A nurse is preparing to administer enoxaparin 40 mg subcutaneously for prevention of deep vein thrombosis.
Available is enoxaparin 100 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"]
Step 1: Divide the ordered dose by the available strength: 40 mg ÷ 100 mg/mL = 0.4 mL So, the nurse should administer 0.4 mL.
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Related Questions
Correct Answer is ["8"]
Explanation
Step 1: Convert the client’s weight to kg: 136 lb = 61.69 kg (approx) Step 2: Calculate the total dose: 10 mg/kg × 61.69 kg = 616.9 mg Step 3: Divide the total dose by the available strength:
616.9 mg ÷ 80 mg/mL = 7.71 mL Step 4: Round to the nearest whole number: 8 mL So, the nurse should administer 8 mL.
Correct Answer is ["2"]
Explanation
Step 1: The available ampicillin is in a 500 mg vial. The package insert instructs to add 1.8 mL of sterile water to yield ampicillin 250 mg/mL.
Step 2: We need to administer 500 mg of ampicillin. Step 3: The concentration of the solution is 250 mg/mL.
Step 4: To find out how many mL should the nurse administer per dose, we divide the required dose by the concentration.
Step 5: So, 500 mg ÷ 250 mg/mL = 2 mL. The nurse should administer 2 mL per dose.
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