Which of the following is the recommended method of mixing insulins?

Question

Mix gently by rolling the container between the palms of the hands
Add lente insulin first, then regular insulin
Add both types simultaneously to the container
Shake the container vigorously

Answer 1

Mix gently by rolling the container between the palms of the hands

Rationale: The recommended method of mixing insulin is to perform this gently, by rolling the container between the palms of the hands. It is important not to shake the container vigorously, since this may break protein structures.