Advertisement Upgrade to remove ads

Mrs. Vernon SCC Mulipte choice questions Pg 208

Which of the following does NOT kill endospores?

autoclave
INCINERATION
hot air sterilization
pasteurization

Which of the following is most effective for sterilizing mattresses and platic Petri dishes

chlorine
ETHYLENE OXIDE
glutaraldehyde
autoclave
nonionizing radiation

Which of these disinfecants does NOT act by disrupting the plasma membrane>?

phenolics
PHENOL
quaternary ammonium compounds
halogens
biguanides

Which of the following CANNOTbe used to sterilize a heat labile solution stored in a plastic container?

gamma radiation
ETHYLENE OXIDE
nonionizing radiation
short-wave radiation

Which of the following is NOT a characteristic of quaternary ammonium compounds?

bacterialcidal against gram-positive bacteria
sprocidal
AMOEBICIDAL
fungicidal
kills enveloped viruses

A classmate is trying to determine how a disinfectant might kill cells. You observed that when he spilled the disinfectant in your reduced litmus milk, that litmus turned blue again. you suggest to your classmate that
.

the disinfectant might inhibit cell wall synthesis
the disinfectant might oxidize molecules
the disinfectant might inhibit protein synthesis
THE DISINFECTANT MIGHT DENATURE PROTEINS
he take his work away from yours

Which of the following os most likely to be bactericidal?

membrane filtration
ionizing radiation
LYPOHILIZATION (FREEZE -DRYING)
deep-freezing
all the above

Which of the following is used to control microbial growth in foods?

organic acids
ALCOHOLS
aldehydes
heavy metals
all of the above

Which disinfectant is the most effective (visual chart)

E. none of the above

Which disinfectant (s) is/ are bactericidal?

a) answer: is A, B,C and D

Please allow access to your computer’s microphone to use Voice Recording.

Having trouble? Click here for help.

We can’t access your microphone!

Click the icon above to update your browser permissions above and try again

Example:

Reload the page to try again!

Reload

Press Cmd-0 to reset your zoom

Press Ctrl-0 to reset your zoom

It looks like your browser might be zoomed in or out. Your browser needs to be zoomed to a normal size to record audio.

Please upgrade Flash or install Chrome
to use Voice Recording.

For more help, see our troubleshooting page.

Your microphone is muted

For help fixing this issue, see this FAQ.

Star this term

You can study starred terms together

NEW! Voice Recording

Create Set