A nurse has just inserted a nasogastric (NG) tube for a client. Which of the following findings should the nurse expect to confirm correct tube placement?
The tube aspirate has a pH of 7 (less than 5).
An x-ray shows the end of the tube above the pylorus.
Bowel sounds are present on auscultation.
The client reports relief of nausea.
The Correct Answer is B
A. The tube aspirate has a pH of 7 (less than 5): Gastric aspirate typically has an acidic pH ranging from about 1 to 5 due to the presence of hydrochloric acid in the stomach. A pH of 7 is neutral and more consistent with respiratory or intestinal secretions rather than gastric contents. Therefore, this finding does not reliably confirm that the NG tube is correctly positioned in the stomach.
B. An x-ray shows the end of the tube above the pylorus: Radiographic confirmation is considered the gold standard for verifying nasogastric tube placement. An x-ray showing the tube tip located within the stomach, above the pylorus, confirms that the tube has not entered the respiratory tract and is positioned appropriately for gastric decompression or feeding. This method provides the most accurate and reliable confirmation of placement.
C. Bowel sounds are present on auscultation: The presence of bowel sounds only indicates intestinal motility and does not provide information about the position of the NG tube. Historically, auscultating for air insufflation (“whooshing” sound) was used to check placement, but this practice is unreliable because similar sounds can occur even when the tube is misplaced in the lungs.
D. The client reports relief of nausea: Symptom relief may occur after gastric decompression but does not confirm correct placement of the tube. A client might experience temporary relief even if the tube is partially misplaced. Objective verification methods such as radiographic confirmation are necessary to ensure safe and correct tube positioning.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
A. "Most people are happy when their children grow up and leave home.": This response minimizes the client’s feelings and may make them feel dismissed. It does not explore or validate the client’s sense of loss or lack of purpose, which is important for emotional support during the transition of children leaving home.
B. "You should be proud that your children are becoming independent.": While acknowledging accomplishments can be positive, this statement shifts focus away from the client’s current feelings of uselessness. It does not address the underlying emotional experience or provide guidance on finding new sources of meaning in middle adulthood.
C. "Maybe you should consider why you are feeling useless.": This statement can come across as judgmental or directive and may make the client feel blamed for their emotions. Open, empathetic exploration of feelings is more effective than prompting the client to analyze themselves prematurely.
D. "People in middle adulthood often find satisfaction in nurturing and guiding young people.": This response normalizes the client’s feelings while offering a constructive perspective. It validates the sense of loss and provides an avenue for reframing purpose by suggesting alternative meaningful roles, such as mentoring, volunteering, or community involvement.
Correct Answer is B
Explanation
A. Place the client in high-Fowler's position: High-Fowler’s position (sitting at 60–90 degrees) can increase pressure on the sacrum and coccyx, which are common sites for pressure ulcers. While upright positioning may help with respiratory function, it does not prevent skin breakdown and may actually contribute to pressure-related injury if repositioning is not frequent.
B. Have the client use a trapeze bar when changing position: A trapeze bar allows the client to lift and reposition themselves independently, reducing friction and shear forces on the skin. By enabling weight redistribution and promoting mobility, it helps prevent pressure ulcers in bony prominences and enhances circulation, which is essential for skin integrity in clients with limited lower extremity mobility.
C. Massage areas of skin that are darker than the surrounding skin tissue with unscented lotion: Massaging areas of darker or reddened skin can cause further tissue damage by disrupting already compromised capillaries. The recommended approach is to relieve pressure, maintain skin hygiene and use protective padding, rather than massaging areas at risk for breakdown.
D. Increase the client's intake of carbohydrates: Adequate nutrition supports overall healing, but carbohydrates alone do not directly prevent skin breakdown. Protein and vitamins (such as vitamin C and zinc) are more critical for tissue repair and maintaining skin integrity. Nutrition is a supportive measure rather than a direct preventive intervention for pressure ulcers.
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