문제 2선택형Which cells are known as the 'guard cells' in the immune system?NeutrophilsHelper T cellsMacrophagesB cells
문제 3선택형What do neutrophils do that can also harm healthy cells?Generate barriersCommit suicideRelease enzymesNone of the above
문제 4선택형Which cell acts as the 'brain' of the immune system?Dendritic CellsHelper T cellsMacrophagesB cells
문제 7선택형What is the role of helper T cells in relation to B cells?Activate B cellsProduce antibodiesCommit suicideRelease enzymes
문제 8선택형What happens to neutrophils after they have fought for five days?They become macrophagesThey commit suicideThey turn into dendritic cellsThey release enzymes
문제 9선택형What type of proteins do B cells produce to fight infections?AntigensEnzymesAntibodiesHormones
문제 10선택형What is the function of memory T cells?Fight current infectionActivate B cellsStore information for future immunityProduce antibodies
문제 11선택형How do macrophages kill bacteria?By releasing enzymesBy generating barriersBy devouring themBy producing antibodies
문제 12선택형Which cells are responsible for inflammation during an immune response?MacrophagesNeutrophilsHelper T cellsDendritic cells
문제 13선택형What triggers the dendritic cells to become active?Signals from soldiersHigh bacterial populationPresence of antibodiesRelease of enzymes
문제 14선택형What is the fate of most immune cells after an infection is cleared?They turn into memory cellsThey commit suicideThey become macrophagesThey remain active
문제 15선택형Which cells duplicate rapidly to form memory T cells?Helper T cellsNeutrophilsDendritic cellsMacrophages
문제 16선택형How long does it take for dendritic cells to travel to the lymph node?About an hourAbout a dayAbout a weekAbout a month
문제 17선택형What are antibodies designed to do?Bind to intrudersProduce enzymesGenerate barriersActivate macrophages
문제 18선택형Which immune cells are known for their ability to 'nom' up bacteria?Helper T cellsNeutrophilsMacrophagesDendritic cells
문제 19선택형What 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
문제 20선택형What ensures that B cells do not die from exhaustion during an infection?NeutrophilsHelper T cellsMacrophagesDendritic cells