At which point of preparing medication from an ampule does the nurse anticipate using a filter needle?
1. Filter needles are not used for this preparation.
2. When drawing the medication from the ampule.
3. When administering the medication to the client.
4. Both for drawing up the medication and for administering the medication.
Correct Answer: 2
Rationale 1: A filter needle is used to draw medication from an ampule.
Rationale 2: The nurse uses a filter needle to draw medication up from an ampule to remove any possible shards of glass from the liquid.
Rationale 3: If the filter needle was used to inject the client, the trapped shards of glass would be injected into the muscle.
Rationale 4: The nurse uses a filter needle to draw medication up from an ampule to remove any possible shards of glass from the liquid. The filter needle is then changed to a regular needle prior to administering the liquid to the client. If the filter needle was used to inject the client, the trapped shards of glass would be injected into the muscle.
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