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Year 2 Quiz on Allergic Reactions, created by gina_evans0312 on 02/06/2014.

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Allergic Reactions

Allergic Reactions

Question 1 of 9

1

An immune response usually only occurs after the second exposure to the allergen

Select one of the following:

  • True
  • False

Explanation

Question 2 of 9

1

Which, most commonly has the first contact with the allergen?

Select one of the following:

  • B-lymphs

  • T-lymphs

  • Mast cells

Explanation

Question 3 of 9

1

Once bound to the allergen, the cell converts into a Mast Cell

Select one of the following:

  • True
  • False

Explanation

Question 4 of 9

1

What is the role of Plasma Cells?

Select one of the following:

  • IgE production

  • IgB production

  • IgD production

Explanation

Question 5 of 9

1

What happens to the released antibodies?

Select one of the following:

  • They bind to and sensitise Mast cells

  • They bind to and sensitise plasma cells

  • They stimulate the immune response

Explanation

Question 6 of 9

1

The sensitised Mast Cell will now recognise the allergen if encountered again

Select one of the following:

  • True
  • False

Explanation

Question 7 of 9

1

What happens if the allergen is encountered a second time?

Select one or more of the following:

  • It links together two IgE's on the Mast cell surface

  • It links together two IgE's on the plasma cell surface

  • Causing the release of histamine and an immune response

Explanation

Question 8 of 9

1

Anaphylaxis- a severe, life threatening immune reaction

Select one of the following:

  • True
  • False

Explanation

Question 9 of 9

1

'Itch specific' nerve fibres stimulated by the immune response have what type of receptors?

Select one or more of the following:

  • H1

  • H2

  • H3

  • H4

Explanation

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