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Before use, which of the following products should be used to clean surfaces of a laminar flow hood?
Suggested Answer: B
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Before each use, 70% isopropyl alcohol should be used to clean surfaces of a laminar flow hood.
17 comments · newest first
TW
Twanna
11 months ago
Wait, are we sure about that? I thought WFI was the best option.
ER
Erick
11 months ago
Totally agree, 70% isopropyl is the standard!
GE
Genevive
11 months ago
Purified water is a no-go for this.
JA
Jamika
11 months ago
I thought 95% ethyl alcohol was better?
ET
Ethan
11 months ago
Gotta use 70% isopropyl alcohol for cleaning!
HO
Hoa
12 months ago
I’m confused about the difference between purified water and WFI; I think WFI is more sterile, but I can't remember if it’s necessary for cleaning the hood.
MA
Mammie
12 months ago
I’m leaning towards 70% isopropyl alcohol too, but I vaguely recall something about 95% ethyl alcohol being used in some contexts.
BE
Beth
12 months ago
I remember a question about cleaning surfaces, and I feel like purified water was mentioned as an option, but it seems less effective than alcohol.
MA
Malinda
1 year ago
I think we used 70% isopropyl alcohol in practice, but I'm not entirely sure if that's the best choice for the hood.
NI
Nicolette
1 year ago
I'm a bit confused on this one. I know we use alcohol to clean surfaces, but I can't recall if it's 70% isopropyl or 95% ethyl. I'll have to review my notes to make sure I choose the right one.
AH
Ahmad
1 year ago
Okay, I've got this. Purified water wouldn't be strong enough to properly disinfect the surfaces. And WFI is just really pure water, so that's not the right answer either. I'm going with 95% ethyl alcohol.
GE
Geoffrey
1 year ago
Hmm, I'm a little unsure on this one. I know we need to use something that won't leave residue, but I can't remember if it's 70% isopropyl or 95% ethyl alcohol. I'll have to think this through carefully.
MA
Mari
1 year ago
I'm pretty sure the answer is 95% ethyl alcohol, since that's a common disinfectant used in clean rooms and laminar flow hoods.
AR
Artie
1 year ago
Ah, this is a good one. I remember learning about these administrative privileges and how they simplify common DBA tasks. I think I can narrow down the options pretty easily.
TA
Talia
1 year ago
I practiced a similar question where the variable costs were percentage-based; I think I got the answer by subtracting fixed costs from total costs.
RO
Rosio
1 year ago
Hmm, this is a tricky one. I know implementation plans cover things like the work breakdown structure and risk management, but I'm not sure about the other options. I'll have to think this through carefully.
LE
Leonor
1 year ago
I'm a bit confused if this should be reported in income or as a retained earnings adjustment. Did we cover this in class?