Unit 2

Question 1

What type of control would be ineffective against a naked virus?
a. Denaturing proteins
b. Mutation
c. Destabilizing membranes
d Physical removal

Answer 1

c. Destabilizing membranes

Question 2

When you are using al alcohol to disinfect microbes, it doesn’t matter if you get alcohol from the shelf or the fridge
True or false

Answer 2

False
Temperature can have an effect on the time it takes a germcide to work

Question 3

The decimal reduction times refers to the amount of time it takes to which of the following?
a. Reduce a microbial population by 10%
b. Reduce a microbial population by 0.1%
c. Reduce a microbial population by 90%
d. Completely eliminate a microbial population

Answer 3

c. Reduce a microbial population by 90%

Question 4

Which of the following describes an sterilization procedure
a. Using hand sanitizer
b. Washing your hand
c. Autoclaving media
d. Water purification

Answer 4

c. Autoclaving media

Question 5

Which of the following would the term degerming most likely apply to?
a. A water treatment facility
b. Your home kitchen
c. Pasteurized milk
d. Washing your hands

Answer 5

d. Washing your hands

Question 6

Which of the following types of medical items is considered critical?
a. Bed linens
b. Respiratory mask
c. Blood pressure cuffs
d. Needles

Answer 6

d. Needles

Question 7

Which of the following is suitable for use on tissues for microbial control to prevent infection

a. Disinfectant
b. Antiseptic
c. Sterilant
d. Water

Answer 7

b. Antiseptic

Question 8

Sanitization leaves an object free of microbes
True or false

Answer 8

False

Question 9

Which bio safety level is appropriate for research with microbes or infectious agents that pose moderate risk to laboratory workers and the community, and are topically indigenous (i.e already present in the population)?
a. BSL 1
b. BSL 2
c. BSL 3
d. BSL 4

Answer 9

b. BSL 2

Question 10

How would you classify a new strain of influenza?

a. BSL 1
b. BSL 2
c. BSL 3
d. BSL 4

Answer 10

c. BSL 3