Difficulty: Medium

Average Score: 55%

A phlebotomist should expect to collect a blood culture from which of the following patients?

Rationale

A patient who has a fever of unknown origin

When a patient presents with a fever of unknown origin, it indicates a potential systemic infection that requires further investigation. Collecting a blood culture in this scenario is crucial to identify the causative organism and guide appropriate treatment.

A (A patient who has a fever of unknown origin) CORRECT

In cases where a patient has an unexplained fever, there is a higher likelihood of an underlying systemic infection. Collecting a blood culture from this patient allows for the detection and identification of potential pathogens circulating in the bloodstream, aiding in the diagnosis and treatment of the infection.

B (A patient who has come for a routine physical exam) YOUR ANSWER

Routine physical exams typically do not warrant blood cultures unless specific symptoms or risk factors are present. In the absence of symptoms suggestive of an infection, collecting a blood culture from a patient undergoing a routine physical exam is not necessary.

C (A patient who reports headaches) YOUR ANSWER

Headaches, without additional concerning symptoms or signs of infection, do not typically indicate the need for a blood culture. Headaches can have various causes, and collecting a blood culture is not a standard practice for evaluating this complaint alone.

D (A patient who has a skin rash) YOUR ANSWER

Skin rashes are often indicative of dermatological conditions or allergic reactions and do not necessarily require a blood culture. Unless the skin rash is associated with systemic symptoms or signs of infection, there is no immediate need to collect a blood culture solely based on the presence of a skin rash.

Conclusion

A phlebotomist should anticipate collecting a blood culture from a patient presenting with a fever of unknown origin. This approach aligns with the standard protocol for investigating potential systemic infections, as blood cultures are valuable diagnostic tools in identifying causative pathogens in such cases. Prompt collection and analysis of blood cultures in patients with unexplained fevers aid clinicians in providing targeted and effective treatment strategies to manage the underlying infection.

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