noun, Biochemistry. 1. a pigment containing melanin, found in bird feathers. Origin of eumelanin. eu- + melanin.
1 In the United States, rapid-acting insulin, Lyspro (humalog) is mixed with NPH in a 50:50 (50% NPH and 50% insulin Lyspro) and 75:25 (75% NPH and 25% insulin Lyspro) ratio.  Insulin/Aspart (Novolog) combinations also are available as 70:30 mixtures (70% NPH, 30% insulin aspart).
Learn how to mix insulin clear to cloudy. Drawing up and mixing insulin is a skill that nurses will utilize on the job. Insulin is administered to patients who have diabetes. These type of patients depend on insulin so their body can use glucose. Therefore, nurses must be familiar with how to mix insulin.