A nurse is caring for a client who has a prescription for magnesium hydroxide 30 mL PO every morning PRN constipation.
Available is magnesium hydroxide 240 mL. How many mL should the nurse administer per dose? (Round the answer to the nearest tenth.
Use a leading zero if it applies.)
The Correct Answer is ["30"]
Step 1: mL ÷ 240 mL = 0.125 Step 2:.125 × 240 mL = 30 mL The nurse should administer 30 mL per dose.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["1.1"]
Explanation
Step 1: Convert the weight from pounds and ounces to kilograms. 8 lb 4 oz = 8.25 lb 8.25 lb ÷ 2.2 = 3.75 kg Step 2: Calculate the dose per minute. 1 mcg/kg/min × 3.75 kg = 3.75 mcg/min Step 3: Calculate the total dose per hour. 3.75 mcg/min × 60 min/hr = 225 mcg/hr Step 4: Determine the concentration of the solution. 50 mg = 50,000 mcg 50,000 mcg = 250 mL 225 mcg = (225 mcg × 250 mL) ÷ 50,000 mcg = 1.125 mL/hr Step 5: Round to the nearest tenth. 1.125 mL/hr ≈ 1.1 mL/hr The IV pump should be set to deliver 1.1 mL/hr.
Correct Answer is ["360"]
Explanation
Step 1 is… (6 milliunits/min × 60 min/hr) ÷ 1 milliunit/mL Step 2 is… 360 milliunits/hr ÷ 1 milliunit/mL Step 3 is… 360 mL/hr The final calculated answer is 360 mL/hr.
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