Injectable insulins are available in ultra-rapid acting, short-acting, intermediate-acting, and long-acting preparations. Select the correct statement regarding the action of subcutaneous insulin lispro (Humalog), insulin aspart (Novolog) both ultra-rapid insulins.
a) Onset 5-15 minutes; peak 30-90 minutes, duration about 3 hours
b) Onset 1-2 hours; peak 6-12 hours, duration 18-24 hours
c) Onset 30-60 minutes; peak 2-4 hours, duration 6-8 hours
d) Slow onset with no peak; duration more than 24 hours
