Question 1Multiple ChoiceWhat is the first barrier of the immune system?MacrophagesSkinNeutrophilsDendritic Cells
Question 2Multiple ChoiceWhich cells are known as the 'guard cells' in the immune system?NeutrophilsHelper T cellsMacrophagesB cells
Question 3Multiple ChoiceWhat do neutrophils do that can also harm healthy cells?Generate barriersCommit suicideRelease enzymesNone of the above
Question 4Multiple ChoiceWhich cell acts as the 'brain' of the immune system?Dendritic CellsHelper T cellsMacrophagesB cells
Question 5Multiple ChoiceWhere do dendritic cells travel to activate T cells?Bone MarrowLymph NodeSpleenThymus
Question 6Multiple ChoiceWhat do B cells produce when activated?EnzymesAntibodiesNeutrophilsMacrophages
Question 7Multiple ChoiceWhat is the role of helper T cells in relation to B cells?Activate B cellsProduce antibodiesCommit suicideRelease enzymes
Question 8Multiple ChoiceWhat happens to neutrophils after they have fought for five days?They become macrophagesThey commit suicideThey turn into dendritic cellsThey release enzymes
Question 9Multiple ChoiceWhat type of proteins do B cells produce to fight infections?AntigensEnzymesAntibodiesHormones
Question 10Multiple ChoiceWhat is the function of memory T cells?Fight current infectionActivate B cellsStore information for future immunityProduce antibodies
Question 11Multiple ChoiceHow do macrophages kill bacteria?By releasing enzymesBy generating barriersBy devouring themBy producing antibodies
Question 12Multiple ChoiceWhich cells are responsible for inflammation during an immune response?MacrophagesNeutrophilsHelper T cellsDendritic cells
Question 13Multiple ChoiceWhat triggers the dendritic cells to become active?Signals from soldiersHigh bacterial populationPresence of antibodiesRelease of enzymes
Question 14Multiple ChoiceWhat is the fate of most immune cells after an infection is cleared?They turn into memory cellsThey commit suicideThey become macrophagesThey remain active
Question 15Multiple ChoiceWhich cells duplicate rapidly to form memory T cells?Helper T cellsNeutrophilsDendritic cellsMacrophages
Question 16Multiple ChoiceHow long does it take for dendritic cells to travel to the lymph node?About an hourAbout a dayAbout a weekAbout a month
Question 17Multiple ChoiceWhat are antibodies designed to do?Bind to intrudersProduce enzymesGenerate barriersActivate macrophages
Question 18Multiple ChoiceWhich immune cells are known for their ability to 'nom' up bacteria?Helper T cellsNeutrophilsMacrophagesDendritic cells
Question 19Multiple ChoiceWhat happens when the immune system encounters an enemy it has seen before?It takes longer to respondMemory cells quickly eliminate the threatIt fails to recognize the enemyIt sends more neutrophils
Question 20Multiple ChoiceWhat ensures that B cells do not die from exhaustion during an infection?NeutrophilsHelper T cellsMacrophagesDendritic cells