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