How our bodies defend themselves against infectious diseases Flashcards
1
Q
What are the ways that white blood cells protect us against pathogens?
A
- Ingesting pathogens. (Digest and destroy them)
- Producing antibodies, which destroy particular bacteria or viruses.
- Producing antitoxins, which counteract with the toxins released by the pathogens.
2
Q
Why does vaccination against the measles virus will not protect a child against rubella virus?
A
- Because the antibodies produced by white blood cells to kill measles virus are specific.
3
Q
What are pathogens?
A
Microorganism that causes infectious disease.
4
Q
Define epidemic
A
Rapid spread of infectious disease within a country.
5
Q
Define pandemic
A
Rapid spread of infectious disease across coutries.
6
Q
Which diseases does the MMR vaccine protect people against?
A
Measles, mumps, rubella.