OSMT (Ontario Society of Medical Technologists) Practice Exam

In cases of continuous bacteraemia, what is not a factor?

1. Time of specimen collection is not a factor

2. Volume of the specimen is not a factor

3. Incubation conditions are not factors

4. Type of culture media is not a factor

The correct answer is: Time of specimen collection is not a factor

In the context of continuous bacteraemia, it is essential to acknowledge that the **time of specimen collection** is indeed a critical factor. This is because the timing can influence the likelihood of detecting bacteria in the bloodstream. For instance, collecting specimens during a fever spike when the bacteria are most likely to be present maximizes the chances of detection. The **volume of the specimen** is also a crucial factor. A larger blood volume increases the likelihood of isolating an organism because it enhances the chances of capturing bacteria in the culture. **Incubation conditions** are vital as well since they must support the growth of potential pathogens. The conditions, including temperature and atmospheric requirements, can significantly affect whether the bacteria will thrive and be detectable in culture. Finally, the **type of culture media** is important because different bacteria have specific nutritional needs. The choice of media can impact the growth of particular organisms, making it another vital consideration in the detection of continuous bacteraemia. Given all these important elements, stating that the time of specimen collection is not a factor does not align with the clinical understanding of managing and diagnosing continuous bacteraemia. Each of the factors mentioned plays a significant role in the successful detection of bacteria in the bloodstream.