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The Immune System Explained I – Bacteria Infection

Tim Horton
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추가된 문제 (20/ 20)
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문제 1

선택형

What is the first barrier of the immune system?

  • Macrophages
  • Skin
  • Neutrophils
  • Dendritic Cells

문제 2

선택형

Which cells are known as the 'guard cells' in the immune system?

  • Neutrophils
  • Helper T cells
  • Macrophages
  • B cells

문제 3

선택형

What do neutrophils do that can also harm healthy cells?

  • Generate barriers
  • Commit suicide
  • Release enzymes
  • None of the above

문제 4

선택형

Which cell acts as the 'brain' of the immune system?

  • Dendritic Cells
  • Helper T cells
  • Macrophages
  • B cells

문제 5

선택형

Where do dendritic cells travel to activate T cells?

  • Bone Marrow
  • Lymph Node
  • Spleen
  • Thymus

문제 6

선택형

What do B cells produce when activated?

  • Enzymes
  • Antibodies
  • Neutrophils
  • Macrophages

문제 7

선택형

What is the role of helper T cells in relation to B cells?

  • Activate B cells
  • Produce antibodies
  • Commit suicide
  • Release enzymes

문제 8

선택형

What happens to neutrophils after they have fought for five days?

  • They become macrophages
  • They commit suicide
  • They turn into dendritic cells
  • They release enzymes

문제 9

선택형

What type of proteins do B cells produce to fight infections?

  • Antigens
  • Enzymes
  • Antibodies
  • Hormones

문제 10

선택형

What is the function of memory T cells?

  • Fight current infection
  • Activate B cells
  • Store information for future immunity
  • Produce antibodies

문제 11

선택형

How do macrophages kill bacteria?

  • By releasing enzymes
  • By generating barriers
  • By devouring them
  • By producing antibodies

문제 12

선택형

Which cells are responsible for inflammation during an immune response?

  • Macrophages
  • Neutrophils
  • Helper T cells
  • Dendritic cells

문제 13

선택형

What triggers the dendritic cells to become active?

  • Signals from soldiers
  • High bacterial population
  • Presence of antibodies
  • Release of enzymes

문제 14

선택형

What is the fate of most immune cells after an infection is cleared?

  • They turn into memory cells
  • They commit suicide
  • They become macrophages
  • They remain active

문제 15

선택형

Which cells duplicate rapidly to form memory T cells?

  • Helper T cells
  • Neutrophils
  • Dendritic cells
  • Macrophages

문제 16

선택형

How long does it take for dendritic cells to travel to the lymph node?

  • About an hour
  • About a day
  • About a week
  • About a month

문제 17

선택형

What are antibodies designed to do?

  • Bind to intruders
  • Produce enzymes
  • Generate barriers
  • Activate macrophages

문제 18

선택형

Which immune cells are known for their ability to 'nom' up bacteria?

  • Helper T cells
  • Neutrophils
  • Macrophages
  • Dendritic cells

문제 19

선택형

What happens when the immune system encounters an enemy it has seen before?

  • It takes longer to respond
  • Memory cells quickly eliminate the threat
  • It fails to recognize the enemy
  • It sends more neutrophils

문제 20

선택형

What ensures that B cells do not die from exhaustion during an infection?

  • Neutrophils
  • Helper T cells
  • Macrophages
  • Dendritic cells
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