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Question:

How do ampules differ from vials?

A Ampules require the use of a filter needle.
explanation

A filter needle is used to remove very small particles of glass that may have fallen into the liquid when the ampule was broken.

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Comments

Shaniac20

4 years ago

I recommend!

Mingy6

4 years ago

I like this App a lot. I got a few apps to prepare for PTCE but this is the best one so far! It has tests and practice questions with explanations.

Bfarley14

3 years ago

Awesome app

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