Chapter 9

Question 1

Antibiotics

Answer 1

Low molecular weight compounds made by microbes or chemically synthesized, which inhibit or kill other microorganisms

Question 2

Sterilants

Answer 2

Kills all microorganisms

Question 3

Sanitizers

Answer 3

Agents are used to lower the levels of bacterial cells

Question 4

Bacteriostatic

Answer 4

An agent that only inhibits the growth of bacterial cells

Question 5

Bactericidal

Answer 5

An agent that kills bacterial cells

Question 6

Zone of inhibition

Answer 6

Area around a disk where no growth has occurred due to the agent in the disk

Question 7

Antibiotic classes

Answer 7

CELL WALL SYNTHESIS INHIBITORS ( penicillin derivatives) PROTEIN SYNTHESIS INHIBITORS (tetracyclines) RNA SYNTHESIS INHIBITORS, DNA SYNTHESIS INHIBITORS (cipro)

Question 8

Spectrum of antibiotic activity

Answer 8

Describes the range of types of microorganisms it can kill or inhibit

Question 9

Antibiotic spectrums

Answer 9

BROAD SPECTRUM ANTIBIOTICS (tetracyclines), EXTENDED SPECTRUM ANTIBIOTICS (amoxicillin) NARROW SPECTRUM ANTIBIOTICS (polymyxins)

Question 10

Disinfectants

Answer 10

Substances that are applied to non living objects to destroy microorganisms that are living on the objects

Question 11

Antiseptics

Answer 11

Antimicrobial substances that are applied to living tissue/skin to reduce the possibility of infection

Question 12

Minimum inhibitory concentration (MIC)

Answer 12

The lowest concentration needed to inhibit the growth of a bacteria or microbe

Question 13

Minimum bactericidal concentration (MBC)

Answer 13

The minimum concentration that results in bacterial death