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- 12. Which of the following statements is not true about active immunity? Select one: a. It forms a specific defense against a particular antigen b. It will last for some time c. The particular antibody formed will react against many different antigens d. It is the result of T cell and B cell activity e. An antigen-antibody reaction must occur 15. What is released by macrophages and dendritic cells to stimulate the immune response? Select one: a. Histamines b. Antigens c. Lymphatic fluids d. Antibodies e. Cytokines6. Match the example/scenario provided to the type of humoral immunity. a. active, naturally acquired b. active, artificially acquired mak c. passive, naturally acquired d. passive, artificially acquired Recent research has shown promise in the treatment of stomach cancer. Patients given a monoclonal antibody that binds to the cancer cells, elicits the immune response to kill the cancer cell. What type of immunity is this an example of? Timothy, a three-year-old, was playing on the playground when he picked up a piece of chewed gum an adult had thrown on the ground. The next day, he ran a fever and was vomiting which his mom attributed to him picking up of immunity is this an example of? the gum and eating it. Assuming this is true, what type In 1950-1960, a vaccine to combat polio was developed. Two types of vaccines were created, an oral vaccine that contained live attenuated (less disease causing) virus and later an inactivated polio vaccine. What type of immunity is this an example…16. Which cell type assist and interact with both humoral and cell-mediated immunity? A. Macrophages B. Cytotoxic T cells C. Memory T cells D. Helper T cells 17. Which of these cells are involved in cell-mediated immunity by destroying virally infected cells and rejecting organ transplants? A. Natural killer cells B. B cells C. Macrophages D. Cytotoxic T cells 18. Identify the junction between an axon and another cell. A. Synapse B. Presypnaptic cell C. Postsypnaptic cell D. Neurotransmitter
- body: a. Active Artificial Acquired Immunity b. Passive Natural Acquired Immunity 17. ype of Immunity that is acquired in response to the entry of a live pathogen into the c. Passive Artificial Acquired Immunity d. Active Natural Acquired Immunity Lifelong immunity to chickenpox is acquired through a. Active Artificial Acquired Immunity b. Passive Natural Acquired Immunity 18. Antibodies injection is an example of a. Active Artificial Acquired Immunity b. Passive Natural Acquired Immunity c. Passive Artificial Acquired Immunity d. Active Natural Acquired Immunity 19. On the other hand, vaccines to stimulate immunity is an example of: Active Artificial Acquired Immunity c. Passive Artificial Acquired Immunity b. Passive Naturai Acquired Immunity d. Active ÎNatural Acquired immunity a. C. Passive Artificial Acquired Immunity d. Active Natural Acquired Immunity Jomel was bitten by a stray dog. She was injected by antibodies and antirabies vaccine.15.In innate immunity, physical and chemical barriers serve as the human body's first line of defense. One of the chemical barriers is the sebum. How does the sebum function to protect the body from invasion and infection of pathogens? Note: This is a multiple question, choose the correct answer below: Sebum dilutes the number of microorganisms and washes the teeth and mouth. Sebum filters inhaled air by forming a trap for pathogens and dust. Sebum produces an acid that kills microorganisms in ingested food. Sebum provides a protective layer on the skin to inhibit growth of microorganisms.1. What physical barrier and non-specific defenses help to prevent infection? How is a "non- specific" defense different from a "specific" defense? 2. Non-specific immunity is also called_immunity while specific immunity is called 3. Describe the roles of complement proteins, cilia (in lungs), natural killer cells and phagocytes. How are these non-specific defenses? 4. Describe the inflammatory response. Describe how this happens. 5. How is the immune system (and inflammation) related to allergies? 6. What is an antigen? How does your immune system recognize it? 7. What is an antibody? 8. Know the difference between B cells, killer T cells, and helper T cells. What do they do? Where are they produced, what type of immunity they provide, how do they kill foreign organisms. 9. Describe how the immune system responds to an infection..basically know how a B cell is activated and how it makes antibodies. 10. What is the difference between a primary and a secondary immune response? 11. What…
- 22. Which of the following is NOT a characteristic of cell- mediated immunity? a. The cells originate in bone marrow b. Cells are processed in the thymus gland c. The activation of cell-mediated immunity can be suppressed d. They are antigen presenting cells e. All of the above are characteristics of cell-mediated immunity 23. All of the following could be possibly target sites for antimicrobials to limit the possibility of side effects except a. peptidoglycan b. parasitic glycolytic enzymes c. ergosterol C. d. RNA polymerase DNA gyrase e. 24. Lysogeny can result in all of the following EXCEPT a. persistent infections b. a bacteria expressing new genes c. transduction of genes C. d. the turning off of the host cell's transcriptional and translational machinery e. the definite destruction of an infected cell 25. Due to your patient's opsonization of a bacterial cell with C₂B, which of following did NOT occur a. interference of the patient's secondary viral infection b. bacterial cell…10. Injecting antibodies from a human donor who is immune to a disease is ... A. natural active acquired immunity. B. natural passive acquired immunity. C. artificial active acquired immunity. D. artificial passive acquired immunity. E. none of the above 37. _ (blank) _ produce antibodies that are released into the bloodstream. Select one: a. B cells b. T cells c. Plasma cells d. Memory cells e. Mast cells 8. What is produced by white blood cells and act to stimulate other white blood cells? Select one: a. Immunoglobulins b. Histamines c. Interferons d. Interleukins e. Complements 9. An important step in the body's second line of defense is to identify the pathogen's _ (blank) _. Select one: a. Antibodies b. Histamines c. Antigens d. Cytokines e. Interferons
- 1. Differentiate innate and adaptive immunity? 2. What cells in the innate immunity are responsible for causing phagocytosis? 3. What are the major cells involved in eliciting the actions of adaptive immunity?The four characteristics of adaptive immunity include all of the following except a. activation by a specific antigen. b. memory. c. production of clones of cells that have the same TCR or BCR. d. effective against a wide array of pathogens.5. A patient receives a donor kidney to replace diseased kidney tissue. Consider and answer the following: B) list two similarities and two differences between response mechanisms of natural killer cells and cytotoxic T cells to the tissue graft in the absence of immune suppression.