When immune complexes from the serum are deposited on glomerular basement membrane. Subsequent damage to the membrane is caused mainly by which one of the following? A. NK cells B. major basic protein released by eosinophils C. cytotoxic T cells D. enzymes released by neutrophils E. none of the above
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- In the secondary immune response, naïve B cells are inhibited. Explain the molecular mechanism underlying this phenomenon and how it is relevant in the prevention of hemolytic anemia. Please answer asap and type your answer and do not copy from anywhere pleaseI need short answer Inthe absence of an infection, most granulocytes (neutrophils, eosinophils, basophils) are found circulating in the blood, whereas other subsets of myeloid cells reside in tissues. True or false.Please don't use chatgpt or anything similar. Provide references to each answer. Thanks 1. How does the concept of immunological memory contribute to the effectiveness of vaccination and long-term immunity? Provide examples to illustrate your answer. 2. Explain how the immune system can recognize and target cancer cells. How does this recognition relate to the concept of "self" and "non-self"? 3. How does the immune system recognize and respond to transplanted organs? What strategies can be employed to prevent organ rejection in transplantation?
- Select the best answer or answers from the choices given: The cell type most often invaded by HIV is a(n) (a) eosinophil, (b) cytotoxic T cell, (c) natural killer cell, (d) helper T cell, (e) B cell.Please answer fast Briefly outline the pathway by which the immune system becomes aware of and responds to Streptococcus pneumoniae bacteria (a strict extracellular pathogen) after it infects the body for the first time. Please include the key steps by which the immune system is alerted to the bacteria and the key mechanisms by which it eliminates the pathogen. Please include an illustration!!!Discuss the differences between humoral and cell mediated immunity in terms of chemicals and cells involved in each process as they tackle pathogens. (please do this on text as i cant read writing the best) and also in paragraphs and not a table if possible thank you!)
- Select the best answer or answers from the choices given: Antibodies released by plasma cells are involved in (a) humoral immunity, (b) immediate hypersensitivity reactions, (c) autoimmune disorders, (d) all of the above.Please answer fast and all other wise I will give downvote. 1. Memory T cells in circulation tend to ______ in frequency as we move from young adulthood to old age. a. increase b. decrease 2. Select the incorrect statement concerning memory T cells. a.The two types that predominate in secondary lymphoid organs are central (Tc) and stem cell (TscM). b.The type that is a permanent resident of tissues previously infected is TRM. c.The type that generates lots of effector cytokines is TEM. d.The type that is the most fully differentiated is the TcM. e.The type with the most self-renewal capacity is the TscM. 3. Which of the following is an example of antigen cross presentation? a.An endogenous peptide being presented on MHC class I b.An exogenous peptide being presented on MHC class I c.An endogenous peptide being presented on MHC class II d.An exogenous peptide being presented on MHC class Il e. A B-cell antigen being presented to a T cellThe inflammatory response is a vital component of non-specific immunity. Describe how the inflammatory response is triggered and the major events that follow. Include in your answer the critical molecular and cellular factors involved in the response. Complement, when activated, plays an important role in both specific and non-specific immune responses. Briefly describe the 3 key activities that complement, once activated, can play in protective immunity. (Please answer in dot point format. Thanks)
- PLEASE ANSWER BRIEFLY. Thank you. 1. When the fibrinolytic factors is not regulated by the inhibitors of the fibrinolysis, what will happen? Explain in not more than 2 sentences. 2. Can the complement system act on a non-particulate substance? Why?Acute inflammatory cells are ? Select one: a. ALL b. neutrophilic l c. leucocytes d. WBCI need help with this practice question that asks to put the aspects of immune system (the possible answers) in their correct category: