The healthcare provider prescribes magnesium hydroxide 4,800 mg PO at bedtime for a patient with constipation. The bottle is labeled, "Magnesium Hydroxide Saline Laxative, USP 400 mg per 5 mL". How many ounces should the nurse instruct the patient to take with each dose? (Enter numerical value only.)
The Correct Answer is ["2"]
The healthcare provider has prescribed 4,800 mg of magnesium hydroxide. The bottle indicates that each 5 mL contains 400 mg of magnesium hydroxide. We also know that 1 ounce (oz) is equivalent to 30 mL.
Step 1: The amount of magnesium hydroxide the patient needs is 4,800 mg.
Step 2: The concentration of the magnesium hydroxide solution is 400 mg per 5 mL. Step 3: Substitute the values into the formula: 4,800 mg ÷ (400 mg/5 mL).
Step 4: Calculate the volume in mL: 4,800 ÷ (400/5) = 60 mL.
Now, we need to convert this volume from mL to ounces.
Step 5: We know that 1 oz = 30 mL.
Step 6: Substitute the values into the formula: 60 mL ÷ 30 mL/oz.
Step 7: Calculate the volume in oz: 60 ÷ 30 = 2 oz.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
Choice A reason: Having the client sign a new surgical permit is not necessary unless the surgeon agrees to the addition of the procedure after being informed.
Choice B reason: The nurse should inform the surgeon about the client's request to include the removal of the second lipoma. The surgeon will decide if it is feasible and safe to add the procedure to the current surgical plan.
Choice C reason: The nurse cannot unilaterally add procedures to a surgical permit; this must be done by the surgeon after evaluating the client's condition and the risks involved.
Choice D reason: Notifying the surgical staff of the client's confusion does not address the client's request and may not lead to a resolution of the issue.
Correct Answer is ["2"]
Explanation
The healthcare provider has prescribed 4,800 mg of magnesium hydroxide. The bottle indicates that each 5 mL contains 400 mg of magnesium hydroxide. We also know that 1 ounce (oz) is equivalent to 30 mL.
Step 1: The amount of magnesium hydroxide the patient needs is 4,800 mg.
Step 2: The concentration of the magnesium hydroxide solution is 400 mg per 5 mL. Step 3: Substitute the values into the formula: 4,800 mg ÷ (400 mg/5 mL).
Step 4: Calculate the volume in mL: 4,800 ÷ (400/5) = 60 mL.
Now, we need to convert this volume from mL to ounces.
Step 5: We know that 1 oz = 30 mL.
Step 6: Substitute the values into the formula: 60 mL ÷ 30 mL/oz.
Step 7: Calculate the volume in oz: 60 ÷ 30 = 2 oz.
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