Difficulty: Medium

Average Score: 50%

Which of the following samples should a phlebotomist present to the laboratory first for processing?

Rationale

A stat potassium level from a patient in the emergency room should be presented first for processing.

In emergency situations, timely processing of critical laboratory tests is essential for patient safety and effective treatment. A stat potassium level is particularly crucial due to the potential for life-threatening hyperkalemia or hypokalemia, which requires immediate medical intervention.

A (A sodium level from a patient who has a DNR order) YOUR ANSWER

While sodium levels are important, they are generally not as time-sensitive as potassium levels, especially in emergency settings. Additionally, the presence of a DNR order may indicate that immediate intervention is less likely to be required, making it less of a priority for immediate processing.

B (A hemoglobin and hematocrit level from a patient who is postoperative) YOUR ANSWER

Postoperative patients may require monitoring of hemoglobin and hematocrit levels, but this test is typically less urgent than a stat potassium level. Changes in these values can be managed with a slight delay, allowing for more critical tests, such as potassium, to take precedence.

C (A stat potassium level from a patient in the emergency room) CORRECT

This is the highest priority test because abnormalities in potassium levels can lead to severe cardiac complications. In the emergency room, quick results can guide immediate treatment decisions, making this sample the most urgent for processing.

D (A peak antibiotic level from a patient who is NPO) YOUR ANSWER

Although monitoring antibiotic levels is important for effective treatment, it is generally less critical than a stat potassium level in an emergency context. The need for immediate intervention to stabilize potassium levels takes precedence over antibiotic monitoring.

Conclusion

In the context of phlebotomy and laboratory processing, prioritizing tests based on urgency is crucial for patient care. The stat potassium level from a patient in the emergency room represents the most critical need, as rapid response to potassium abnormalities can prevent significant morbidity or mortality. Other tests, while important, do not demand the same immediacy and can be processed subsequently.

Related Questions

View all