A phlebotomist is collecting a urine drug screen from a Department of Transportation employee. The phlebotomist should take the specimen temperature at which of the following times following collection?
Before 4 minutes.
At 5 minutes.
At 15 minutes.
After 30 minutes.
The Correct Answer is A
Choice A Reason:
Taking the specimen temperature before 4 minutes is the correct procedure according to the Department of Transportation (DOT) guidelines. The DOT Rule 49 CFR Part 40 Section 40.65 states that the temperature of the specimen must be checked no later than four minutes after the employee has given the specimen. The acceptable temperature range is 32–38 °C/90–100 °F, which helps to verify the validity of the specimen.
Choice B Reason:
Taking the specimen temperature at 5 minutes is not within the DOT guidelines. The temperature must be taken before 4 minutes have passed to ensure the specimen's integrity and to comply with the regulatory requirements.
Choice C Reason:
At 15 minutes, the temperature check would be too late. The DOT guidelines specify that the temperature should be checked no later than four minutes after collection to ensure the specimen has not been tampered with and is within the acceptable temperature range.
Choice D Reason:
After 30 minutes, the temperature of the urine specimen would not reflect the body temperature at the time of collection, which is necessary for the validity of the test. This delay could allow for the temperature to fall outside of the acceptable range, potentially invalidating the specimen.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
Choice A reason:
Wearing gloves is an important step in preventing the spread of infection, but it is not the first step. Gloves provide a barrier between the phlebotomist's hands and the patient, which can help prevent the transmission of pathogens. However, gloves can still become contaminated, and if hand hygiene is not performed before donning gloves, pathogens can be transmitted when gloves are changed or removed.
Choice B reason:
Hand hygiene is widely recognized as the single most important practice in preventing the spread of infections. It is the first line of defense against the transmission of infectious agents. Washing hands with antimicrobial soap and water mechanically removes pathogens, and the antimicrobial agents in the soap can kill or inhibit the growth of microorganisms. This step is crucial before any patient contact, especially before invasive procedures like venipuncture.
Choice C reason:
Applying antiseptic to the puncture sites prior to venipuncture is a critical step in the prevention of infection at the site of the blood draw. This practice is essential for eliminating skin flora that could potentially enter the bloodstream during venipuncture. However, this is not the first step, as effective hand hygiene should precede any patient contact or procedure.
Choice D reason:
Decontaminating equipment before use is a necessary step to ensure that no infectious agents are transmitted via medical instruments. This includes cleaning and sterilizing equipment that comes into direct contact with the patient. While this is a vital part of infection control, it follows hand hygiene in the sequence of steps a phlebotomist should take.
Correct Answer is C
Explanation
Choice A reason:
A patient's room number is not a unique identifier as it is subject to change. Patients may be moved to different rooms during their hospital stay, and room numbers are not specific to individuals.
Choice B reason:
A patient's bed label is also not a unique identifier. Like room numbers, bed labels can change if patients are moved within the hospital for various reasons, such as changes in their medical condition or room availability.
Choice C reason:
The patient's inpatient chart demographic information is the correct unique identifier to use. This typically includes the patient's name, date of birth, and a unique medical record number assigned by the healthcare facility. These details are specific to the individual and do not change, making them reliable for patient identification.
Choice D reason:
A patient's verbal confirmation alone is not sufficient as a unique identifier. While it is important to engage the patient in the identification process, verbal confirmation must be used in conjunction with other identifiers to ensure accuracy, as patients may be confused or unable to communicate effectively.
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