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: While medication shortages can occur, this is not the typical reason for delivering a partial supply of medication for home health care.
Choice B reason: Daptomycin is an antibiotic that has a limited shelf life after it is mixed or reconstituted. This is why pharmacies often deliver only a portion of the doses to ensure the medication remains effective.
Choice C reason: Notifying the healthcare provider is necessary if there is a discrepancy in medication delivery that cannot be explained by standard pharmacy practices.
Choice D reason: Although instructions for medication administration may change, this is not the usual reason for a pharmacy to deliver a partial supply of medication.
Correct Answer is C
Explanation
Choice A reason: Reducing the amount of pressure may not be effective if the pulse is weak or absent; other methods may be needed to assess circulation.
Choice B reason: Documentation is important, but it should be done after all attempts to assess the pulse have been made.
Choice C reason: Using a Doppler stethoscope is a suitable next step when a pulse is not palpable, as it can detect weaker pulses not felt by palpation.
Choice D reason: Palpating the site on the inner side of the ankle below the medial malleolus assesses the posterior tibial pulse, not the dorsalis pedis pulse.
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