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 using multiple people can increase safety, it is not the primary purpose of the log rolling technique.
Choice B reason: The log rolling technique is specifically designed to maintain straight spinal alignment, especially in patients with suspected spinal injuries, to prevent further injury.
Choice C reason: Reducing skin damage is a benefit of proper patient handling, but it is not the main reason for using the log rolling technique.
Choice D reason: Decreasing the risk of back injury to nurses is important, but the primary purpose of the log rolling technique is to protect the patient's spinal integrity.
Correct Answer is B
Explanation
This postoperative nursing scenario requires the application of non-pharmacological pain management strategies and safety protocols. Knowledge of gate control theory and surgical contraindications is essential to address breakthrough pain effectively while awaiting provider orders without compromising the integrity of the surgical site.
Choice A rationale: While massage can be soothing, 20 minutes of back massage and effleurage is physically demanding and may not be feasible in an acute care setting. Additionally, positioning a thoracic surgery client for a back massage might cause more incisional discomfort.
Choice B rationale: Guided imagery and slow rhythmic breathing are effective non-pharmacological interventions that reduce the perception of pain by decreasing autonomic nervous system arousal. These techniques empower the client and provide immediate relief without risk of injury to the incision.
Choice C rationale: Applying heat to a fresh surgical site is contraindicated because it increases vasodilation, which can lead to increased edema, bleeding, and potential incision dehiscence. Thermal devices should never be placed directly over a fresh operative site without specific orders.
Choice D rationale: Distraction through television or music can be a helpful adjunct, but it is often less effective than active cognitive-behavioral strategies like guided imagery for a pain level of 5. It serves as a passive intervention rather than an active coping skill.
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