A nurse is preparing to administer filgrastim 480 mcg subcutaneous daily. Available is filgrastim injection 300 mcg/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 ["1.6"]
To calculate the dose of filgrastim, the nurse should use the following formula:
Dose (mL) = Ordered dose (mcg) / Available dose (mcg/mL)
Plugging in the values from the question, we get:
Dose (mL) = 480 mcg / 300 mcg/mL
Dose (mL) = 1.6 mL
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Related Questions
Correct Answer is ["100"]
Explanation
To determine the number of doses in the vial, we can use the information provided on the label. The vial contains 10 mL of insulin glargine, and each mL has a concentration of 100 units.
Number of units in the vial = Concentration * Volume
Number of units in the vial = 100 units/mL * 10 mL
Number of units in the vial = 1000 units
Therefore, the vial contains 1000 units of insulin glargine. Since the client is to receive 10 units per dose, we can calculate the number of doses:
Number of doses = Total units in the vial / Units per dose
Number of doses = 1000 units / 10 units/dose
Number of doses = 100 doses
So, the vial contains 100 doses of insulin glargine.
Correct Answer is ["10"]
Explanation
To give a patient cetirizine 5 mg PO, the nurse needs to measure the correct amount of liquid medicine. The medicine has a concentration of cetirizine 2.5 mg/5 mL, which means that every 5 mL of liquid contains 2.5 mg of cetirizine.
To find out how many mL of liquid are equivalent to 5 mg of cetirizine, the nurse can use a proportion:
2.5 mg / 5 mL = 5 mg / x mL
Cross-multiplying and solving for x, the nurse gets:
x = (5 mL x 5 mg) / 2.5 mg
x = 10 mL
Therefore, the nurse should administer 10 mL of liquid medicine to give the patient cetirizine 5 mg PO.
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