Immunity to a virus is demonstrated by Question 27 options: 1) presence of the viral antigen 2) increased numbers of white blood cells 3) anti-viral IgM antibody response 4) anti-viral IgG antibody response 5) All of the above
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Immunity can be demonstrated through various markers in the body, including the presence of antibodies and immune responses. Show more…
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You are working in a lab as a lab tech. Postdoc asks you to design an experiment to differentiate innate and adaptive immunity. Which of the following cannot be used as a measurement? the number of memory T cells the response to repeat infection the amount of IgG the amount of IL-1 the amount of bacteria in the body
Adi S.
QUESTION 22 Components of the innate immune system include all of the following EXCEPT: 1. Chemical factors and cytokines 2. Phagocytes 3. Lymphocytes 4. Mechanical barriers
Md.Daniyal A.
Classify cells / processes listed in questions 21 – 27 as: a. external, nonspecific [innate] immunity b. internal, nonspecific [innate] immunity c. specific [adaptive] immunity 21. Fever 22. cytotoxic T cells 23. stomach acid 24. interferons 25. antibodies 26. neutrophils 27. mucus 28. Interferons... a. protect the cell synthesizing it from viral attack. b. signal cells nearby to synthesize antiviral proteins. c. directly block viral attachment to nearby cells. d. degrade viral nucleic acids. e. have none of these effects. 29. Basophils, neutrophils, and mast cells contain granules filled with this pro-inflammatory chemical: a. antibodies b. antigens c. digestive enzymes d. lysozyme e. histamine 30. The term _ _ is given to any substance that could stimulate a specific immune system response. Most of these will have complex shape. a. antibody b. allergen c. antigen d. complement e. immunoglobulin 31. B cells can be activated a couple different ways. The most common way involves: a. Helper T cells b. antibody c. complement proteins d. memory cells e. Cytotoxic T cells 32. Your child has a fever and your partner is concerned. Before consulting you, your partner decides to give the child over the counter medication to reduce the fever quickly. Which of the following could occur as a result of your partner’s decision? a. The child will be able to recover from the infection much more quickly since the fever is now under control. b. The child may develop shock due to massive cell death of the Gram negative bacterial infection. c. The underlying infection may take longer to recover from as the fever is a beneficial response. d. The child’s immune system will work more rapidly now that the fever has been controlled. e. Your partner will never be left alone to make decisions about the child’s health. 33. These cells are short-lived and secrete lots of antibodies or immunoglobulins. a. B cells b. Mast cells c. Basophils d. Cytotoxic T cells e. Plasma cells Use the following choices to answer questions 34-39. a. naturally acquired passive immunity b. naturally acquired active immunity c. artificially acquired passive immunity d. artificially acquired active immunity 34. Immunity resulting from recovery from an infection such as strep throat is an example of: 35. A fetus’ immunity due to transfer of antibodies across the placenta is an example of: 36. Immunity resulting from receiving a tetanus shot is an example of: 37. A hiker bitten by a venomous snake receiving an antidote or antiserum against the venom is an example of: 38. COVID-19 patients receiving convalescent plasma that contains antibodies against the virus made by other people infected with
Sri K.
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