Medication Calculations

Question 1

A healthcare provider’s prescription reads to start a continuous infusion of insulin at a rate of 7.5 units per hour on a 70kg client. The nurse has a bag that contains 50 units in 50mL. At what rate should the nurse start the infusion?

 Key units:

7.5 units per hour

70 kilograms

50 units in 50 mL

 

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Question 2

The client has been newly diagnosed with late latent syphilis and has been prescribed Benzathine penicillin G, 7.2 million units divided over 1-week intervals for 3 weeks. The pharmacy provides the medication in 1.2 million units/2 mL concentration. The injection will be administered into the ventrogluteal site. (note: the maximum amount that can be inject into one site is 3 mL) How many total injections will the client receive for this prescription? Enter your response using a whole number.

 Key units:

7.2 million units divided over 1-week for 3 weeks

1.2 million units per 2 mL

Maximum injection for one site is 3 mL

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Question 3

The client diagnosed with septicemia due to methicillin-resistant staphylococcus aureus (MRSA) is prescribed vancomycin IV 30 mg/kg/day, divided q6h. The client weighs 64 kg. The pharmacy dispenses the vancomycin with a concentration of 5 mg/mL. How many milliliters does the nurse administer with each dose? Enter your response using a whole number. 

 Key units:

30 mg/kg/day

6 hours

64 kg

5 mg/mL

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Question 4

A healthcare provider’s prescription reads to administer an oral dose (PO) of 150mcg of levothyroxine (Synthroid). Pharmacy sends 0.1mg pills. How many pills should the nurse provide to the client? 

 Key units:

150 mcg

0.1 mg pills

 

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Question 5 (need to change) 

A healthcare provider’s order reads to administer dobutamine at a rate of 4mcg/kg/min. The nurse has a dobutamine bag with a concentration of 200mg/100mL. What is the rate (in mL/h) that the nurse should set up on the pump provided that the client weight is 80kg?

 Key units:

4 mcg/kg/min

200 mg/100mL

80 kg

 

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Question 6 (need to change)

A healthcare provider’s prescription reads to administer an intravenous (IV) dose of 1,000mg of valproic acid. The medication vial reads 2g/10mL. How many milliliters should the nurse administer?

 Key units:

1,000 mg

2 g per 10 mL

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Question 7 (need to change

A healthcare provider’s prescription reads to administer a bolus of 12 units/kg of intravenous (IV) heparin. The heparin vial reads 5,000units/1mL. How many milliliters should the nurse administer for a client that weights 70kg? Round to two decimals.

 Key units:

12 units/kg

5,000 units per 1 mL

70 kg

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Question 8 (need to change) 

A healthcare provider’s prescription reads to administer 3 teaspoons of pediatric acetaminophen to a 6 year old client through his nasogastric tube. How many milliliters should the nurse give?

 Key units:

3 teaspoons 

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Question 9 (change question)

A healthcare provider gives a verbal order to administer 2 bottles of albumin to a client over 4 hours. How many milliliters per hour should the nurse administer knowing each bottle has a volume of 500mL?

 Key units:

2 bottles of 500 mL each

4 hours

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Question 10 (change question)

A healthcare provider’s prescription reads to administer an intravenous (IV) dose of 7,500 units of heparin. The vial label reads 5,000units/1mL. How many milliliters should the nurse administer?

 Key units:

7,500 units

5,000 units per 1 mL

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