Vaccines Flashcards
1
Q
How do vaccines work?
A
Vaccines contain weakened or inactive parts of a particular organism (antigen) that triggers an immune response within the body
2
Q
How can sterile conditions stop the spread of Disease?
A
Sterilization destroys all microorganisms on the surface of an article or in a fluid
3
Q
What did Alexander Fleming do?
A
Alexander Fleming created the first antibiotic, Penicillin.
4
Q
How can we preserve food?
A
Some methods include drying, refrigeration, and fermentation. Modern methods include canning, pasteurization, freezing, irradiation, and the addition of chemicals
5
Q
How is resistant bacteria evolving?
A
Through mutations that alter the cellular targets of antibiotics