I need ten because I have to give myself a shot every day for ten days.” Me: “The package you gave me has only nine syringes. That evening, I found only nine syringes in the package. The last time I did this, I picked up the package of syringes at the local pharmacy. After using it, each syringe had a safety cover that snapped out and locked, covering the needle. The medicine was packaged in 100-ml syringes, but my daily dose was 90 ml, so I had to be careful to only inject the right amount. To prepare for medical procedures, I sometimes had to give myself a shot of heparin every day for ten days prior.
