A nurse is caring for a client who is being tested for chronic myelogenous leukemia (CML). Which of the following diagnostic tests should the nurse anticipate being prescribed?(Select All that Apply.)
Total iron binding capacity (TIBC)
Fluorescence in situ hybridization test (FISH)
Cytogenic analysis
Reticulocyte count
Reverse transcription-polymerase change reaction (RT-PCR)
Correct Answer : B,C,E
A. This test measures the blood's capacity to bind iron with transferrin, and it is primarily used to evaluate iron metabolism and diagnose iron deficiency anemia. It is not specifically used for diagnosing CML. Therefore, this option is not typically relevant for CML testing.
B. This test is used to detect specific genetic abnormalities associated with CML, particularly the Philadelphia chromosome, which results from a translocation between chromosomes 9 and 22. FISH is a valuable diagnostic tool for identifying the presence of this genetic marker, making this a relevant test for CML.
C. This test examines the chromosomes in cells and is crucial for diagnosing CML. It allows for the detection of chromosomal abnormalities, including the Philadelphia chromosome. Cytogenetic analysis is a standard diagnostic tool in identifying CML and monitoring treatment response.
D. A reticulocyte count measures the number of young red blood cells in the blood and is used to assess bone marrow function. While it can provide some information about bone marrow activity, it is not specific for diagnosing CML. Therefore, it is not a primary diagnostic test for this condition.
E. RT-PCR is a highly sensitive test that detects the BCR-ABL fusion gene, which is characteristic of CML. This test is used not only for diagnosis but also for monitoring treatment response. It is a critical test in the management of CML.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["A","B"]
Explanation
A. Using pillows or specialized heel protectors helps to alleviate pressure on the heels, reducing the risk of pressure ulcers in bony prominences. Keeping the heels off the bed surface is an effective way to prevent skin breakdown.
B. Moisture from sweat, urine, or other sources can contribute to skin breakdown and increase the risk of pressure ulcers. Keeping the skin dry is essential for maintaining skin integrity and preventing irritation or maceration.
C. While turning the client is important to relieve pressure, every 4 hours may not be frequent enough, especially for individuals at high risk for skin breakdown. The standard recommendation is to turn clients at least every 2 hours to reduce prolonged pressure on any specific area.
D. While using powder can help absorb moisture and keep skin dry, it is important to avoid overuse, as excessive powder can cause buildup and irritation. Additionally, talcum powder is not recommended due to potential respiratory issues. Instead, using barrier creams or moisture-wicking fabrics may be preferable.
E. Massaging over bony prominences, especially areas that are already red (erythematous), can increase tissue damage and worsen skin breakdown. Instead, it is better to avoid direct pressure on these areas and use protective measures to relieve pressure.
Correct Answer is D
Explanation
A. While sporting accidents can lead to spinal cord injuries, they are more prevalent in younger populations who are more physically active. In older adults, the likelihood of sustaining a spinal cord injury from sports is relatively low compared to other causes.
B. Gunshot wounds are a significant cause of spinal cord injuries, but they are not common in older adults. This type of injury is more frequently seen in younger individuals, particularly in areas with higher rates of violence or firearms.
C. Motor vehicle accidents can cause spinal cord injuries, but their prevalence in older adults has decreased in recent years due to improved safety features in vehicles and the tendency for older adults to drive less frequently. While still a risk, they are not the leading cause.
D. Falls are the most common cause of spinal cord injuries in individuals aged 65 and older. As people age, they experience changes in balance, strength, and mobility, increasing their risk of falls. Falls can lead to serious injuries, including fractures and spinal cord injuries, making this the primary concern in this age group.
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