Difficulty: Hard

Average Score: 49%

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 results are crucial for patient management, especially when dealing with potentially life-threatening conditions. A stat potassium level is often critical to assess and manage cardiac function and metabolic status, making it the priority for laboratory processing.

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

While sodium levels are important, the DNR (Do Not Resuscitate) order indicates that the patient is not to receive life-sustaining treatment. Therefore, the urgency of this test is less critical compared to a potassium level in an emergency setting.

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

Postoperative patients require monitoring of hemoglobin and hematocrit levels, but these tests are not as time-sensitive as a stat potassium level. The urgency of interventions for electrolyte imbalances typically takes precedence over routine postoperative evaluations.

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

Although monitoring antibiotic levels is important for patients receiving treatment, this test is usually not urgent compared to a stat potassium level, especially in an emergency room context. Patients who are NPO (nothing by mouth) do not require immediate intervention based on peak antibiotic levels.

Conclusion

In the context of phlebotomy and laboratory processing, the priority is to address tests that can significantly impact immediate patient care. A stat potassium level is critical for patients in the emergency room, where rapid results can influence life-saving interventions. Other tests, while important, do not hold the same level of urgency in critical situations.

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