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 C
Explanation
Choice A reason: While bowel incontinence is a concern, it does not pose an immediate threat to the client's physiological stability like fluid volume deficit does.
Choice B reason: Impaired bed mobility is important to address for long-term rehabilitation, but it is not the most immediate threat to life.
Choice C reason: Fluid volume deficit, especially due to diarrhea, can lead to dehydration and is a life-threatening condition that requires immediate intervention.
Choice D reason: Caregiver role strain is a significant issue but does not take precedence over the client's immediate physical health needs.
Correct Answer is A
Explanation
Choice A reason: Before initiating tube feeding, it is crucial to ensure that the gastrointestinal system is functioning. The presence of bowel sounds indicates peristalsis, which is necessary for the digestion and absorption of the feeding.
Choice B reason: While measuring the client's total body weight is important for overall assessment and monitoring of nutritional status, it is not the most critical assessment before starting tube feeding.
Choice C reason: Evaluating the client's ability to swallow is not relevant in this scenario since the client will be receiving nutrition through a feeding tube due to malnutrition and dehydration.
Choice D reason: Observing for signs of fluid volume deficit is important, but the immediate concern before starting tube feeding is to confirm gastrointestinal activity through the presence of bowel sounds.
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