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Tiny Bombs in your Blood - The Complement System

Tim Horton
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추가된 문제 (20/ 20)
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문제 1

선택형

What is one of the most important but largely unknown defenses of the human body?

  • Antibodies
  • White blood cells
  • The Complement System
  • Lymph nodes

문제 2

선택형

Approximately how many complement proteins are saturating every fluid in your body right now?

  • 15 million
  • 15 billion
  • 15 trillion
  • 15 quintillion

문제 3

선택형

What is the primary role of C3 in the Complement System?

  • To act as a distress beacon
  • To switch from passive to active
  • To neutralize water molecules
  • To produce antibodies

문제 4

선택형

What happens when C3b protein finds a target?

  • It anchors tightly to the surface of the target
  • It gets neutralized by water molecules
  • It deactivates other proteins
  • It produces antibodies

문제 5

선택형

What does the C3 Convertase platform do?

  • Activates more C3 proteins
  • Produces antibodies
  • Neutralizes water molecules
  • Destroys viruses directly

문제 6

선택형

How do passive immune cells react to C3a proteins?

  • They become neutralized
  • They become active and follow the protein tracks
  • They produce antibodies
  • They deactivate other proteins

문제 7

선택형

What is the role of phagocytes in the Complement System?

  • To produce antibodies
  • To swallow and kill enemies with acid
  • To neutralize water molecules
  • To deactivate complement proteins

문제 8

선택형

What structure is formed by complement proteins on the surface of bacteria to kill them?

  • Antibody complex
  • Membrane Attack Complex
  • Neutralizing complex
  • Defensive barrier

문제 9

선택형

Why are viruses particularly vulnerable to the Complement System?

  • They can’t produce antibodies
  • They need to travel from cell to cell and are defenseless outside of cells
  • They are neutralized by water molecules
  • They deactivate upon contact with C3 proteins

문제 10

선택형

How do some bacteria evade the Complement System?

  • By producing antibodies
  • By becoming invisible through certain molecules
  • By neutralizing water molecules
  • By deactivating C3 proteins

문제 11

선택형

What is the main purpose of the C3a protein?

  • To bind tightly to bacteria
  • To act as a distress beacon
  • To neutralize water molecules
  • To produce antibodies

문제 12

선택형

What happens when complement proteins change their shape?

  • They deactivate
  • They can interact with other proteins and activate them
  • They produce antibodies
  • They neutralize water molecules

문제 13

선택형

What analogy is used to describe the activation of complement proteins?

  • A ticking clock
  • Falling dominoes
  • A chain reaction
  • Matches igniting a fire

문제 14

선택형

How do complement proteins assist phagocytes?

  • By producing antibodies
  • By neutralizing water molecules
  • By acting as a glue to help catch bacteria
  • By deactivating other proteins

문제 15

선택형

What is the final outcome of the Membrane Attack Complex on bacteria?

  • It produces antibodies
  • It neutralizes water molecules
  • It rips holes in bacterial membranes, causing them to die
  • It deactivates bacteria

문제 16

선택형

Why is the Complement System particularly effective against viruses?

  • Viruses can’t produce antibodies
  • Viruses need to travel between cells and are defenseless outside of them
  • Viruses deactivate upon contact with C3 proteins
  • Viruses neutralize water molecules

문제 17

선택형

What is the role of C3 Convertase in the complement cascade?

  • To deactivate other proteins
  • To produce antibodies
  • To activate more C3 proteins
  • To neutralize water molecules

문제 18

선택형

How do some viruses avoid the Complement System?

  • By producing antibodies
  • By shutting down complement activation through specific proteins
  • By neutralizing water molecules
  • By deactivating C3 proteins

문제 19

선택형

Why do we still get sick despite having the Complement System?

  • The Complement System is not always active
  • The Complement System is not effective against all pathogens
  • Pathogens adapt and find ways to evade the Complement System
  • The Complement System produces antibodies

문제 20

선택형

What is a phagocyte?

  • A type of virus
  • A cell that swallows and kills pathogens with acid
  • A complement protein
  • A distress beacon
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