questions and answers
The physician orders 1000 mL lactated Ringer's to infuse at 125 mL/h for a
postoperative patient. Tubing drop factor is 10 gtt/mL. Calculate the flow rate in drops
per minute. Correct answer- 21 gtt/min
CALCULATION:
125mL*10 gtt per mL/60 min
Zyvox 600 mg IV once a day is ordered for a patient. The Zyvox is dissolved in 350 mL
of NS and should infuse over 1 hour. Using tubing with a drop factor of 20 gtt/mL, how
many drops per minute should the Zyvox be infused Correct answer- 117 gtt/min
CALCULATION:
350mL*20 gtt per mL/60 min
The patient has Levaquin 500 mg ordered once daily. The Levaquin is available in 150
mL of NS and should infuse over 1 hour. Using tubing with a 15 gtt/mL drip factor, how
many drops per minute should the Levaquin be infused? Correct answer- 38 gtt/min
CALCULATION:
150mL*15 gtt per mL/60 min
The physician orders Kefzol 2 g in 150 mL of NS IVPB to infuse over 45 minutes.
Tubing drop factor is 10 gtt/mL. Calculate the flow rate in drops per minute. Correct
answer- 33 gtt/min
CALCULATION:
150mL*10 gtt per mL/45 min
The physician orders vancomycin 500 mg in 100 mL of D5W IVPB daily to infuse over 2
hours. Tubing drop factor is 15 gtt/mL. Calculate the flow rate in drops per minute.
Correct answer- 13 gtt/min
CALCULATION:
100mL*15 gtt per min/120 min
Tygacil 50 mg IV once a day is ordered for a patient. The Tygacil is dissolved in 150 mL
of NS and should infuse over 30 minutes. Using tubing with a drop factor of 20 gtt/mL,
how many drops per minute should the Tygacil be infused? Correct answer- 100 gtt/min