Nursing Elites

1. Which of the following is the best method for confirming nasogastric tube placement?

• A. Auscultating over the stomach while injecting air
• B. Checking the pH of the aspirate
• C. Observing the patient’s response during feeding
• D. Measuring the external length of the tube

Correct answer: B

Rationale: Checking the pH of the aspirate is the most reliable method to confirm nasogastric tube placement as it provides direct evidence of the tube's location in the stomach. When the pH is acidic (pH < 5), it indicates that the tube is correctly placed in the stomach. Auscultating over the stomach while injecting air may not always be accurate, as the sound can be misleading due to various factors. Observing the patient’s response during feeding is not a definitive method for confirming tube placement, as it can be influenced by other factors. Measuring the external length of the tube does not ensure correct placement within the GI tract and can be affected by external factors like patient anatomy.

2. Which electrolyte imbalance is most likely to cause cardiac arrhythmias?

• A. Hyperkalemia
• B. Hypocalcemia
• C. Hypernatremia
• D. Hypokalemia

Correct answer: A

Rationale: Hyperkalemia is the correct answer as it can lead to dangerous cardiac arrhythmias due to its effects on the electrical conduction of the heart. High levels of potassium can disrupt the normal electrical activity of the heart, potentially leading to life-threatening arrhythmias. Hypocalcemia (choice B) is not the most likely cause of cardiac arrhythmias compared to hyperkalemia. Hypernatremia (choice C), referring to high sodium levels, is not directly associated with causing cardiac arrhythmias. While hypokalemia (choice D), low potassium levels, can also lead to cardiac arrhythmias, hyperkalemia is the more likely culprit in causing severe disturbances in heart rhythm.

3. What is the most common sign of a localized infection?

• A. Fever
• B. Elevated white blood cell count
• C. Redness, warmth, and swelling at the site of infection
• D. Chills and shivering

Correct answer: C

Rationale: The correct answer is C: Redness, warmth, and swelling at the site of infection. These signs are typical indications of a localized infection, representing inflammation and the body's immune response to the pathogen. Fever (choice A) is a systemic response and not specific to a localized infection. Elevated white blood cell count (choice B) can be seen in both localized and systemic infections. Chills and shivering (choice D) are more related to the body's response to fever and not specifically indicative of a localized infection.

4. A male client attends a community support program for mentally impaired and chemically abusing clients. The client tells the PN that his drugs of choice are cocaine and heroin. What is the greatest health risk for this client?

• A. Hypertension
• B. Hepatitis
• C. Glaucoma
• D. Diabetes

Correct answer: B

Rationale: The correct answer is B: Hepatitis. Hepatitis is the greatest health risk for this client due to the potential for contracting the disease through needle-sharing, common among drug users. This can lead to serious liver complications. While hypertension, glaucoma, and diabetes are all important health concerns, they are not directly associated with the drug abuse mentioned in the scenario.

5. After a laparoscopic cholecystectomy, what is the most important instruction the nurse should give the client regarding post-operative care at home?

• A. Avoid lifting heavy objects for at least a week.
• B. Follow a low-fat diet.
• C. Monitor the incision sites for signs of infection.
• D. Resume normal activities as tolerated.

Correct answer: C

Rationale: Monitoring the incision sites for signs of infection is crucial after a laparoscopic cholecystectomy. Infections can lead to serious complications if not detected early. While avoiding heavy lifting and following a low-fat diet are important aspects of recovery, monitoring for infection takes precedence as it directly impacts the client's immediate post-operative well-being. Therefore, option C is the correct answer as it addresses the most critical aspect of post-operative care.

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