Which of the following types of tests is a phlebotomist allowed to perform according to CLIA regulations?
Occult blood detection
Flow cytometry
Genetic molecular
Electrophoresis
The Correct Answer is A
Choice A Reason:
Occult blood detection is a test that a phlebotomist is allowed to perform according to CLIA regulations. This test is typically used to detect hidden blood in the stool, which can be an early sign of colorectal cancer or other digestive system diseases. It is considered a waived test under CLIA, meaning it is simple and carries a low risk for an incorrect result.
Choice B Reason:
Flow cytometry is a complex test that requires specialized training and equipment. It is used to analyze the physical and chemical characteristics of particles in a fluid as they pass through at least one laser. Phlebotomists are not typically trained to perform this type of analysis, as it falls under the category of high complexity testing.
Choice C Reason:
Genetic molecular tests are used to detect specific sequences in DNA or RNA that may or may not lead to disease. These tests are complex and require specialized knowledge and equipment. They are not within the scope of practice for phlebotomists, who are trained primarily in blood collection.
Choice D Reason:
Electrophoresis is a laboratory technique used to separate DNA, RNA, or protein molecules based on their size and electrical charge. This type of test is also complex and requires specialized training and equipment, which is beyond the scope of a phlebotomist's duties.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
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.
Correct Answer is C
Explanation
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.
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