Chapter 21 The Lymphatic and Immune Systems

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Chapter 21  The Lymphatic and Immune Systems

 

 

Complete chapter Questions And Answers
 

Sample Questions

 

 

True / False Questions

  1. Lymph originates in blood capillaries that pick up tissue fluid.

    FALSE

    Blooms Level: 1. Remember Gradable: automatic HAPS Objective: L02.04 Describe the mechanisms of lymph formation and circulation. HAPS Topic: Module L02 Lymph and lymphatic vessels. Learning Outcome: 21.01b Explain how lymph forms and returns to the bloodstream. Section: 21.01 Topic: General functions of the lymphatic system and lymph Topic: Pathways of lymphatic drainage

  2. Red bone marrow is the point of origin of all immune cells of the lymphatic system.

    TRUE

    Blooms Level: 2. Understand Gradable: automatic HAPS Objective: L02.04 Describe the mechanisms of lymph formation and circulation. HAPS Topic: Module L02 Lymph and lymphatic vessels. Learning Outcome: 21.01b Explain how lymph forms and returns to the bloodstream. Learning Outcome: 21.01e Describe the structure and function of the red bone marrow, thymus, lymph nodes, tonsils, and spleen. Section: 21.01 Topic: Anatomy of lymphatic cells, tissues, and organs

  3. Mucous membranes prevent most pathogens from entering the body because of the stickiness of the mucus and the presence of lysozymes.

    TRUE

    Blooms Level: 1. Remember Gradable: automatic

HAPS Objective: L03.02d Describe the function of the lymph nodes, thymus, spleen, tonsils and other aggregations of mucosae-associated lymphatic tissue (MALT). HAPS Topic: Module L03 Lymphatic cells, tissues, and organs. Learning Outcome: 21.02b Identify the body’s three lines of defense against pathogens. Section: 21.02 Topic: Nonspecific immunity

4.

Interferons are secreted in response to bacterial infections.

FALSE

Blooms Level: 1. Remember Gradable: automatic HAPS Objective: L05.05 Explain how complement and interferon function as antimicrobial chemicals. HAPS Topic: Module L05 Innate (nonspecific) defenses. Learning Outcome: 21.02e Describe the immune roles of interferons and the complement system. Section: 21.02 Topic: Nonspecific immunity

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  1. Pus is made of dead neutrophils, macrophages, and other tissue debris from a damaged tissue.

    TRUE

    Blooms Level: 1. Remember Gradable: automatic HAPS Objective: L04.03 Describe the roles of various types of leukocytes in innate and adaptive body defenses. HAPS Objective: L05.07b Summarize the cells and chemicals involved in the inflammatory process. HAPS Topic: Module L04 Introduction to innate (nonspecific) defenses & adaptive (specific) defenses HAPS Topic: Module L05 Innate (nonspecific) defenses. Learning Outcome: 21.02g Describe the process of inflammation and explain what accounts for its cardinal signs. Section: 21.02 Topic: Nonspecific immunity

  2. Pyrogens act by increasing the set point for body temperature in the thalamus.

    FALSE

    Blooms Level: 1. Remember Gradable: automatic HAPS Objective: L05.08a Describe the mechanism of fever and the role of pyrogens. HAPS Topic: Module L05 Innate (nonspecific) defenses. Learning Outcome: 21.02f Explain how fever serves a protective role against pathogens. Section: 21.02 Topic: Nonspecific immunity

  3. The antigenicity of a molecule is due to specific regions of it called haptens.

    FALSE

    Blooms Level: 1. Remember Gradable: automatic HAPS Objective: L07.01 Define antigen and antigen receptor. HAPS Objective: L07.02 Distinguish among complete antigens, haptens, antigenic determinants and self-antigens. HAPS Topic: Module L07 Antigens and antigen processing. Learning Outcome: 21.03c Describe the chemical properties of antigens. Section: 21.03 Topic: Antigens and antigen processing

  4. Interleukins are chemical signals by which immune cells communicate with each other.

    TRUE

    Blooms Level: 1. Remember Gradable: automatic HAPS Objective: L05.07b Summarize the cells and chemicals involved in the inflammatory process. HAPS Topic: Module L05 Innate (nonspecific) defenses. Learning Outcome: 21.03f Describe the general roles played by lymphocytes, antigen-presenting cells, and interleukins in the immune response. Section: 21.03 Topic: Adaptive immunity

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