Math Flashcards
A dosage of 75 units has been ordered from an available strength of 90 units in 1.5 ml. How much will be drawn up?
a. ) 1.0 ml
b. ) 1.2 ml
c. ) 1.25 ml
d. ) 1.4 ml
c.) 1.25 ml
The client is ordered to receive Digoxin 0.25 mg. The digoxin level is 1.6 ng/ml. The pills on hand are 0.125 mg. The client will receive how many pills?
a. ) 0 pills
b. ) Half a pill
c. ) 1 pill
d. ) 2 pills
d.) 2 pills
The nurse is making an IV bag and adding potassium chloride to 1000cc to D5.45NS to make 20 meq in each liter bag. How many ccs are needed if the potassium chloride vial reads 40 meq/40ml?
a. ) 5 ccs
b. ) 10 ccs
c. ) 20 ccs
d. ) 25 ccs
c.) 20 ccs
What is the flow rate to infuse 1000cc D5.45 NS with 45,000 u Heparin at 1600 u/hr using an IV controller.
36 mL/hr
Gentamycin 180 mg in 150ml is to be infused in 1 hr using a microdrip set. Calculate the flow rate.
150 gtt/min
Metoprolol (a beta blocker) 50 mg is ordered for a client. The client’s pulse is 65 bpm, BP 120/80.
the pills available are metoprolol 100 mg. How many pills will be given.
a. ) 0 pills
b. ) Half a pill
c. ) 1 pill
d. ) 2 pills
b.) Half a pill
a. ) What is the infusion time for 1000 ml of D5W ordered at a rate of 60 ml/hr?
b. ) If you hung the bag at 2000, what time would the D5W IV bag finish?
a. ) 16 hours and 40 minutes
b. ) 1240 or 12:40 P.M.
Codeine i gr is ordered po q4h prn for pain. The available pills are 60 mg. How many pills will be given?
a. ) ½ pill
b. ) 1 pill
c. ) 2 pills
d. ) 2 ½ pills
b.) 1 pill
A dehydrated patient is to receive 1200ml to infuse over 4 hours using a 10gtt/ml set via gravity. After 1½ hours, only 200 ml has been infused. At what rate will you need to reset the flow for the new volume?
67 gtt/min
What will be the rate of the isotonic fluid of NS 1000cc to go over 6 hours on an IV pump?
167 mL/hr
a. ) Calculate the u/hr of Heparin infusing at 25 gtt/min from a solution strength of 25,000 units in 500 ml D5W. A microdrip is being used.
b. ) Based on your answer above, is the heparin dose within the therapeutic range in a 24 hour period?
a. ) 1,250 units/hr
b. ) 30,000 units per hour (Yes, 30,000 units is within 20,000 to 40,0000 units per 24 hours)
Demerol 50mg and Vistaril 25 mg IM has been ordered for pain control. The vials available are Demerol 100 mg/ml and Vistaril 50 mg per ml. How many ccs will be drawn up of each drug?
a. ) Demerol 0.5cc and Vistaril 0.5cc for a total of 1 cc
b. ) Demerol 0.5 cc and Vistaril 1 cc for a total of 1.5 ccs
c. ) Demerol 1cc and Vistaril 1 cc for a total of 2 ccs
d. ) Demerol 1 cc and Vistaril 2 ccs for a total of 3 ccs
a.) Demerol 0.5cc and Vistaril 0.5cc for a total of 1 cc
The order is for Heparin to infuse at 1200 units/hr. The solution strength is 50,000 units in 500 ml of D5W. A 25 gtt/ml set is being used. Calculate the flow rate.
5 gtt/min
A heparin solution with a strength of 10,000 units in 250 ml is infusing at a rate of 15 gtt/min using a 15gtt/ml set. Calculate the hourly dosage rate.
2400 units/hr
Liquid digoxin is ordered for a client with a PEG tube feeding. The dose ordered is 0.125 mg. The med comes in 0.25 mg/5ml. How much will the client receive?
a. ) 0.25 ml
b. ) 1.25 ml
c. ) 2.0 ml
d. ) 2.5 ml
d.) 2.5 ml