Infection and Response Flashcards
(9 cards)
1
Q
Pathogen
A
A microorganism that causes disease.
2
Q
Bacteria
A
Small living cells that reproduce rapidly inside the body.
3
Q
Virus
A
Non-living; invades cells and replicates to cause disease.
4
Q
Antigen
A
A substance that triggers an immune response.
5
Q
Antibody
A
Protein produced by white blood cells to fight pathogens.
6
Q
Vaccine
A
Contains dead or inactive pathogens to stimulate immunity.
7
Q
Antibiotic
A
A medicine that kills bacteria (not viruses).
8
Q
Herd immunity
A
When a large proportion of a population is immune, reducing spread.
9
Q
White blood cell
A
Part of the immune system; destroys pathogens.
