Which of the following tests is performed to identify bacteremia?
Glucose tolerance test
Peripheral blood smear
Blood culture
Lactic acid
The Correct Answer is C
Choice A Reason:
A glucose tolerance test is used to diagnose diabetes by measuring the body's response to glucose over a period of time. It is not used to identify bacteremia, which is the presence of bacteria in the bloodstream.
Choice B Reason:
A peripheral blood smear involves examining a sample of blood under a microscope to look for abnormalities in blood cells. While it can reveal signs of infection, it does not specifically identify bacteremia.
Choice C Reason:
A blood culture is the primary test used to detect bacteremia. It involves taking a sample of blood and incubating it to see if bacteria grow, which would indicate the presence of bacteria in the bloodstream.
Choice D Reason:
Lactic acid levels in the blood are measured to assess the severity of sepsis, a condition that can result from bacteremia. Elevated lactic acid can indicate that tissues are not getting enough oxygen, but the test itself does not identify bacteremia.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
Choice A reason:
The specimen source is critical information that must be included with a non-blood specimen delivered to the laboratory. It identifies the origin of the specimen, such as urine, cerebrospinal fluid, or a swab from a specific site. This information is essential for the laboratory to process and analyze the specimen appropriately.
Choice B reason:
While the specimen color may be noted for certain types of specimens, it is not a required piece of information for all non-blood specimens. Color can be an important characteristic for some analyses, but it is not as critical as the specimen source for laboratory processing.
Choice C reason:
Specimen temperature is not typically documented upon delivery to the laboratory unless the specimen requires temperature control during transport, such as certain microbiological cultures. In general, the temperature at the time of collection is not a standard requirement.
Choice D reason:
Specimen clarity might be relevant for specific tests, such as urine analysis, where clarity can indicate the presence of substances like proteins or crystals. However, it is not a universally required piece of information for all non-blood specimens.
Correct Answer is B
Explanation
Choice A reason:
The date of birth is a common identifier, but it is not unique to an individual, as multiple patients may share the same birth date. While it is useful in conjunction with other identifiers, on its own, it does not provide a definitive identification.
Choice B reason:
The record number, often referred to as the medical record number, is a unique identifier assigned to each patient within a healthcare system. It is used to track patient information across different visits and services, making it the most reliable standalone identifier if the patient's name is not available.
Choice C reason:
An address can change over time and may not be unique, especially in large apartment buildings or for patients who are homeless or transient. It is also not specific enough to reliably identify a patient, as multiple individuals can reside at the same address.
Choice D reason:
The social security number is a unique identifier, but due to privacy concerns and the risk of identity theft, it is not the preferred method for patient identification in healthcare settings. Additionally, not all patients may have a social security number, such as non-residents or newborns.
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