A phlebotomist should recognize that the Clinical and Laboratory Standards Institute (CLSI) recommends that a heel stick depth should not penetrate deeper than which of the following depths for an infant patient?
2.0 mm
2.5 mm
3.0 mm
3.5 mm
The Correct Answer is A
Choice A Reason:
The recommended heel stick depth of 2.0 mm is based on the need to minimize the risk of injury to the infant. Penetrating deeper than this can increase the likelihood of hitting bone, which in infants can be as close as 2.0 mm under the skin of the plantar surface of the heel. This depth is sufficient to obtain a blood sample without risking injury to deeper tissues or bone.
Choice B Reason:
A depth of 2.5 mm may be too deep for some infants, especially preterm or very small infants, where the calcaneus (heel bone) is closer to the surface. While this depth might still be safe for some infants, it does not provide the same margin of safety as the 2.0 mm recommendation and could potentially lead to bone puncture or other injuries.
Choice C Reason:
A depth of 3.0 mm significantly increases the risk of bone puncture, especially in infants with less subcutaneous fat or in those who are preterm. This depth could easily breach the protective layer of skin and subcutaneous tissue, leading to a higher risk of osteomyelitis, an infection of the bone, which can be a serious complication in infants.
Choice D Reason:
A depth of 3.5 mm is considered too deep for a heel stick procedure and is likely to cause injury to the infant. This depth would almost certainly penetrate the bone in most infants, leading to severe pain, potential for infection, and other complications. It is well beyond the safe range recommended by CLSI and should be avoided.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
Choice A reason:
The date of specimen collection is crucial for a laboratory report as it provides the context for the test results. It helps in assessing the timeliness and relevance of the results, especially when monitoring conditions that can change rapidly over time.
Choice B reason:
While the phlebotomist's initials may be recorded as part of the internal process for tracking specimen collection, they are not typically included in the patient's laboratory report. The focus of the report is on the patient and the test results, rather than on the personnel who collected the sample.
Choice C reason:
Patient diagnosis is not usually included in a laboratory report because the purpose of the report is to provide test results that may inform a diagnosis. The diagnosis is made by the healthcare provider based on the test results, along with other clinical information.
Choice D reason:
Values of previous tests may be referenced in a patient's medical record but are not a required element on a laboratory report. Each report typically presents the results of the current tests only. Comparisons to previous values, if needed, are made by the healthcare provider.
Correct Answer is C
Explanation
Choice A reason:
A specimen bag is typically used for transporting specimens from the collection site to the laboratory. It is not designed for the disposal of contaminated items such as microscope slides. These bags are not puncture-resistant and do not provide the necessary protection against sharps injuries or contamination.
Choice B reason:
A biohazard bag is used for disposing of items that have been contaminated with potentially infectious materials. While it is suitable for materials like gloves, tissues, or any other items that do not have sharp edges, it is not the appropriate choice for glass slides, which can puncture the bag and pose a risk to handlers.
Choice C reason:
A red sharps container is specifically designed for the disposal of sharps waste, which includes any device that can puncture or cut skin, such as needles, syringes, lancets, and contaminated glass such as microscope slides. These containers are rigid, puncture-resistant, leak-proof, and usually marked with a biohazard symbol, making them the correct choice for disposing of contaminated microscope slides.
Choice D reason:
A medical waste container is a broad term that can refer to various types of containers used for medical waste. However, not all medical waste containers are suitable for sharps disposal. Unless the medical waste container is designed like a red sharps container, it may not be safe for disposing of glass slides.
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