A nurse is preparing to administer morphine 4 mg subcutaneous to a client. Available is morphine 10 mg/mL. How many mL should the nurse administer? (Round the answer to the nearest tenth. Use a leading zero if it applies. Do not use a trailing zero.)
The Correct Answer is ["0.4 "]
Volume (mL) = Desired dose / Concentration
Volume (mL) = 4 mg / 10 mg/mL
Volume (mL) = 0.4 mL
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
A. Dose/strength - The prescription should specify the amount or concentration of the medication to be applied.
B. Time/frequency - The prescription already includes the time/frequency: "twice a day."
C. Medication name - The prescription already includes the medication name: "fluocinolone cream."
D. Route - The prescription already specifies the route: "apply topically."
Correct Answer is ["1"]
Explanation
Client's weight: 220 lb
Desired dose of enoxaparin: 1 mg/kg
Available strength of enoxaparin: 30 mg/0.3 mL
First, convert the client's weight from pounds to kilograms:
220 lb ÷ 2.20462 ≈ 99.79 kg
Now, calculate the desired dose of enoxaparin:
Desired dose = Dosage per kg × Weight Desired dose = 1 mg/kg × 99.79 kg ≈ 99.79 mg 30mg = 0.3ml
Therefore, 99.79mg = 99.79 * 0.3/30
=0.9979
Rounded off to the nearest whole number= 1ml
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