2598047
Descrição
FlashCards por Charlotte Hewson, atualizado more than 1 year ago
|
Criado por Charlotte Hewson
mais de 9 anos atrás
|
|
| Questão | Responda |
| what are the two main types of defence of the human body? | non-specific and specific |
| what is a non-specific response? | doesn't distinguish between types of pathogens, responds to all in the same way |
| what are the two forms this can take? | -phagocytosis -barrier to the entry of pathogens |
| what is a specific response? | do distinguish between different pathogens. less rapid but provide long-lasting immunity |
| what type of blood cell does this use? | white blood cell called lymphocyte |
| what are the two forms this can take? | - cell-mediated responses involving T lymphocytes - humoral responses involving B lymphocytes |
| what would happen if lymphocytes couldn't distinguish between self and non-self material? | it would destroy the organisms own tissue |
| why is there a time lag between exposure to pathogen and bodies defences bringing it under control? | the antibody already exists and has to reproduce enough numbers to be effective in destroying the pathogen |
Quer criar seus próprios Flashcards gratuitos com GoConqr? Saiba mais.