I don't know why im having such a hard time with this, all of a sudden.
I'm pretty sure my problem is that I never really learned dimensional analysis.
Here's the question. I don't understand what goes where, but more important, I don't understand WHY they go where they do. Any explanation would be greatly appreciated.
6. Order: A heparin drip is infusing at 20 ml/hr.
Drug Label: Heparin 25,000 units in 500 mL of D5W
At this rate, how many units of heparin per hour are being delivered?