What may occur if an equal amount of air is not injected into a vial when withdrawing medication from the vial?

Name: What may occur if an equal amount of air is not injected into a vial when withdrawing medication from the vial?
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Question

Quizplus · Accepted Answer

Injecting an equal amount of air into the vial before withdrawing medication helps to equalize the pressure inside the vial, making it easier to withdraw the medication. Without doing this, the negative pressure can make it difficult to draw the medication out.

What May Occur If an Equal Amount of Air Is