Question

scenario
assume that the provider prescribes mrs. turner insulin aspart 16 units subcutaneous tid at mealtimes. when mrs. turner returns home, the provider would like to switch her meal - time insulin administration to a pen delivery device instead of insulin syringes. the provider will keep the same dose. assume that mrs. turner eats three meals a day.
question
if the pen cartridges contain 3 ml of u - 100 insulin aspart, how often will mrs. turner need to replace the cartridge?
round your answer down to the nearest whole day.

Explanation:

Step1: Calculate daily insulin units

Mrs. Turner takes 16 units per meal, 3 meals a day. So daily units = \(16 \times 3 = 48\) units/day.

Step2: Find units in cartridge

U - 100 insulin means 100 units per mL. Cartridge is 3 mL, so total units in cartridge = \(100 \times 3 = 300\) units.

Step3: Calculate days per cartridge

Days = total units in cartridge / daily units = \(\frac{300}{48} = 6.25\). Round down to nearest whole day.

Answer:

6