Which is not a known disadvantage to using an ampule?
1. A risk of minute glass shards falling into the medication after the ampule is opened
2. A risk of injury to the nurse when opening the ampule
3. A risk of contamination of medication even when opened properly
4. Medication being lost in the neck of the ampule if not properly prepared
Correct Answer: 3
The medication will remain sterile if proper technique is followed, so this is not a disadvantage of an ampule. Small shards of glass can fall into the fluid when the neck is snapped from the ampule, which is the reason a filter needle should always be used when withdrawing fluid from an ampule. Small shards of glass could also injure the nurse when the ampule is opened. Proper preparation would include tapping the neck of the ampule to clear the neck of any medication. Not doing this could cause medication to be lost when the ampule is opened.
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