These two questions are giving me the beans:- 1. Give 50 mg of tobramycin in 100ml of D5W over 30 min. The drop factor is 15=drops=1 mL. You would piggyback this medication into the main IV and set the drip rate at _____ gtt/min 2. The physician prescribed morphine sulfate 1 gram in 100mL D5 NSS to infuse at 10mg per hour. Calculate the flow rate in gtt/min. You would give ________ gtt/min using a microdrip I like to use Dimension & Analysis a lot. Put the givens into the equation and cross off the factors = answers that you're looking for! Answer Question 1 gtt = 15gtt x 100mL (cross off mL and divide) = 50 gtt/min min 1 mL 30 min Note: You don't need to use 50 mg; this is just to throw you off. Question 2 microdrip = 60gtt/mL gtt = 60gtt x 100mL x 1 g x 10mg = 1 gtt/min min 1 mL 1gram 1000mg 60 min (1hr)