A patient who is taking rifampin (Rifadin) for tuberculosis calls the clinic and reports having orange discolored urine and tears.
Which response by the nurse reflects accurate knowledge about the medication and the patient's illness?
Query the patient about experiencing shortness of breath, hives, or itching.
Explain that orange discolored urine and tears are normal while taking this medication.
Ask the patient about any visual changes in red-green color discrimination.
Advise the patient to stop the drug and report the symptoms to the health care provider.
The Correct Answer is B
Choice A rationale
While allergic reactions are a concern with many medications, rifampin's primary mechanism of action involves inhibiting bacterial RNA synthesis, leading to its characteristic orange discoloration of body fluids due to the drug's metabolic byproducts being excreted. Shortness of breath, hives, or itching are signs of a hypersensitivity reaction, which, while possible, are not the expected or normal physiological response to rifampin. This choice does not address the specific normal side effect reported.
Choice B rationale
Rifampin, an antibiotic used for tuberculosis, is known to induce an orange-red discoloration of body fluids, including urine, tears, sweat, and saliva. This phenomenon occurs because rifampin and its metabolites are highly pigmented and are excreted through these routes. It is a harmless, expected side effect due to the drug's inherent color and excretion pathway, and patients should be educated about this physiological change.
Choice C rationale
Ethambutol, another antitubercular drug, is specifically associated with optic neuritis, which can manifest as a decrease in visual acuity and red-green color discrimination. Rifampin, however, does not typically cause this ocular toxicity. Therefore, querying about visual changes related to red-green color discrimination would be inappropriate and misleading in the context of rifampin's known side effects.
Choice D rationale
Advising a patient to stop an antitubercular medication like rifampin without consulting the healthcare provider can have serious consequences. Tuberculosis treatment requires strict adherence to a multi-drug regimen to prevent drug resistance and ensure eradication of the infection. The orange discoloration is a benign, expected side effect and not an indication to discontinue therapy, making immediate cessation medically unsound.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
Choice A rationale
Restricting fluid intake in clients with COPD can lead to thickened secretions, making them more difficult to expectorate. Adequate hydration (typically 2-3 liters per day unless contraindicated) is crucial for maintaining thin, mobile respiratory secretions, which facilitates mucociliary clearance and reduces the risk of mucus plugging and subsequent exacerbations. This restriction would hinder respiratory hygiene.
Choice B rationale
Clients with COPD often experience increased metabolic demands due to the effort of breathing and may be at risk for malnutrition and muscle wasting. A low-protein diet would be detrimental, as protein is essential for maintaining respiratory muscle strength, tissue repair, and immune function. A high-protein, high-calorie diet is often recommended to support their nutritional status and overall health.
Choice C rationale
Pursed-lip breathing is a technique that helps clients with COPD by increasing intrabronchial pressure, which prevents premature airway collapse during exhalation, particularly in those with emphysema. This prolongs exhalation, improves gas exchange by allowing more complete emptying of the lungs, reduces air trapping, and can alleviate dyspnea, improving ventilatory efficiency.
Choice D rationale
For clients with COPD, exercising and engaging in activities during early-morning hours can be problematic. This is often the time when respiratory secretions are most abundant and tenacious due to nocturnal accumulation. Engaging in strenuous activity then can exacerbate dyspnea and increase the risk of bronchospasm or fatigue, making later parts of the day often more suitable for activity.
Correct Answer is C
Explanation
Choice A rationale
Encouraging wide-grip utensils does not address homonymous hemianopsia, which is a visual field deficit. Wide-grip utensils are typically used for clients with motor deficits or grip issues, not visual field cuts. This action would not help the client locate food within their blind visual field.
Choice B rationale
Encouraging the client to use their right hand, which is typically affected by a right-sided stroke, would be counterproductive and likely lead to frustration and difficulty with self-feeding. The left side of the body is often weaker or paralyzed after a right-sided stroke.
Choice C rationale
Homonymous hemianopsia involves a loss of half of the visual field in both eyes, contralateral to the stroke. For a right-sided stroke, the client will have left homonymous hemianopsia, meaning they cannot see things on their left side. Reminding them to look for food on the left side of the tray helps compensate for this visual deficit by prompting them to scan their blind field.
Choice D rationale
Providing a nonskid mat addresses plate movement, which can be helpful for clients with tremors or coordination issues, but it does not directly address the visual field deficit of homonymous hemianopsia. The primary problem here is not the plate moving, but the client's inability to see part of the plate.
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