When preparing for a subcutaneous injection, the proper size of syringe and needle would be:
- Syringe 2 ml and needle gauge 22
- Syringe 1-3 ml and needle gauge 25 to 27
- Syringe 3-5 ml and needle gauge 21 to 23
- Tuberculin syringe 1 ml with needle gauge 26 or 27
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