Chapter 20

Question 1

Chemotherapy

Answer 1

The use of chemicals to treat a disease

Question 2

Antibiotic

Answer 2

a substance produced by a microbe that, in small amounts, inhibits another microbe

Question 3

Antimicrobial drugs

Answer 3

Synthetic substances that interfere with the growth of microbes

Question 4

Three Spectrums of Antimicrobial Activity

Answer 4

1. Narrow-spectrum of microbial activity 2. Broad-spectrum antibiotics 3. Superinfection

Question 5

Narrow spectrum of microbial activity

Answer 5

Drugs that affect a narrow range of microbial types

Question 6

Broad-spectrum antibiotics

Answer 6

Affect a broad range of gram-positive or gram-negative bacteria

Question 7

Superinfection

Answer 7

Overgrowth of normal microbiota that is resistant to antibiotics