Control and Immunity (Leaving Cert Biology): Flashcards
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Practise the cards
14 cards from this deck
Two defence systems controlling viruses
Two defence systems controlling viruses
General Defence System & Specific Defence System
General Defence System: key feature
General Defence System: key feature
First line of defence, not specific to any virus
Physical barrier preventing virus entry
Physical barrier preventing virus entry
Skin
Function of hairs & mucus in nose
Function of hairs & mucus in nose
Trap pathogens before they reach lungs
Role of stomach acid in defence
Role of stomach acid in defence
Destroys viruses swallowed with food or mucus
Specific Defence System function
Specific Defence System function
Targets particular viruses with tailored response
White blood cells produce (vs viruses)
White blood cells produce (vs viruses)
Antibodies
Antibodies definition
Antibodies definition
Proteins that attach to virus & neutralise or mark for destruction
Memory cells role in immunity
Memory cells role in immunity
Faster immune response if same virus returns
Vaccination function
Vaccination function
Stimulates immune system to make antibodies without illness
MMR vaccine protects against
MMR vaccine protects against
Measles, mumps, and rubella
Why antibiotics don't work on viruses
Why antibiotics don't work on viruses
Antibiotics act on cells; viruses are not cells
Vaccination definition
Vaccination definition
Non disease causing dose of pathogen
Pathogen definition
Pathogen definition
Organism that causes disease