medication calculation

a nurse is preparing to administer methylprednisolone 10 mg by iv bolus. the amount available is methylprednisolone injection 40 mg/ml. how many ml should the nurse administer?

0.3 ml.

a nurse is preparing to administer ketorolac 0.5 mg/kg iv bolus every 6 hr to a school-age child who weighs 66 lb. the amount available is ketorolac injection 30 mg/ml. how many ml should the nurse administer per dose?

0.5 ml.

a nurse is preparing to administer dextrose 5% in water (d5w) 1000 ml iv to infuse over 10 hr. the nurse should set the iv infusion pump to deliver how many ml/hr?

100 ml/hr.

the health care provider orders heparin 25000 units in 250 ml 0.45% ns to infuse at 1200 units/hr. calculate ml/hr.

12 ml/hr.

the health care provider ordered dobutamine 250 mg iv in 250 ml d5w to infuse at 5 mcg/kg/min. the client weighs 80 kg. calculate ml/hr.

24 ml/hr.

a nurse is preparing to administer 0.9% sodium chloride (0.9% nacl) 250 ml iv to infuse over 30 min. the drop factor of the manual iv tubing is 10 gtt/ml. the nurse should adjust the manual iv infusion to deliver how many gtt/min?

83 gtt/min.

rounding rules for high-risk medication.

high-risk medications such as insulin, antineoplastic, vasoactive meds, & heparin require an exact amount as prescribed & any rounding should be in accordance with institutional policies or as directed in the test item.

g to mg.

1 g = 1,000 mg.

gr to mg.

1 gr = 60 mg.

a nurse is preparing to administer acetaminophen 320 mg po every 4 hr prn for pain. the amount available is acetaminophen liquid 160 mg/5 ml. how many ml should the nurse administer per dose?

10 ml.

a nurse is preparing to administer cefotaxime 1 g intermittent iv bolus over 45 min. available is cefotaxime 1 g in 100 ml 0.9% sodium chloride (0.9% nacl). the nurse should set the iv infusion pump to deliver how many ml/hr?

133 ml/hr.

a nurse is preparing to administer ranitidine 150 mg by intermittent iv bolus. available is ranitidine 150 mg in 100 ml of 0.9% sodium chloride (0.9% nacl) to infuse over 30 min. the drop factor of the manual iv tubing is 10 gtt/ml. the nurse should administer the manual iv infusion to deliver how many gtt/min?

33 gtt/min.

when do you round decimals to the hundredths place?

if the amount is less than 1 ml.

kg to lb.

1 kg = 2.2 lb.

l to ml.

1 l = 1,000 ml.

mg to mcg.

1 mg = 1,000 mcg.

ml to gtt.

1 ml = 15 gtt.

the health care provider orders 500 mg of amoxicillin to be administered in a gastric tube every 8 hr. the bottle of amoxicillin is labeled 400 mg/5 ml.

6.3 ml.

round medication calculation answers to the _____ place.

tenths.

what do you round to when calculating drops?

whole number.

a nurse is preparing to administer dextrose 5% in water (d5w) 500 ml iv to infuse over 4 hr. the nurse should set the iv infusion pump to deliver how many ml/hr?

125 ml/hr.

oz to ml.

1 oz = 30 ml.

pint to ml.

1 pint = 500 ml.

quart to ml.

1 quart = 1000 ml.

tbsp to ml.

1 tbsp = 15 ml.

cup to oz.

1 cup = 8 oz.

kg to g.

1 kg = 1,000 g.

tbsp to tsp.

1 tbsp = 3 tsp.

tsp to ml.

1 tsp = 5 ml.

a nurse is preparing to administer lactated ringer's (lr) 1500 ml iv to infuse over 10 hr. the drop factor of the manual iv tubing is 15 gtt/ml. the nurse should adjust the manual iv infusion to deliver how many gtt/min?

38 gtt/min.

what do you round to when calculating iv fluids without medication additives?

whole number.

the health care provider orders 0.45 g penicillin v potassium through a gastric tube. the vial label reads: penicillin v potassium 125 mg/5 ml.

18 ml.

a nurse is preparing to administer phenytoin 0.2 g po every 8 hr. the amount available is phenytoin 100 mg/capsule. how many capsules should the nurse administer per dose?

2 capsules.

a nurse is preparing to administer cefixime 8 mg/kg/day po to divide equally every 12 hr to a toddler who weighs 22 lb. available is cefixime suspension 100 mg/5 ml. how many ml should the nurse administer per dose?

2 ml.

a nurse is preparing to administer metoprolol 200 mg po daily. the amount available is metoprolol 100 mg/tablet. how many tablets should the nurse administer?

2 tablets.

a nurse is preparing to administer dextrose 5% in lactated ringer's (d5lr) 1000 ml to infuse over 6 hr. the drop factor of the manual iv tubing is 15 gtt/ml. the nurse should adjust the manual iv infusion to deliver how many gtt/min?

42 gtt/min.

a nurse is preparing to administer amoxicillin 0.25 g po every 8 hr. the amount available is amoxicillin oral suspension 250 mg/5 ml. how many ml should the nurse administer per dose?

5 ml.

the health care provider orders morphine sulfate 2 mg iv. the medication is available in a vial containing 10 mg/ml.

0.2 ml.

a nurse is preparing to administer heparin 8000 units subcutaneously every 12 hr. available is heparin injection 10000 units/ml. how many ml should the nurse administer per dose?

0.8 ml.

a nurse is preparing to administer lactated ringer's (lr) iv 100 ml over 15 min. the nurse should set the iv infusion pump to deliver how many ml/hr?

400 ml/hr.

body surface area calculations should be rounded to the _____ place.

hundredths.