Which of the following is a frequently performed point-of-care test?

The blood glucose test is a frequently performed point-of-care test because it allows for immediate results while the patient is still in the clinical setting. This rapid testing is critical, especially for managing conditions like diabetes, where timely interventions can significantly impact patient outcomes. Point-of-care tests are designed to provide quick answers and enhance decision-making at the moment of patient care, such as in emergency rooms or outpatient clinics.

In contrast, other tests like the complete blood count, serum electrolyte panel, and hematocrit often require more complex laboratory equipment and procedures, leading to longer turnaround times for results. These tests are typically performed in a centralized laboratory setting rather than at the point of care, where immediate results are less critical. The blood glucose test's ability to be both simple to perform and quick in giving results makes it a vital tool in many healthcare environments.