc) Cleanses interstitial fluidd) Cleanses lymphe) Traps microbes with mucus

Answer: a


13) Which of these does NOT provide a physical or chemical barrier?

a) Macrophagesb) Salivac) Urined) Mucuse) Stratified squamous epithelium

Answer: a

Difficulty: EasyStudy Objective 1: SO 22.3 Describe the components of innate immunity.

Section Reference 1: Sec 22.3 Innate Immunity


14) Describe the barriers used in innate defense.

Answer:

Difficulty: MediumStudy Objective 1: SO 22.3 Describe the components of innate immunity.Section Reference 1: Sec 22.3 Innate ImmunitySolution: Barriers used by the innate defense include epidermis, mucus, hairs, cilia, lacrimal apparatus, saliva, urine, vaginal secretions, sebum, perspiration and gastric juices.


15) Which of these provides a non-specific cellular disease resistance mechanism?

a) Macrophagesb) T lymphocytesc) B lymphocytesd) Memory B cellse) Stratified squamous epithelium

Answer: a

Difficulty: EasyStudy Objective 1: SO 22.3 Describe the components of innate immunity.Section Reference 1: Sec 22.3 Innate Immunity

16) Which anti-microbial substances reduce viral replication (in uninfected cells)?

a) Transferrinsb) Perforinsc) Complement proteinsd) Defensinse) Interferons

Answer: e

Difficulty: Medium

Study Objective 1: SO 22.3 Describe the components of innate immunity.Section Reference 1: Sec 22.3 Innate Immunity

17) Which anti-microbial substances promote cytolysis, phagocytosis and inflammation?

a) Transferrinsb) Perforinsc) Complement proteinsd) Defensinse) Interferons

Answer: c

Difficulty: MediumStudy Objective 1: SO 22.3 Describe the components of innate immunity.Section Reference 1: Sec 22.3 Innate Immunity

18) Which of the following is NOT a sign of inflammation?

a) Rednessb) Painc) Heatd) Mucus productione) Swelling

Answer: d


19) Which of the following intensifies the effect of interferons and promotes the rate of repair?

a) Complement proteinsb) Perforinc) Feverd) Macrophagese) Natural killer cells

Answer: c

Difficulty: EasyStudy Objective 1: SO 22.3 Describe the components of innate immunity.

Section Reference 1: Sec 22.3 Innate Immunity

20) Which chemical(s) do NOT induce vasodilation and permeability (increased fluid flow) to an infection site?

a) Histaminesb) Kininsc) Perforind) Leukotrienese) Complement

Answer: c


21) When B and T cells are fully developed and mature, they are described as being

a) Immunocompetentb) Pluripotent stem cellsc) Primary lymphatic cellsd) Specifically promotede) Germ cells

Answer: a

Difficulty: EasyStudy Objective 1: SO 22.4 Understand the components and functions of adaptive (specific) immunity and compare cell-mediated and antibody-mediated immunity.Study Objective 2: SO 22.4.1 Define adaptive immunity, and describe how T cells and B cells arise.Section Reference 1: Sec 22.4 Adaptive Immunity

22) Which of the following induces the production of a specific antibody?

a) Phagocytosisb) Antigenc) Antibodyd) Defensine) Immunoglobulin

Answer: b

Difficulty: EasyStudy Objective 1: SO 22.4 Understand the components and functions of adaptive (specific) immunity and compare cell-mediated and antibody-mediated immunity.Study Objective 2: SO 22.4.2 Explain the relationship between an antigen and an antibody.Section Reference 1: Sec 22.4 Adaptive Immunity

23) Which of the following stimulates an immune response ONLY when it is attached to a large carrier molecule?

a) Epitopeb) Antigenc) Haptend) MHC antigene) CD8

Answer: c

Difficulty: EasyStudy Objective 1: SO 22.4 Understand the components and functions of adaptive (specific) immunity and compare cell-mediated and antibody-mediated immunity.Study Objective 2: SO 22.4.2 Explain the relationship between an antigen and an antibody.Section Reference 1: Sec 22.4 Adaptive Immunity

24) Genetic recombination generates diversity in what part (s) of the immune system?

a) Antigen receptorsb) MHC antigenc) Haptend) MHC antigen and antigen receptorse) Epitopes

Answer: d

Difficulty: MediumStudy Objective 1: SO 22.4 Understand the components and functions of adaptive (specific) immunity and compare cell-mediated and antibody-mediated immunity.Study Objective 2: SO 22.4.2 Explain the relationship between an antigen and an antibody.Section Reference 1: Sec 22.4 Adaptive Immunity

25) Which class of cells includes macrophages, B cells and dendritic cells?

a) Antigen presenting cells

b) Primary lymphocytesc) T cellsd) RBCe) Epitope cells

Answer: a


26) To become activated, which of the following requires being bound to a foreign antigen AND simultaneous costimulation?

a) B Cellb) T Cellc) Interferond) MHC antigene) Antigen presenting cell

Answer: b

Difficulty: HardStudy Objective 1: SO 22.5 Understand the components and functions of the cell-mediated immune response.Study Objective 2: SO 22.5.1 Outline the steps in a cell-mediated immune response.Section Reference 1: Sec 22.5 Cell-mediated Immunity

27) Which cells display CD4 proteins and interact with MHC Class II antigens?

a) Cytotoxic T cellsb) Helper T Cellsc) Memory T Cellsd) MHC antigense) B cells

Answer: b

Difficulty: MediumStudy Objective 1: SO 22.5 Understand the components and functions of the cell-mediated immune response.Study Objective 2: SO 22.5.1 Outline the steps in a cell-mediated immune response.

Section Reference 1: Sec 22.5 Cell-mediated Immunity

28) Which T cell toxin fragments DNA?

a) Perforinb) Tumor antigenc) Interferonsd) Lymphotoxine) Toxin T

Answer: d

Difficulty: MediumStudy Objective 1: SO 22.5 Understand the components and functions of the cell-mediated immune response.Study Objective 2: SO 22.5.1 Outline the steps in a cell-mediated immune response.Section Reference 1: Sec 22.5 Cell-mediated Immunity


29) List the five actions of antibodies.

Answer:

Difficulty: MediumStudy Objective 1: SO 22.6 Understand the components and functions of the antibody-mediated immune response.Study Objective 2: SO 22.6.2 List the chemical characteristics and actions of antibodies.Section Reference 1: Sec 22.6 Antibody-mediated ImmunitySolution: Antibodies can act as a neutralizing agent, they can immobilize bacteria, agglutinate and precipitate the antigen, activate the complement and enhance phagocytosis.


30) Which class of antibodies is mainly found in sweat, tears, breast milk and GI secretions?

a) IgGb) IgAc) IgMd) IgDe) IgE

Answer: b

Difficulty: MediumStudy Objective 1: SO 22.6 Understand the components and functions of the antibody-mediated immune response.Study Objective 2: SO 22.6.2 List the chemical characteristics and actions of antibodies.Section Reference 1: Sec 22.6 Antibody-mediated Immunity

31) Which of the following leads to inflammation, enhancement of phagocytosis and lysis of microbes?

a) Classical complement systemb) Alternative complement systemc) Apoptosisd) Classical and Alternative complement systemse) Hapten activation

Answer: d

Difficulty: MediumStudy Objective 1: SO 22.6 Understand the components and functions of the antibody-mediated immune response.Study Objective 2: SO 22.6.3 Explain how the complement system operates.Section Reference 1: Sec 22.6 Antibody-mediated Immunity

32) Which action makes microbes more susceptible to phagocytosis?

a) Opsonizationb) Cytolysisc) Inflammationd) Complemente) Hybridoma

Answer: a

Difficulty: EasyStudy Objective 1: SO 22.6 Understand the components and functions of the antibody-mediated immune response.Study Objective 2: SO 22.6.3 Explain how the complement system operates.Section Reference 1: Sec 22.6 Antibody-mediated Immunity

33) Which of the following is an inactive, self responsive cell?

a) Deleted cellb) Hybridoma cellc) Epitopic celld) Anergy celle) Natural killer cell

Answer: d

Difficulty: MediumStudy Objective 1: SO 22.7 Describe how self-recognition and self-tolerance develop.Section Reference 1: Sec 22.7 Self-Recognition and Self-Tolerance

34) In the diagram, where do pluripotent stem cells come from?

a) Ab) Bc) Cd) D

e) None of these choices

Answer: b

Difficulty: MediumStudy Objective 1: SO 22.1 Understand the various components and major functions of the lymphatic system.Study Objective 2: SO 22.1.1 List the components and major functions of the lymphatic system.Section Reference 1: Sec 22.1 Lymphatic System Structure and Function

35) In the diagram, where do T cells mature?

a) Ab) Bc) Cd) De) None of these choices

Answer: a



36) What does this diagram represent?

Answer:

Difficulty: EasyStudy Objective 1: SO 22.1 Understand the various components and major functions of the lymphatic system.Study Objective 2: SO 22.1.2 Describe the organization of lymphatic vessels.Section Reference 1: Sec 22.1 Lymphatic System Structure and FunctionSolution: The one-way flow of lymph through a lymph vessel.


37) In the diagram this vessel drains lymph from the upper right side of the body into venous blood using a subclavian vein.

a) Bb) Cc) Fd) Ge) E

Answer: b

Difficulty: MediumStudy Objective 1: SO 22.1 Understand the various components and major functions of the lymphatic system.Study Objective 2: SO 22.1.2 Describe the organization of lymphatic vessels.Section Reference 1: Sec 22.1 Lymphatic System Structure and Function

38) Which region includes B cells, follicular dendritic cells and macrophages?

a) Bb) Cc) Dd) Ee) F

Answer: b


39) In the diagram, which region includes B cells, plasma cells and macrophages?

a) Bb) Cc) Dd) Ee) None of these choices

Answer: c



40) Describe what is happening in the diagram.

Answer:

Difficulty: EasyStudy Objective 1: SO 22.4 Understand the components and functions of adaptive (specific) immunity and compare cell-mediated and antibody-mediated immunity.Study Objective 2: SO 22.4.3 Compare the functions of cell-mediated immunity and antibody-mediated immunity.Section Reference 1: Sec 22.4 Adaptive ImmunitySolution: The diagram represents processing and presenting of exogenous antigen by an antigen-presenting cell.


41) The inability of the immune system to protect the body from a pathogen causes

a) immunodeficiency diseasesb) allergyc) autoimmune diseased) transplantationse) graft

Answer: a

Difficulty: EasyStudy Objective 1: SO 22.11 Describe the disorders of the lymphatic system.

Section Reference 1: Disorders: Homeostatic Imbalances that Affect the Lymphatic System and Immunity

42) An acute allergic response can lead to:

a) transplantationb) retrovirusesc) anaphylactic shockd) passive immunitye) active immunity

Answer: c

Difficulty: MediumStudy Objective 1: SO 22.11 Describe the disorders of the lymphatic system.Section Reference 1: Disorders: Homeostatic Imbalances that Affect the Lymphatic System and Immunity

43) Natural exposure to an infectious agent leads to:

a) Passive immunityb) Active immunityc) Both of these choicesd) None of these choices

Answer: b

Difficulty: EasyStudy Objective 1: SO 22.6 Understand the components and functions of the antibody-mediated immune response.Study Objective 2: SO 22.6.4 Distinguish between a primary response and a secondary response to infection.Section Reference 1: Sec 22.6 Antibody-mediated Immunity

44) Which class of antibodies indicates a recent invasion?

a) IgAb) IgEc) IgMd) IgDe) IgG

Answer: c

Difficulty: MediumStudy Objective 1: SO 22.6 Understand the components and functions of the antibody-mediated immune response.Study Objective 2: SO 22.6.4 Distinguish between a primary response and a secondary response to infection.Section Reference 1: Sec 22.6 Antibody-mediated Immunity

45) Which of the following cells is part of the body’s second line of defense?

a) Mucous cellsb) Germ cellsc) B and T Lymphocytesd) Natural killer cellse) None of these choices

Answer: d


46) Which of the following cells is the most variable cell in the immune system?

a) Natural killer cellb) Monocytec) RBCd) Lymphocytee) Macrophage

Answer: d

Difficulty: HardStudy Objective 1: SO 22.3 Describe the components of innate immunity.Section Reference 1: Sec 22.3 Innate Immunity

47) The primary response will peak how many days after an exposure?

a) 1 day or lessb) 2–7c) 10–17d) 20–30e) Over a month

Answer: c

Difficulty: MediumStudy Objective 1: SO 22.6 Understand the components and functions of the antibody-mediated immune response.Study Objective 2: SO 22.6.4 Distinguish between a primary response and a secondary response to infection.Section Reference 1: Sec 22.6 Antibody-mediated Immunity

48) Which type of immunity defends against any type of invader?

a) Nonspecificb) Specificc) Cell mediatedd) Antibody mediated immunitye) None of these choices

Answer: a


49) The ability of an antigen to react specifically with the antibodies or cells it has provoked is called

a) Specificityb) Immunogenicityc) Reactivityd) Epitopese) Immune Response

Answer: c


50) Which of the following is a small hormone that can stimulate or inhibit many normal cell functions?

a) Enzymeb) Kininsc) Cytokined) MHCe) Leukocyte

Answer: c

Difficulty: MediumStudy Objective 1: SO 22.4 Understand the components and functions of adaptive (specific) immunity and compare cell-mediated and antibody-mediated immunity.Study Objective 2: SO 22.4.3 Compare the functions of cell-mediated immunity and antibody-mediated immunity.Section Reference 1: Sec 22.4 Adaptive Immunity

51) Which structure in the figure is the main duct for the return of lymph to the blood?

a) A

b) Fc) Gd) Ce) H

Answer: a

Difficulty: MediumStudy Objective 1: SO 22.1 Understand the various components and major functions of the lymphatic system.Study Objective 2: SO 22.1.1 List the components and major functions of the lymphatic system.Section Reference 1: Sec 22.1 Lymphatic System Structure and Function

52) Which structure in the figure is a lymphatic vessel?

a) Bb) Cc) Dd) J

e) G

Answer: e


53) Which structure in the figure is the cisterna chyli?

a) Jb) Cc) Fd) He) A

Answer: c

Difficulty: EasyStudy Objective 1: SO 22.1 Understand the various components and major functions of the lymphatic system.Study Objective 2: SO 22.1.1 List the components and major functions of the lymphatic system. Section Reference 1: Sec 22.1 Lymphatic System Structure and Function

54) Which structure in the figure is the right lymphatic duct?

a) Db) Cc) Fd) He) A

Answer: d

Difficulty: Easy

Study Objective 1: SO 22.1 Understand the various components and major functions of the lymphatic system.Study Objective 2: SO 22.1.1 List the components and major functions of the lymphatic system.Section Reference 1: Sec 22.1 Lymphatic System Structure and Function

55) Lymph flowing from the afferent lymphatic vessel will travel next to which structure in the figure?

a) Ab) Bc) Cd) De) E

Answer: b

Difficulty: HardStudy Objective 1: SO 22.1 Understand the various components and major functions of the lymphatic system.Study Objective 2: SO 22.1.3 Explain the formation and flow of lymph.Section Reference 1: Sec 22.1 Lymphatic System Structure and Function

56) Lymph travels to the efferent lymphatic vessel from which structure in the figure?


Answer: d


57) Lymph travels from the medullary sinus to which structure in the figure?


Answer: e


58) Lymph travels to the subcapsular sinus from which structure in the figure?


Answer: a


59) What type of cell is located in area B in the figure?

a) B cellsb) dendritic cellsc) macrophagesd) T cellse) plasma cells

Answer: a

Difficulty: HardStudy Objective 1: SO 22.1 Understand the various components and major functions of the lymphatic system.Study Objective 2: SO 22.1.4 Compare the structure and functions of the primary and secondary lymphatic organs and tissues.Section Reference 1: Sec 22.1 Lymphatic System Structure and Function

60) What types of cells are located in area C in the figure?

a) B cells and follicular dendritic cellsb) B cells and plasma cellsc) macrophages and B cellsd) T cells and dendritic cellse) plasma cells and macrophages

Answer: d


61) Plasma cells are located in which area in the figure?

a) Ab) Bc) Cd) De) None of these choices

Answer: d


62) Which type of adaptive immunity will result from intravenous injection of immunoglobulins?

a) naturally acquired active immunityb) naturally acquired passive immunityc) artificially acquired active immunity

d) artificially acquired passive immunitye) None of these choices

Answer: d

Difficulty: HardStudy Objective 1: SO 22.6 Understand the components and functions of the antibody-mediated immune response.Study Objective 2: SO 22.6.4 Distinguish between a primary response and a secondary response to infection.Section Reference 1: Sec 22.6 Antibody-mediated Immunity

63) Which type of adaptive immunity will result from mother-to-baby IgA transfer via breast feeding?

a) naturally acquired active immunityb) naturally acquired passive immunityc) artificially acquired active immunityd) artificially acquired passive immunitye) None of these choices

Answer: b

Difficulty: HardStudy Objective 1: SO 22.6 Understand the components and functions of the antibody-mediated immune response.Study Objective 2: SO 22.6.4 Distinguish between a primary response and a secondary response to infection.Section Reference 1: Sec 22.6 Antibody-mediated Immunity

64) Natural passive immunity is associated with which of the following?

a) Vaccinationb) Exposure to a microbe resulting in antibody formationc) Receiving booster shotsd) Transfer of IgG from mother to fetuse) Intravenous injection of antibodies

Answer: d

Difficulty: MediumStudy Objective 1: SO 22.6 Understand the components and functions of the antibody-mediated immune response.

Study Objective 2: SO 22.6.4 Distinguish between a primary response and a secondary response to infection.Section Reference 1: Sec 22.6 Antibody-mediated Immunity

65) Which cells increase the permeability of blood vessels by releasing histamine?

a) neutrophilsb) eosinophilsc) lymphocytesd) mast cellse) macrophages

Answer: d


66) Which cytokine released by macrophages acts on the hypothalamus to raise the body temperature during fever?

a) Interleukin-1b) Interleukin-2c) Interleukin-4d) Gamma interferone) Perforin

Answer: a

Difficulty: HardStudy Objective 1: SO 22.4 Understand the components and functions of adaptive (specific) immunity and compare cell-mediated and antibody-mediated immunity.Study Objective 2: SO 22.4.2 Explain the relationship between an antigen and an antibody.Section Reference 1: Sec 22.4 Adaptive Immunity

67) Antigens that induce an allergic reaction are called

a) lymphotoxinb) perforinc) granulysind) interleukin-1e) allergen

Answer: e

Difficulty: EasyStudy Objective 1: SO 22.11 Describe the disorders of the lymphatic system.Section Reference 1: Disorders: Homeostatic Imbalances that Affect the Lymphatic System and Immunity

68) Which cell is considered to be the most important cell in the immune system?

a) Cytotoxic T Cellsb) B lymphocytesc) T Helper cellsd) Eosinophilse) macrophages

Answer: c

Difficulty: HardStudy Objective 1: SO 22.5 Understand the components and functions of the cell-mediated immune response.Study Objective 2: SO 22.5.2 Distinguish between the action of natural killer cells and cytotoxic T cells.Section Reference 1: Sec 22.5 Cell-mediated Immunity

69) Which of the following is NOT an effect of aging on the immune system?

a) Increased susceptibility to infectionsb) Increased susceptibility to malignanciesc) Decreased response to vaccinesd) Increased response of T cells to antigense) Decreased production of antibodies

Answer: d

Difficulty: EasyStudy Objective 1: SO 22.9 Describe the effects of aging on the immune system.Section Reference 1: Sec 22.9 Aging and the Immune System

70) Which of the following is an effect of stress on the immune system?

a) Increased activity of T lymphocytesb) Increased activity of B lymphocytesc) Activation of the immune system

d) Inhibition of the immune systeme) Increased production of antibodies

Answer: d

Difficulty: EasyStudy Objective 1: SO 22.8 Describe the effects of stress on immunity.Section Reference 1: Sec 22.8 Stress and Immunity

71) Which cells of the immune system are the primary targets the HIV virus?

a) B cellsb) helper T cellsc) cytotoxic T cellsd) antigen-presenting cellse) all of these cells are affected by HIV

Answer: b

Difficulty: MediumStudy Objective 1: SO 22.11 Describe the disorders of the lymphatic system.Section Reference 1: Disorders: Homeostatic Imbalances that Affect the Lymphatic System and Immunity

72) Which type of allergic reaction is the most common type?

a) Type I (anaphylactic) reactionb) Type II (cytotoxic ) reactionc) Type III (immune-complex) reactionsd) Type IV (cell-mediated) reactionse) All of these types are common allergic reactions.

Answer: a

Difficulty: MediumStudy Objective 1: SO 22.11 Describe the disorders of the lymphatic system.Section Reference 1: Disorders: Homeostatic Imbalances that Affect the Lymphatic System and Immunity.

73) Which of the following organ systems is NOT aided by the MALT (mucosa-associated lymphatic tissue)?

a) Respiratory system

b) Digestive systemc) Muscular systemd) Urinary systeme) Reproductive system

Answer: c

Difficulty: MediumStudy Objective 1: SO 22.10 Describe how the lymphatic system contributes to homeostasis.Section Reference 1: Focus on Homeostasis: The Lymphatic System and Immunity

74) Which of the following is an incorrect matching of immune system cells and their functions?

a) Macrophage – process and presentation of foreign antigens to T cellsb) Dendritic cell – processes and presents antigen to T and B cellsc) B cells – process and presents antigen to helper T cellsd) Plasma cell – produces and secretes antibodiese) All of these are correct matching of the cells and their functions

Answer: e

Difficulty: MediumStudy Objective 1: SO 22.7 Describe how self-recognition and self-tolerance develop.Section Reference 1: Sec 22.7 Self-Recognition and Self-Tolerance

Question Type: Essay

75) Describe the ways to acquire adaptive immunity.

Difficulty: MediumStudy Objective 1: SO 22.6 Understand the components and functions of the antibody-mediated immune response.Study Objective 2: SO 22.6.4 Distinguish between a primary response and a secondary response to infection.Answer: Naturally acquired active immunity is acquired following exposure to a microbe, antigen recognition by B and T cells and costimulation leading to formation of antibody-secreting plasma cells, cytotoxic T cells, and B and T memory cells. Naturally acquired passive immunity occurs when IgG antibodies are transferred from mother to fetus across the placental barrier or IgA antibodies are transferred from mother to infant during breast-feeding. Artificially acquired active immunity is acquired via antigens introduced during vaccinations. Artificially acquired passive immunity is acquired via intravenous injection of immunoglobulins.

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