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Antibodies, memory cells and the secondary immune response

11th grade (Year 12 in England) · 16 questions · Common Core: NGSS.HS-LS1-2, NGSS.SEP 4 · England: GCSE Combined Science: Infection and response, GCSE Biology: Monoclonal antibodies

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Score/ 16

  1. Question 1

    Monoclonal antibodies are used in pregnancy tests and some cancer treatments. What makes them useful?

    • A. They are identical and bind to one specific target molecule
    • B. They are made of DNA
    • C. They are a kind of antibiotic
    • D. They kill every type of cell

  2. Question 2

    After a first infection, a person's antibody level peaked at 20 arbitrary units after 12 days. After a second infection with the same pathogen it peaked at 240 units after 4 days. How many times higher was the second peak?

    Answer

  3. Question 3

    The immune response: which statement is NOT true?

    • A. Memory cells are only made after a vaccine, never after an infection.
    • B. Lymphocytes produce antibodies.
    • C. Vaccines lead to the formation of memory cells.
    • D. The secondary immune response is faster and larger than the first.

  4. Question 4

    Phagocytes are white blood cells that…

    • A. clot the blood
    • B. engulf and digest pathogens
    • C. carry oxygen
    • D. make antitoxins only

  5. Question 5

    After a first infection, a person's antibody level peaked at 15 arbitrary units after 12 days. After a second infection with the same pathogen it peaked at 300 units after 4 days. How many times higher was the second peak?

    Answer

  6. Question 6

    The immune response: which statement is NOT true?

    • A. Vaccines lead to the formation of memory cells.
    • B. The secondary immune response is faster and larger than the first.
    • C. Lymphocytes produce antibodies.
    • D. Antibodies are a type of white blood cell.

  7. Question 7

    What are antigens?

    • A. white blood cells
    • B. a type of bacteria
    • C. medicines
    • D. molecules on the surface of a pathogen that the immune system recognises

  8. Question 8

    After a first infection, a person's antibody level peaked at 25 arbitrary units after 12 days. After a second infection with the same pathogen it peaked at 500 units after 4 days. How many times higher was the second peak?

    Answer

  9. Question 9

    The immune response: which statement is NOT true?

    • A. The secondary immune response is faster and larger than the first.
    • B. Lymphocytes produce antibodies.
    • C. Vaccines lead to the formation of memory cells.
    • D. One antibody can recognise every type of pathogen.

  10. Question 10

    Why don't you usually catch chickenpox twice?

    • A. The virus dies out after one infection
    • B. Your red blood cells change
    • C. Antibiotics stay in the blood for life
    • D. Memory cells make antibodies quickly before you become ill

  11. Question 11

    After a first infection, a person's antibody level peaked at 15 arbitrary units after 12 days. After a second infection with the same pathogen it peaked at 300 units after 4 days. How many times higher was the second peak?

    Answer

  12. Question 12

    The immune response: which statement is NOT true?

    • A. The secondary immune response is faster and larger than the first.
    • B. Antibodies are a type of white blood cell.
    • C. Vaccines lead to the formation of memory cells.
    • D. Lymphocytes produce antibodies.

  13. Question 13

    Monoclonal antibodies are used in pregnancy tests and some cancer treatments. What makes them useful?

    • A. They kill every type of cell
    • B. They are identical and bind to one specific target molecule
    • C. They are a kind of antibiotic
    • D. They are made of DNA

  14. Question 14

    After a first infection, a person's antibody level peaked at 10 arbitrary units after 12 days. After a second infection with the same pathogen it peaked at 100 units after 4 days. How many times higher was the second peak?

    Answer

  15. Question 15

    The immune response: which statement is NOT true?

    • A. Memory cells are only made after a vaccine, never after an infection.
    • B. Lymphocytes produce antibodies.
    • C. Each type of antibody fits one specific antigen.
    • D. Vaccines lead to the formation of memory cells.

  16. Question 16

    Phagocytes are white blood cells that…

    • A. carry oxygen
    • B. make antitoxins only
    • C. clot the blood
    • D. engulf and digest pathogens

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All done? Check your answers
  1. They are identical and bind to one specific target molecule
  2. 12
  3. Memory cells are only made after a vaccine, never after an infection.
  4. engulf and digest pathogens
  5. 20
  6. Antibodies are a type of white blood cell.
  7. molecules on the surface of a pathogen that the immune system recognises
  8. 20
  9. One antibody can recognise every type of pathogen.
  10. Memory cells make antibodies quickly before you become ill
  11. 20
  12. Antibodies are a type of white blood cell.
  13. They are identical and bind to one specific target molecule
  14. 10
  15. Memory cells are only made after a vaccine, never after an infection.
  16. engulf and digest pathogens