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Term 4b
Immunity - 3rd line of defense
| Question | Answer |
|---|---|
| Specific Immunity involves a ............ response to the ........... ............. to that particular ............? | Specific immunity involves a specific response to the immune system to that particular infection |
| What does specific immunity result in? | Adaptive or Acquired Immunity |
| Long lasting? | Yes, this type of immunity is generally long lasting |
| When is the 3rd line of defense initiated? | When the foreign micro-organism has moved past the 1st and 2nd lines of defense and entered the body. |
| What does the 3rd line of defense involve? | Involves the white blood cell lymphocyte. |
| What do lymphocytes do? (3) | Recognize invading particles, react to the invasion and remember that particular type of invasion. |
| What happens if the same infection occurs again? | The response occurs more rapidly. |
| Where do B cells mature? | In the bone marrow |
| Where do T cells mature? | In the Thymus |
| Do they both make antibodies? | B cells do (specific antibodies) but T cells don't |
| What are B cells primarily responsible for? | Humoral Immunity |
| What is Humoral Immunity? | When B cells recognize antigens or pathogens that are circulating the lymph or blood. |
| What are T cells primary responsible for? | Cell Mediated Immunity |
| What is Cell Mediated Immunity? | When T cells act against virus infected cells, cancerous cells and foreign cells. |
| What binds together in B cells? | Antibodies bind to Antigen |
| What is this called? | An antibody-antigen complex |
| What happens to the antibody-antigen complex? | It is attacked by phagocytes |
| What do helper T cells do? | Help B cells |
| Help B cells do what? | Recognize foreign antigens and stimulate B cell reproduction. |
| What do Cytotoxic C cells do? | Kill virus infected cells. |
| Where are both these cells produced? | In the bone marrow |
| Both of these cells can ............... between ........ and ...... .......... | distinguish between self and non self |
| Both are ......... cells | memory cells |
| How do both of these travel? | Via the lymphatic vessels (lymph0 or bloodstream (blood) |
| Part of the ..... ........ of .............. and ............... ................... | 3rd line of defense and specific immunity |
| How many different types of B cells and T cells? | Many different types |
| They .......... rapidly after ............. specific ............... | They reproduce rapidly after encountering specific antigens. |
Created by:
zarap103
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