A small-bore feeding tube is placed. Which technique will the nurse use to best verify tube placement?
Auscultation
X-ray
Aspiration of contents
pH testing
The Correct Answer is B
A: Auscultation, or listening for air injected into the tube, is not a reliable method for verifying feeding tube placement. It can lead to false positives and does not confirm the tube’s location accurately.
B: X-ray is the gold standard for verifying feeding tube placement. It provides a clear image of the tube’s position, ensuring it is correctly placed in the stomach or small intestine, reducing the risk of complications.
C: Aspiration of contents can help verify placement by checking the appearance and pH of the aspirate. However, it is not as definitive as an X-ray and can sometimes be inconclusive.
D: pH testing of aspirate can indicate whether the tube is in the stomach (acidic pH) or intestines (less acidic). While useful, it is not as reliable as an X-ray for confirming placement.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
A: A trochanter roll is used to prevent external rotation of the hips, not to prevent plantar flexion contractures.
B: A sheepskin heel pad provides cushioning and helps prevent pressure ulcers on the heels but does not prevent plantar flexion contractures.
C: A footboard is used to prevent plantar flexion contractures by keeping the feet in a neutral position. This helps maintain proper alignment and prevents the muscles and tendons from shortening.
D: An abduction pillow is used to maintain hip abduction, typically after hip surgery, and does not prevent plantar flexion contractures.
Correct Answer is D
Explanation
A: An oxygen saturation range of 80-100% is incorrect. Saturation levels below 90% are considered low and may indicate hypoxemia, requiring medical attention.
B: An oxygen saturation range of 93-100% is generally acceptable, but the ideal range is slightly higher to ensure adequate oxygenation.
C: An oxygen saturation range of 90-100% includes levels that are borderline low. While 90% is often used as a threshold for concern, the optimal range is higher.
D: An oxygen saturation range of 95-100% is considered normal and indicates adequate oxygenation of the blood. This range ensures that tissues receive sufficient oxygen to function properly.
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