11.1 Antibody Production and Vaccination (Extra) Flashcards

1
Q

What does the body do in response to an allergen?

A

• When exposed to allergen, they produce a specific antibody (IgE)
• Specific antibody binds to mast cell
• Specific antibody bind to allergen; causes over-activation of mast cells to release excessive histamine
• Histamine causes dilation of small blood vessels (leaky/permeable)
• Increased flow of immune components out of blood (to infected area)
Allows both specific and non-specific immunity

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2
Q

What type of cells secrete histamines?

A
  • basophils;

- mast cells

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