Chapter 8 Microbiology

Question 1

Disinfection involves:
a) the reduction of microorganisms on inanimate surfaces
b) the destruction of microorganisms on inanimate surfaces
c) the destruction and inhibition of microorganisms on any surface
d) the reduction of microorganisms on any surface

Answer 1

c) the destruction and inhibition of microorganisms on any surface

Question 2

Sterilization involves:
a) the reduction of microorganisms on inanimate surfaces
b) the destruction of microorganisms on inanimate surfaces
c) the destruction and inhibition of microorganisms on any surface
d) the reduction of microorganisms on any surface

Answer 2

b) the destruction of microorganisms on inanimate surfaces

Question 3

The effectiveness of a sterilization method is based on:
a) temperature
b) destruction of bacteria
c) destruction of bacterial spores
d) destruction of viral spores

Answer 3

C- destruction of bacterial spores

Question 4

Sanitation can be described as:
a) destruction of bacteria and bacterial spores
b) reduction of bacteria and bacterial spores
c) destruction of viruses and viral spores
d) “clean enough to be healthy”

Answer 4

D- clean enough to be healthy

Question 5

A chemical used to disinfect inanimate objects is a(n):
a) germicide
b) antiseptic
c) antibiotic
d) ester

Answer 5

A- germicide

Question 6

A chemical used to disinfect living tissue is a(n):
a) germicide
b) antiseptic
c) antibiotic
d) alcohol

Answer 6

B- antiseptic

Question 7

To test the effectiveness of any sterilization method, one may:
a) attempt to culture bacteria from “sterilized” instruments
b) visually inspect the “sterilized” instruments
c) use heat-activated testing tape
d) keep records of any ensuing patient infections

Answer 7

a) attempt to culture bacteria from “sterilized” instruments