Calculate Units of Heparin Per Kg of Body Weight $75 \text { units }$

Calculate units of heparin per kg of body weight.
-Ordered: A loading dose of heparin to infuse at $75 \text { units }$ per kg. The patient weighs $120 \mathrm{~kg}$ .
Available: $500 \mathrm{~mL}$ D5W with $15,000 \text { units }$ of heparin. Titrate to infuse at $1000 \text { units }$ per hr.
a. Calculate the units needed for the loading dose.
b. Calculate the mL per hr to set the electronic infusion device.