A nurse is caring for a client who has a small-bore jejunostomy tube and is receiving a continuous tube feeding with a high-viscosity formula. Which of the following actions should the nurse take to prevent the tubing from clogging?
Flush the tubing with 10 mL water every 6 hr.
Administer the feeding by gravity drip.
Replace the bag and tubing every 24 hr.
Heat the formula prior to infusion.
The Correct Answer is A
A. Flushing the tubing with water at regular intervals helps prevent the buildup of formula residue and maintains tube patency. This is especially important with high-viscosity formulas, which are more prone to clogging small-bore tubes.
B. Administering the feeding by gravity drip is a method of delivery and does not directly address the prevention of tubing clogging.
C. While replacing the bag and tubing every 24 hours is a standard practice to reduce the risk of bacterial contamination, it does not specifically prevent tubing clogging.
D. Heating the formula prior to infusion may improve its flow characteristics but does not address the prevention of tubing clogging. Heating formula should be done according to manufacturer guidelines to avoid denaturation of nutrients.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
Choice A Rationale: Vitamin A is essential for healthy skin, hair, nails, and bones, and acts as an antioxidant. However, excessive amounts can be harmful and even modest doses previously considered safe can increase the risk of fracture.
Choice B Rationale: Fortified milk, fatty fish, and cheese are rich in calcium and vitamin D, which are crucial for bone health. Calcium is necessary for bone strength, while vitamin D is required for calcium absorption in the body.
Choice C Rationale: While a calcium supplement can help maintain bone density and reduce the risk of fractures, it is generally recommended to get calcium from dietary sources for better absorption and additional nutrients.
Choice D Rationale: Orange juice, lean meats, and egg whites can contribute to overall health, but they do not directly address bone health as effectively as options rich in calcium and vitamin D. Orange juice can be beneficial if fortified, but lean meats and egg whites are not primary sources of calcium or vitamin D.
Correct Answer is D
Explanation
Choice A Rationale: TPN should be removed from the refrigerator 30 minutes to an hour before use to allow it to reach room temperature, reducing the risk of crystallization and patient discomfort.
Choice B Rationale: The dressing around the IV site for TPN should be changed every 48 to 72 hours, not weekly, to prevent infection and ensure the integrity of the IV site.
Choice C Rationale: IV tubing for TPN solutions should be changed more frequently than every 72 hours, typically every 24 hours, to minimize the risk of bacterial contamination and infection.
Choice D Rationale: TPN solutions are at risk for bacterial growth, so any remaining solution after 24 hours should be discarded to prevent infection.
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