A nurse is preparing to administer epoetin alfa 7,000 units subcutaneous once a week to a client. Available is epoetin alfa 20,000 units/mL. How many mL should the nurse administer?
(Round the answer to the nearest hundredth. Use a leading zero if it applies. Do not use a trailing zero.)
The Correct Answer is ["0.35"]
To calculate the dosage of epoetin alfa for a client, the nurse needs to use the following formula:
Dose (mL) = Ordered dose (units) / Available dose (units/mL)
Plugging in the values from the question, we get:
Dose (mL) = 7,000 units / 20,000 units/mL
Dose (mL) = 0.35 mL
The nurse should administer 0.35 mL of epoetin alfa to the client once a week.
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Related Questions
Correct Answer is ["83"]
Explanation
To calculate the manual IV flow rate, the nurse needs to use the following formula:
Flow rate (gtt/min) = Volume (mL) x Drop factor (gtt/mL) / Time (min)
Plugging in the given values, we get:
Flow rate (gtt/min) = 250 mL x 10 gtt/mL / 30 min
Flow rate (gtt/min) = 2500 gtt / 30 min
Flow rate (gtt/min) = 83.33 gtt/min
The nurse should set the manual IV flow rate to deliver 83 gtt/min.
Correct Answer is ["2.1"]
Explanation
To calculate the dosage of tobramycin for a client who weighs 85 kg, the nurse should first determine the total daily dose by multiplying the weight by the prescribed dose per kg.
This gives 3 mg/kg/day x 85 kg = 255 mg/day.
Next, the nurse should divide the total daily dose by the number of doses per day to get the dose per administration.
This gives 255 mg/day / 3 doses/day = 85 mg/dose.
Finally, the nurse should use the formula D/H x Q to find the volume to be administered, where D is the desired dose, H is the dose on hand, and Q is the quantity on hand.
This gives 85 mg/dose / 40 mg/mL x 1 mL = 2.125 mL/dose.
Therefore, the nurse should administer 2.1 mL of tobramycin per dose to the client.
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