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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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  1. Question 1

    The immune response: which statement is NOT true?

    • A. Lymphocytes produce antibodies.
    • B. Each type of antibody fits one specific antigen.
    • C. The secondary immune response is faster and larger than the first.
    • D. Memory cells are only made after a vaccine, never after an infection.

  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 160 units after 4 days. How many times higher was the second peak?

    Answer

  3. Question 3

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

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

  4. Question 4

    The immune response: which statement is NOT true?

    • A. Lymphocytes produce antibodies.
    • B. Vaccines lead to the formation of memory cells.
    • C. Antibodies are a type of white blood cell.
    • D. Each type of antibody fits one specific antigen.

  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 120 units after 4 days. How many times higher was the second peak?

    Answer

  6. Question 6

    What are antigens?

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

  7. Question 7

    The immune response: which statement is NOT true?

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

  8. Question 8

    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 120 units after 4 days. How many times higher was the second peak?

    Answer

  9. Question 9

    What are antigens?

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

  10. Question 10

    The immune response: which statement is NOT true?

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

  11. Question 11

    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 250 units after 4 days. How many times higher was the second peak?

    Answer

  12. Question 12

    Why don't you usually catch chickenpox twice?

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

  13. Question 13

    The immune response: which statement is NOT true?

    • A. Each type of antibody fits one specific antigen.
    • B. Antibodies are a type of white blood cell.
    • C. Vaccines lead to the formation of memory cells.
    • D. The secondary immune response is faster and larger than the first.

  14. Question 14

    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 75 units after 4 days. How many times higher was the second peak?

    Answer

  15. Question 15

    What are antigens?

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

  16. Question 16

    The immune response: which statement is NOT true?

    • A. Memory cells are only made after a vaccine, never after an infection.
    • B. Each type of antibody fits one specific antigen.
    • C. The secondary immune response is faster and larger than the first.
    • D. Vaccines lead to the formation of memory cells.

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Answer key: Antibodies, memory cells and the secondary immune response

  1. 1. D. Memory cells are only made after a vaccine, never after an infection.

  2. 2. 8

  3. 3. D. They are identical and bind to one specific target molecule

  4. 4. C. Antibodies are a type of white blood cell.

  5. 5. 8

  6. 6. C. molecules on the surface of a pathogen that the immune system recognises

  7. 7. B. Antibodies are a type of white blood cell.

  8. 8. 8

  9. 9. C. molecules on the surface of a pathogen that the immune system recognises

  10. 10. A. One antibody can recognise every type of pathogen.

  11. 11. 10

  12. 12. D. Memory cells make antibodies quickly before you become ill

  13. 13. B. Antibodies are a type of white blood cell.

  14. 14. 5

  15. 15. B. molecules on the surface of a pathogen that the immune system recognises

  16. 16. A. Memory cells are only made after a vaccine, never after an infection.