Although the latter can adapt himself to the use of a syringe of ... taking up of U 40 insulin to the "15" mark on the U 20 scale would actually result in a dose of 30 units.
For the vial and syringe group, if the number of units of insulin administered per patient was 1000 or less, this was equivalent to one vial. For the vial and syringe group, the total number of ...
The places where you inject insulin may depend on the type of syringe or prefilled insulin pen you use. You should rotate these injection sites on your skin each time you inject insulin.