Answer:
3 mg
Step-by-step explanation:
If the patient is less than 70 years old, the loading dose is 80 Howell Units
per kilogram of  DM. One Howell Unit is equivalent to 0.0020 mg of pure heparin. Â
2. Calculate how many mg of pure heparin is in 80 Howell Units
Let's calculate Dosing mass first, as per given formula:
As body fat is 10%,
As TBM is given = 40 lbs
Converting to kg
Since dosing mass and dosing rate known, we can calculate loading dose: