Statement 1: Dendritic cells are phagocytes with professional antigen-presenting properties. Statement 2: Neutrophils circulate as part of the blood and act as surveillance to detect presence of pathogens. Note: This is a multiple question, choose the correct answer below: Statement 1 is true. Statement 2 is false. Statement 2 is true. Statement 1 is false. Both statements are true. Both statements are false.

Statement 1: Dendritic cells are phagocytes with professional antigen-presenting properties. Statement 2: Neutrophils circulate as part of the blood and act as surveillance to detect presence of pathogens. Note: This is a multiple question, choose the correct answer below: Statement 1 is true. Statement 2 is false. Statement 2 is true. Statement 1 is false. Both statements are true. Both statements are false.

Biology 2e

2nd Edition

ISBN:9781947172517

Author:Matthew Douglas, Jung Choi, Mary Ann Clark

Publisher:Matthew Douglas, Jung Choi, Mary Ann Clark

Chapter42: The Immune System

Section: Chapter Questions

Problem 1VCQ: Figure 42.11 Which of the following statements about T cells is false? Helper T cells release...

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Statement 1: Dendritic cells are phagocytes with professional antigen-presenting properties. Statement 2: Neutrophils circulate as part of the blood and act as surveillance to detect presence of pathogens. Statement 1 is true. Statement 2 is false. Statement 2 is true. Statement 1 is false. Both statements are true. Both statements are false.
1.Statement 1: Antibodies are not specific for each type of antigen encountered by the body. Statement 2: Neutrophils are antigen-presenting cells. Note: This is a multiple question, choose the correct answer below: Statement 1 is true. Statement 2 is false. Statement 2 is true. Statement 1 is false. Both statements are true. Both statements are false
Statement 1: Phagocytosis is one of the mechanisms performed by multicellular organisms as a defense against invading microorganisms and also to remove old and/or damaged cells from the body. Statement 2: Some types of white blood cells in humans are professional phagocytes. A Both statements are true. Statement 1 is true. Statement 2 is false. Both statements are false. D Statement 1 is false. Statement 1 is true.
5.Statement 1: The cell-mediated immune response is brought about by T cells. Statement 2: In humoral immunity, some B cells become memory cells which are long-lived cells that can recognize an antigen that once already infected the body. Note: This is a multiple question, choose the correct answer below: Statement 1 is true. Statement 2 is false. Statement 2 is true. Statement 1 is false. Both statements are true. Both statements are false.
Statement 1: Antibodies are not specific for each type of antigen encountered by the body. Statement 2: Neutrophils are antigen-presenting cells. Statement 1 is true. Statement 2 is false. Statement 2 is true. Statement 1 is false. Both statements are true. Both statements are false.
8. Activation of Lymphocytes: Use the space below to draw the whiteboard drawing from class. Infected body cell Antigen Presenting cell
Statement 1: Major histocompatibility complex proteins help the immune system recognize 'self' vs 'non-self'. Statement 2: Self immunity refers to the ability of the immune system to recognize foreign antigens. Statement 1 is true. Statement 2 is false. Statement 1 is true. Statement 2 is false. Statement 2 is true. Statement 1 is false. Both statements are true. Both statements are false.
All of the following are true of the lymphatic system, EXCEPT: Lymphatic capillaries lie in close physical proximity to arterial and venous capillaries None of the other four answers (all are true of the lymphatic system) Lymph nodes are located at lymphatic vessel junctions It brings microbial antigens into contact with immunologically active cells (lymphocytes and macrophages) Its only important function is to carry interstitial fluid back to the circulatory system
“T-lymphocytes are the most important arm of the immune response in protecting the community against virus infection.” Do you agree with this statement? Explain your reasoning in detail
3) Your skin is the last line of defence against invading microorganisms. True False 4)Lymph, the fluid of the lymphatic system, contains red blood cells to fight infection. True False 5)Many cleaning products contain antibacterial agents. True False
All of the following are true of antigen-presenting cells (APCs) EXCEPT: which option below is the answer? None of the other four answers (All are true statements about APCs) They can interact directly with lymphocytes They include macrophages and dendritic cells APCs by themselves cannot distinguish between different microbial antigens, remember them later, or respond specifically to them They are non-specific cells and they play no role in activating or triggering specific immune responses
“T-lymphocytes are the most important arm of the immune response in protecting the community against virus infection.” Do you agree with this statement? Explain your reasoning