B14 drugs Flashcards
1
Q
define a drug
A
- any substance taken into the body
- that modifies or affects chemical reactions in the body
2
Q
describe the use of antibiotics
A
- treat bacterial infections
- kill bacteria or stop them from reproducing
3
Q
describe the effects of antibiotics on viruses
A
do not affect viruses
4
Q
what can reduce effectiveness of antibiotics
A
- some bacteria are resistant
- using antibiotics when not essential can aid development of resistant bacteria eg MRSA