The health care provider prescribes 10 mg morphine sulfate IM for a postoperative 145 lb. client
If the recommended dose for morphine sulfate is 0.1-0.2 mg/kg/dose, what is the dosage range of morphine sulfate for this client and is the prescribed dose of morphine sulfate safe for this client?
a. Yes because the client can receive up to 20 mg per dose.
b. Yes because the client can receive between 6.6 mg and 13 mg per dose
c. No because the client can only receive a maximum of 6.5 mg per dose.
d. No because the client can only receive a maximum of 4 mg per dose.
ANS: B
Feedback
A Incorrect: Yes the dose is safe, but the client can only receive a maximum of 13 mg/dose.
B Correct: Divide 145 pounds by 2.2 = 65.9 kg; multiply 65.9 by 0.1 to calculate the minimum dose and 65.9 by 0.2 for the maximum dose = a range of 6.6 mg to 13 mg/dose; so a dose of 10 mg is safe.
C Incorrect: The dose is safe and the client can receive up to 13 mg/dose.
D Incorrect: The dose is safe and the client can receive up to 13 mg/dose.
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