chapter 15

Question 1

Describe a drug

Answer 1

any substance taken into the body that modifies or affects chemical reactions
in the body

Question 2

Where is the primary site for drug metabolism

Answer 2

the liver

Question 3

Describe the use of antibiotics on bacterial infection

Answer 3

Antibiotics
1. Disrupt formation of cell wall in bacteria
2. prevent them from reproducing

Question 4

Why are antibiotics ineffective against viruses

Answer 4

1. virus is a non living things
2. they have no cell wall and carry no metabolic reaction

Question 5

Why are antibiotics becoming less effective ?

Answer 5

1. overuse and prescribed when not really needed
2. patients do not complete course of medication
3. antibiotic used on viral infection

Question 6

State ways to prevent increase in antibiotic resistance

Answer 6

1. only take when absolutely necessary
2. ensure entire course is completed
3. do not use on viral infection
4. use a combination of antibiotics
5. develop new antibiotic