ing you, he decides to give the child over the counte medication to reduce the f
ID: 268341 • Letter: I
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ing you, he decides to give the child over the counte medication to reduce the fever quickly. Which of the following could occur as a result of his decision? a. The child b. The child c. Your husband will never be left alone to make decisions about the child's health. d. The underlying infection may persist longer as the fever is an adaptive response la good thingl. e. The child's immune system will work more rapidly now that the fever has been controlled. 15. Your child has a fever and your husband is concerned. Before consult will be able to recover from the infection much more quickly since the fever is now under control. may develop shock due to massive cell death of the Gram negative bacterial infection 16. Exogenous antigens are processed inside the cell and are fused to to be displayed on the outside surface of the cell. a. IgD b. MHCI e. cytokines c. MHC II d. complement Use the following choices to answer questions 17-19. a. naturally acquired passive immunity c. artificially acquired passive immunity b. naturally acquired active immunity d. artificially acquired active immunity 17. Immunity resulting from receiving anti-venom following a snake bite 18. Immunity resulting from recovery from an infection is an example of: 19. A newborn's immunity due to transfer of antibodies across the placenta is an example of 20. Which of the following is FALSE regarding the antibody mediated response? a. B cell activation is involved b. It is most effective against viral and intracellular pathogens. c. Plasma cells actively secrete antibodies d. It detects exogenous pathogens. e. It often recruits the complement system lafter antibodies have bound antigen). 21. Activation of the complement system can cause direct lysis of the invading microbe due to: d. interaction with antibodies Questions 22-24. Match the immunoglobulin to its main function or characteristic. 22. igM 24, IgD c. phagocytosis e. formation of a membrane attack complex a. found on surface of B cells and act as B cell receptors b. involved in allergic reactions c. found in milk, saliva, and on mucous membranes secreted as a dimer d, accounts for 75% of all mmunoglobulins circulatinEinthe blood, secreted as a monomer e. large pentamer that is the 'first responder' binding lots of antigen 25. These immune cells contain CD8 glycoprotein receptors on their surface and interact with MHCI protein. They directly kill cancer cells and virally infected cells. a. helper T cells b. plasma cells c. cytotoxic T cells d. B cells e. antigen presenting cells 26. Theoretically, any nucleated cell of your body could alert the specific immune system of an invader. Which step in endogenous antigen processing is random, potentially causing invaders to go undetected? a. Fusion of phagosome and lysosome is blocked. b. Antigen presenting cell cannot adhere to the microbe c. Membrane vesicles containing MHC I may not be packaged in the same vesicle as endogenous antigens. d. Complement system is not stimulated by antibodies binding to antigen e. Endogenous antigen processing is not a random process. None of these answers fit. 27. Endogenous antigen processing is generallyinvolving MHC I protein and a, antiviral //? cells. b. antibacterialB antibacterial I Tc d antiviral //T? e. antiviral //Tc 28. Mark the characteristie that applies to plasma cells a. are made during clonal selection of T cells d. make lots of antibodies b. live a life time e. contain CD4 receptors c. act as antigen presenting cellsExplanation / Answer
Fever is a natural way by which body raises it's temperature which inhibits growth of many microorganism. Fever is a result of some infection. Thus, even after fever may go down , the underlying infection may persist if proper medicines are not taken against the causative agent.
Option (d) the underlying infection may persist longer as the fever is an adaptive response (a good thing ).
Ans16-: exogenous antigen bind to --
MHC II
Ans17: artificially acquired passive immunity.
Ans18; naturally acquired active immunity.
Ans 19: naturally acquired passive immunity.
Note: passive immunity involves gain of antobodies from external source like mother (natural) or antivenom or medicines (artificial).
Active immunity involves creation of antibodies by the body itself.
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