A nurse preparing to administer heparin 10,000 units subcutaneous every 8 hr. Available i heparin injection 20,000 units/mL. How many mL should the nurse administer per dose? (Round the answer to the nearest tenth. Use a leading zero if it applies. Do not use a trailing zero.)
The Correct Answer is ["0.5"]
Determine the desired dosage:
The nurse needs to administer 10,000 units of heparin.
Determine the volume per dose:
The heparin injection contains 20,000 units per 1 mL.
The nurse needs to administer 10,000 units per dose.
To find the volume per dose:
20,000 units / 1 mL = 10,000 units / x mL
Cross-multiplying gives us:
20,000x = 10,000
Dividing both sides by 20,000, we get:
x = 0.5 mL
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Related Questions
Correct Answer is ["0.75"]
Explanation
Set up the dosage calculation:
Desired dose:60 mg
Available concentration:80 mg/mL
We need to find out how many mL will contain 60 mg of methylprednisolone acetate.
Use the formula:
Volume (mL) = Desired dose (mg) / Available concentration (mg/mL)
Plug in the values and calculate:
Volume (mL) = 60 mg / 80 mg/mL
Volume (mL) = 0.75 mL
Round to the nearest hundredth:
0.75mL
Correct Answer is ["0.1"]
Explanation
Determine the desired dosage:
The nurse needs to administer 100 mcg of cyanocobalamin.
Determine the volume per dose:
The cyanocobalamin injection contains 1000 mcg per 1 mL.
The nurse needs to administer 100 mcg per dose.
To find the volume per dose, we can set up a proportion:
1000 mcg / 1 mL = 100 mcg / x mL
Cross-multiplying gives us:
1000x = 100
Dividing both sides by 1000, we get:
x = 0.1 mL
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