CAT Exam Practice Related

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To differentiate adventitious lung sounds associated with heart failure from those associated with bacterial pneumonia, what information should the nurse review?

  • A. Sputum culture findings
  • B. Oxygen saturation level
  • C. Amount of coughing
  • D. Respiratory rate
Correct Answer: A

Rationale: The correct answer is A: Sputum culture findings. Reviewing sputum culture findings can provide valuable information to differentiate between bacterial pneumonia and heart failure, as the type of bacteria present in the sputum can help identify the specific infection. Oxygen saturation level (Choice B) is important for assessing oxygenation status but does not directly help in distinguishing between the two conditions based on lung sounds. The amount of coughing (Choice C) and respiratory rate (Choice D) may offer some clinical insights but are not as specific or diagnostic as sputum culture findings when differentiating between heart failure and bacterial pneumonia.