A nurse is caring for a client who has an NG tube. The nurse tests the pH of the secretions to determine if the tube is correctly placed. Which of the following readings should the nurse expect?
pH 1-4
pH 5-7
pH 8-10
pH 11-14
The Correct Answer is A
A reason:
A pH reading of 1-4 is expected for gastric contents. This acidic range indicates that the NG tube is correctly placed in the stomach, where gastric secretions have a low pH due to hydrochloric acid.
B reason:
A pH reading of 5-7 is more indicative of respiratory secretions or the contents of the small intestine, not the stomach. This range suggests that the NG tube may be incorrectly placed.
C reason:
A pH reading of 8-10 is too alkaline for gastric contents and indicates incorrect tube placement. This range could suggest the presence of intestinal or respiratory secretions, not gastric.
D reason:
A pH reading of 11-14 is highly alkaline and unlikely to be encountered in clinical practice for this purpose. Such a high pH is not compatible with gastric contents and suggests a significant error or contamination in the test.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
A reason:
Storing oxygen tanks upright is correct. This prevents them from tipping over and ensures the safety of the oxygen supply. Proper storage minimizes the risk of accidents and maintains the integrity of the oxygen tanks.
B reason:
Keeping oxygen tanks 4 feet away from an electric stove is not sufficient. Oxygen tanks should be kept away from all heat sources and open flames, as oxygen can support combustion and increase the risk of fire.
C reason:
Choosing a wool blanket is incorrect. Wool can generate static electricity, which poses a fire hazard when using oxygen. Cotton or other non-static generating materials are safer options for blankets when using home oxygen therapy.
D reason:
Using petroleum-based ointments to moisturize lips is dangerous. Petroleum products are flammable and should not be used with oxygen therapy. Water-based or non-flammable moisturizers should be used instead.
Correct Answer is A
Explanation
Choice A reason:
Bottled water is often recommended for patients on neutropenic precautions because it is generally free from microorganisms that could cause infections. Neutropenic patients have a reduced ability to fight infections due to low white blood cell counts, making them more vulnerable to contaminants that may be present in untreated or poorly treated water. By choosing bottled water, the patient minimizes the risk of ingesting harmful pathogens that could lead to serious infections. This is a crucial aspect of maintaining the health and safety of neutropenic patients. Additionally, bottled water provides a convenient and reliable way to ensure adequate hydration, which is essential for overall well-being and the body's natural defense mechanisms.
Choice B reason:
The salad bar is not a healthy choice for neutropenic patients due to the potential risk of contamination. Fresh produce, especially when not thoroughly washed, can harbor bacteria, fungi, and other pathogens that neutropenic patients may not be able to adequately defend against. Even if the salad bar appears clean and well-maintained, there is always a risk of cross-contamination from other diners or food handlers. Therefore, it is safer for neutropenic patients to avoid raw fruits and vegetables, particularly those from communal settings like salad bars, to minimize the risk of infection.
Choice C reason:
Soft-boiled eggs are not recommended for neutropenic patients because they are not fully cooked. Undercooked or raw eggs can be a source of harmful bacteria, such as Salmonella, which can cause severe infections in individuals with compromised immune systems. For neutropenic patients, it is important to consume only thoroughly cooked foods to eliminate any potential pathogens. Fully cooked eggs, where both the yolk and white are firm, would be a safer protein source for these patients, ensuring that any harmful bacteria are destroyed during the cooking process.
Choice D reason:
Eating at a buffet is not advisable for neutropenic patients due to the high risk of contamination. Buffets often involve multiple people handling serving utensils and food items, increasing the likelihood of cross-contamination. The communal nature of buffets makes it difficult to maintain strict hygiene standards, which is critical for neutropenic patients. The potential for exposure to pathogens from other diners or improperly maintained food temperatures can pose a significant risk. Therefore, it is safer for neutropenic patients to avoid buffets and opt for individually prepared and served meals to reduce the risk of infection.
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