A student asks the nurse why a peripherally inserted central catheter is needed for a patient receiving Total Parenteral Nutrition (TPN) with 25% dextrose. Which response by the nurse is accurate?
The required blood glucose monitoring is based on samples obtained from a central line.
There is a decreased risk for infection when 25% dextrose is infused through a central line.
The hypertonic solution will be more rapidly diluted when given through a central line.
The prescribed infusion can be given more rapidly when the patient has a central line.
The Correct Answer is C
Choice A reason: While blood glucose monitoring is essential for patients receiving TPN, it is not specifically necessary to obtain samples from a central line. Blood glucose levels can be monitored through peripheral blood samples.
Choice B reason: There is actually an increased risk of infection with central lines compared to peripheral lines due to the invasive nature of central line placement and its location. Proper aseptic technique is critical to minimize this risk.
Choice C reason: The hypertonic solution will be more rapidly diluted when given through a central line. This is a critical point because the central veins have a higher blood flow and larger volume, which helps to quickly dilute the hypertonic TPN solution. This reduces the risk of phlebitis and damage to the smaller peripheral veins, making central lines more suitable for infusing highly concentrated solutions like 25% dextrose.
Choice D reason: While a central line can allow for the rapid administration of infusions, this is not the primary reason for its use with TPN. The key factor is the dilution of the hypertonic solution, as central lines handle high osmolarity solutions better than peripheral veins.
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Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
Choice A reason: Improving public transportation to the clinic would indeed make it easier for residents to access healthcare services. However, this strategy alone does not directly address the cultural and specific health needs of the Hispanic community.
Choice B reason: Obtaining low-cost medications for clinic patients can alleviate some financial burdens and improve access to necessary treatments. While this is beneficial, it does not tackle the root of health disparities related to cultural differences and health beliefs.
Choice C reason: Teaching clinic staff about cultural health beliefs is crucial for reducing health care disparities and promoting health equity. Understanding the cultural background, health beliefs, and practices of the Hispanic community allows healthcare providers to deliver more culturally competent and patient-centered care, building trust and improving health outcomes.
Choice D reason: Updating equipment and supplies at the clinic can enhance the quality of care provided. However, without addressing the cultural competency of the healthcare staff, this strategy does not directly impact health equity or reduce disparities specific to the Hispanic community.
Correct Answer is C
Explanation
Choice A reason: Administering Furosemide (Lasix) 40 mg IV is important for reducing fluid overload, but the immediate priority is to address the patient's low oxygen saturation levels.
Choice B reason: Assessing lung sounds and peripheral edema is important for ongoing monitoring, but the immediate action should focus on stabilizing the patient's oxygen levels.
Choice C reason: Placing the patient on oxygen to titrate to oxygen saturations 94% or greater is the most immediate and critical intervention. The patient's oxygen saturation is significantly low at 86%, and addressing this ensures adequate oxygenation and reduces the risk of hypoxia.
Choice D reason: Educating the patient on lifestyle modifications is important for long-term management but is not the immediate priority in an acute situation.
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