Final answer:
Insulin lispro mix 75/25 can be safely mixed with regular human insulin in the same syringe.
Step-by-step explanation:
The type of insulin that can be safely mixed with regular human insulin in the same syringe is insulin lispro mix 75/25.
Insulin lispro mix 75/25 is a combination of short-acting insulin lispro and intermediate-acting insulin lispro protamine.
It is important to note that insulin glargine, insulin detemir, and isophane insulin neutral protamine hagedorn (NPH) should not be mixed with regular human insulin as it can affect their effectiveness and stability.