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Basic Immunology: Functions and Disorders of the Immune System 4th Edition Test Bank

Basic Immunology: Functions and Disorders of the Immune System 4th Edition Test Bank simplifies tough topics and provides all the necessary study resources for a stress-free exam.

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Abbas: Basic Immunology,4thEditionChapter 01:Introduction to the Immune SystemTest BankMULTIPLE CHOICE1.The principal function of the immune system is:A.Defense against cancerB.Repair of injured tissuesC.Defense against microbial infectionsD.Prevention of inflammatory diseasesE.Protection against environmental toxinsANS: CThe immune system has evolved in the setting of selective pressures imposed bymicrobial infections. Although immune responses to cancer may occur, the concept that“immunosurveillance” against cancer is a principal function of the immune system iscontroversial. Repair of injured tissues may be a secondary consequence of the immuneresponses and inflammation. Although the immune system has regulatory features thatare needed to prevent excessive inflammation, prevention of inflammatory diseases is nota primary function. The immune system can protect against microbial toxins, but itgenerally does not offer protection against toxins of nonbiologic origin.2.Which of the following infectious diseases was prevented by the first successfulvaccination?A.PolioB.TuberculosisC.SmallpoxD.TetanusE.RubellaANS: CIn 1798, Edward Jenner reported the first intentional successful vaccination, which wasagainst smallpox in a boy, using material from the cowpox pustules of a milkmaid. In1980, smallpox was reported to be eradicated worldwide by a vaccination program.Effective vaccines against tetanus toxin, rubella virus, and poliovirus were developed inthe 20th century and are widely used. There is no effective vaccine againstMycobacterium tuberculosis.3.A previously healthy 8-year-old boy is infected with an upper respiratory tract virusfor the first time. During the first few hours of infection, which one of the followingevents occurs?A.The adaptive immune system responds rapidly to the virus and keeps the viralinfection under control.B.The innate immune system responds rapidly to the viral infection and keeps theviral infection under control.

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Basic Immunology: Functions And Dis...

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