Deck 16: Heparin Administration

Question 1

A provider orders a heparin bolus of 80 units/kg. The patient weighs 92 kg. The pharmacy supplies heparin in a vial containing 20,000 units/mL. _____mL

Answer 1

1.6 mL

Question 2

A provider orders a continuous heparin infusion to begin at 21 units/kg/hr. The patient weighs 88 kg. The pharmacy supplies heparin in a premixed bag of 20,000 units in 250 mL 5% dextrose solution. _____ mL/hr

Answer 2

28.8 mL/hr

Question 3

A provider orders UH 7,500 units, subcutaneously, daily. The pharmacy provides UH in a vial with a concentration of 5,000 units/mL. _____ mL

Answer 3

1.5 mL

Question 4

A provider orders tinzaparin 10,000 anti-Xa units, subcutaneously, daily. The pharmacy supplies tinzaparin in a vial containing 20,000 anti-Xa units/mL. _____ mL

Question 5

The major difference between unfractionated heparin (UH) and low-molecular-weight heparin (LMWH) is related to the:
1. Size of the molecules-UH is a large molecule compared with LMWH.
2. Source of the drug-UH is derived from bovine lungs and LMWH is derived from pig intestines.
3. Testing of effectiveness-Serum levels of LMWH must be done every 2 days during therapy.
4. Route of administration-LMWH cannot be administered subcutaneously.

Question 6

A provider orders a heparin bolus of 6,000 units intravenously. The pharmacy supplies heparin in a vial containing 10,000 units/mL. _____ mL

Question 7

A patient has a continuous heparin infusion running at 9 mL/hr. The infusion bag hanging has 40,000 units in 250 mL 5% dextrose solution. According to the hospital's heparin protocol, the heparin infusion should be decreased by 200 units/hr. _____ units/hr

Question 8

A patient has a continuous heparin infusion running at 1,200 units/hr. The infusion bag hanging has 25,000 units in 500 mL 5% dextrose solution. According to the hospital's heparin protocol, the heparin infusion should be decreased by 100 units/hr. _____ mL/hr

Question 9

A provider orders a continuous heparin infusion to begin at 18 units/kg/hr. The patient weighs 53 kg. The pharmacy supplies heparin in a premixed bag of 40,000 units in 500 mL 5% dextrose solution. _____ mL/hr

Question 10

A patient has a continuous heparin infusion running at 1,150 units/hr. The infusion bag currently hanging has 20,000 units in 250 mL 5% dextrose solution. According to the hospital's heparin protocol, the heparin infusion should be increased by 100 units/hr.
_____ mL/hr

Question 11

A provider orders enoxaparin 40 mg, subcutaneously, daily. The pharmacy provides a prefilled syringe with 60 mg in 0.6 mL. _____ mL

Question 12

A provider orders a continuous heparin infusion to begin at 14 units/kg/hr. The patient weighs 74 kg. The pharmacy supplies heparin in a premixed bag of 20,000 units in 500 mL 5% dextrose solution. _____ mL/hr

Question 13

A provider orders UH 5,000 units, subcutaneously, daily. The pharmacy provides UH in a vial with a concentration of 10,000 units/mL. _____ mL

Question 14

A provider orders a continuous heparin infusion to begin at 16 units/kg/hr. The patient weighs 69 kg. The pharmacy supplies heparin in a premixed bag of 25,000 units in 500 mL 5% dextrose solution. _____ mL/hr

Question 15

A patient has a continuous heparin infusion running at 12.3 mL/hr. The infusion bag hanging has 40,000 units in 500 mL 5% dextrose solution. According to the hospital's heparin protocol, the heparin infusion should be decreased by 200 units/hr. _____ units/hr

Question 16

A patient has a continuous heparin infusion running at 900 units/hr. The infusion bag currently hanging has 25,000 units in 250 mL 5% dextrose solution. According to the hospital's heparin protocol, the heparin infusion should be decreased by 200 units/hr. _____ mL/hr

Question 17

A patient has a continuous heparin infusion running at 850 units/hr. The infusion bag currently hanging has 40,000 units in 500 mL 5% dextrose solution. According to the hospital's heparin protocol, the heparin infusion should be decreased by 100 units/hr. _____ mL/hr

Question 18

A patient has a continuous heparin infusion running at 14.2 mL/hr. The infusion bag currently hanging has 20,000 units in 250 mL 5% dextrose solution. According to the hospital's heparin protocol, the heparin infusion should be decreased by 100 units/hr. _____ units/hr

Question 19

A patient has a continuous heparin infusion running at 14.5 mL/hr. The infusion bag hanging has 25,000 units in 250 mL 5% dextrose solution. According to the hospital's heparin protocol, the heparin infusion should be decreased by 100 units/hr. _____ units/hr

Question 20

A provider orders a heparin bolus of 60 units/kg. The patient weighs 67 kg. The pharmacy supplies heparin in a vial containing 5,000 units/mL. _____ mL