PTCB Exam PTCE Topic 1 Question 93 Discussion

Actual exam question for PTCB's PTCE exam

Question #: 93
Topic #: 1

[All PTCE Questions]

Incompatibility of a nonsterile compound may be indicated by:

Aa clear solution

Bthe use of a pH buffer system

Can unexpected change in odor

Dsuspension particles settling to the bottom of a container

Show Suggested Answer

Suggested Answer: B

by Lelia at Jul 14, 2024, 11:32 PM

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Enola

5 days ago

I don't know about you guys, but I'm just hoping the exam doesn't ask about the density of the suspension particles. That's when I'll really be in trouble!

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Ira

6 days ago

B) the use of a pH buffer system? What is this, a chemistry class? I'll stick with the good old settling particles, thank you very much.

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Catherin

12 days ago

A clear solution? Really? That would just mean the components are compatible. This exam is trying to trick us, I tell ya!

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Shaquana

13 days ago

I was leaning towards C) an unexpected change in odor, but I guess D) makes more sense. Gotta keep an eye out for those pesky settling particles!

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Mabelle

14 days ago

I'm not sure, but I think D) suspension particles settling to the bottom of a container could also be a sign of incompatibility.

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Colene

17 days ago

I agree with Marg, because a change in odor could indicate chemical reactions.

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Dahlia

17 days ago

D) Suspension particles settling to the bottom of a container seems like the obvious sign of incompatibility. The other options don't really indicate incompatibility in my opinion.

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Marg

23 days ago

I think the answer is C) an unexpected change in odor.

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