Nursing Elites

1. Oxygen at liters/min per nasal cannula PRN difficult breathing is prescribed for a client with pneumonia. Which nursing intervention is effective in preventing oxygen toxicity?

• A. Avoiding the administration of high levels of oxygen for extended periods.
• B. Administering a sedative at bedtime to slow the client's respiratory rate.
• C. Removing the nasal cannula during the night to prevent oxygen buildup.
• D. Running oxygen through a hydration source prior to administration.

Correct answer: A

Rationale: The correct answer is A: Avoiding the administration of high levels of oxygen for extended periods. Oxygen toxicity can occur when high levels of oxygen are given for a prolonged period. It is important to monitor and adjust the oxygen levels as needed to prevent toxicity. Choice B is incorrect because administering a sedative to slow the respiratory rate does not directly prevent oxygen toxicity. Choice C is incorrect as removing the nasal cannula during the night can compromise the client's oxygenation. Choice D is incorrect as running oxygen through a hydration source does not prevent oxygen toxicity; instead, it may introduce risks associated with the hydration source.

2. A healthcare provider is assessing a client who is receiving treatment for dehydration. Which assessment finding indicates that the client is responding to the treatment?

• A. Dry mucous membranes
• B. Increased urine output
• C. Decreased skin turgor
• D. Elevated heart rate

Correct answer: B

Rationale: Increased urine output is a positive sign indicating that the client is responding to the treatment for dehydration. It suggests that the client's kidneys are functioning better, helping to eliminate excess fluid and waste products from the body. Dry mucous membranes (Choice A) are a sign of dehydration, not improvement. Decreased skin turgor (Choice C) and elevated heart rate (Choice D) are also symptoms of dehydration and do not indicate a positive response to treatment.

3. The nurse is caring for a client who is receiving heparin therapy. Which laboratory value should the nurse monitor to determine the effectiveness of the therapy?

• A. Prothrombin time (PT)
• B. Partial thromboplastin time (PTT)
• C. International normalized ratio (INR)
• D. Activated partial thromboplastin time (aPTT)

Correct answer: C

Rationale: The correct answer is C, International Normalized Ratio (INR). While INR is commonly used to monitor the effectiveness of warfarin therapy, in the case of heparin therapy, the Partial Thromboplastin Time (PTT) is the preferred test. Choice A, Prothrombin Time (PT), measures the activity of the extrinsic pathway of coagulation and is not the best choice for monitoring heparin therapy. Choice D, Activated Partial Thromboplastin Time (aPTT), is similar to PTT and is used to monitor heparin therapy, but PTT is the more specific test. Therefore, monitoring PTT is crucial in determining the effectiveness and safety of heparin therapy.

4. A 7-year-old with cystic fibrosis (CF) has received instructions about home care. Which statement made by the child's mother indicates that further teaching is needed?

• A. My child should not have a cough at all times
• B. He needs to take pancreatic enzymes with meals and snacks
• C. He needs to use a bronchodilator every day
• D. His dietary intake needs to be high in protein and calories

Correct answer: A

Rationale: The correct answer is A. A cough at all times is not normal in a child with cystic fibrosis (CF) and indicates the need for further teaching on CF management. Choices B, C, and D are correct statements in managing CF: taking pancreatic enzymes with meals and snacks, using a bronchodilator daily, and maintaining a high-protein and high-calorie dietary intake are all appropriate for a child with CF.

5. A 2-year-old boy with short bowel syndrome has progressed to receiving enteral feedings only. Today his stools are occurring more frequently and have a more liquid consistency. His temperature is 102.2°F and he has vomited twice in the past four hours. Which assessment finding indicates that the child is becoming dehydrated?

• A. Occult blood in the stool
• B. Abdominal distention
• C. Elevated urine specific gravity
• D. Hyperactive bowel sounds

Correct answer: C

Rationale: Elevated urine specific gravity is a sign of dehydration in children. In the scenario provided, the child is experiencing increased stool frequency, liquid consistency, fever, and vomiting, indicating fluid loss and potential dehydration. Occult blood in the stool may suggest gastrointestinal bleeding but is not a direct indicator of dehydration. Abdominal distention can be seen in various conditions and is not specific to dehydration. Hyperactive bowel sounds are more commonly associated with increased bowel motility, not necessarily dehydration.

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