A dialysis patient in the ICU has a shunt placement in the right forearm and an IV placed in the left hand. Which of the following options best describes the optimal site for the collection of a CBC?
The right antecubital fossa
The right hand
The left antecubital fossa
Capillary collection from the left hand
The Correct Answer is D
Choice A Reason:
The right antecubital fossa is not the optimal site for blood collection in this case because the presence of a shunt in the right forearm can complicate the procedure and potentially damage the shunt, which is a critical access point for dialysis treatments.
Choice B Reason:
The right hand should also be avoided for blood collection due to the shunt placement in the right forearm. Using the same arm as the shunt for venipuncture could lead to complications such as infection, clotting, or accidental damage to the shunt.
Choice C Reason:
The left antecubital fossa might seem like a viable option; however, with an IV placed in the left hand, it is generally recommended to avoid using the same limb for blood collection to prevent contamination of the sample and reduce the risk of infection at the IV site.
Choice D Reason:
Capillary collection from the left hand is the most appropriate choice in this scenario. It avoids the arm with the shunt and the IV, reducing the risk of complications. Capillary blood collection is a suitable alternative when venipuncture sites are limited, and it can provide an adequate sample for a CBC.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
Choice A Reason:
Submitting laboratory results to the representative for workers' compensation is generally not a violation of patient privacy. This action is often necessary as part of the claims process and is typically done with the patient's consent or as mandated by law.
Choice B Reason:
Discussing laboratory results with a patient's partner without the patient's explicit consent is a violation of patient privacy. Confidentiality is a fundamental principle in healthcare, and disclosing health information to unauthorized individuals, including family members, breaches that confidentiality.
Choice C Reason:
Providing diagnosis codes to a patient's insurance company is a standard procedure and is not considered a violation of patient privacy. This information is necessary for the insurance company to process claims and provide coverage for medical services.
Choice D Reason:
Printing a patient's full name on the specimen label is standard practice and does not violate patient privacy. This is done to ensure that the specimen is correctly identified and matched to the patient, which is critical for accurate diagnosis and treatment.
Correct Answer is B
Explanation
Choice A Reason:
Serology is the division of the laboratory that deals with the study of blood serum. In serology, the focus is on identifying and measuring antibodies in the serum. While serology can be used to support the diagnosis of infections, it does not involve culture and sensitivity testing, which is specific to identifying pathogens and determining their susceptibility to antibiotics.
Choice B Reason:
Microbiology is the correct division for culture and sensitivity tests. This division specializes in studying microorganisms, including bacteria, fungi, parasites, and viruses. When a culture and sensitivity test is ordered, it is the microbiology lab that cultures the sample to grow the organism and then tests various antibiotics to determine which are most effective against it.
Choice C Reason:
Histology is the study of the microscopic structure of tissues. Histology labs prepare and examine tissue samples to diagnose diseases, but they do not perform culture and sensitivity tests, which are specific to microbiology.
Choice D Reason:
Chemistry is a division of the laboratory that performs a wide range of tests to measure chemicals and enzymes in the body. These tests can include blood glucose levels, liver enzymes, and hormone levels, among others. However, chemistry does not handle culture and sensitivity testing, as this is not within the scope of chemical analysis.
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