A 4-year-old patient is brought to the clinic because the child has not recovered from a respiratory infection. The patient is pale and lethargic. Leukemia is suspected. Which lab value, if elevated, would support the diagnosis of leukemia?
Red blood cell count.
White blood cell count.
Platelet count.
Hematocrit.
The Correct Answer is B
Choice A rationale:
The red blood cell count is not typically elevated in leukemia. Leukemia primarily affects the white blood cells and their precursors in the bone marrow.
Choice B rationale:
Leukemia involves uncontrolled proliferation of white blood cells. An elevated white blood cell count, especially with abnormal cell types, can support the diagnosis of leukemia.
Choice C rationale:
Platelet count abnormalities are common in leukemia, but an elevated platelet count is more often associated with other conditions such as essential thrombocytosis, not necessarily leukemia.
Choice D rationale:
Hematocrit measures the volume of red blood cells in the blood and is not directly indicative of leukemia. Leukemia primarily affects white blood cells and does not significantly impact hematocrit levels.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
Choice A rationale:
Hypercalcemia refers to high calcium levels in the blood, and it is not a common complication associated with furosemide use. Furosemide primarily affects electrolytes like potassium.
Choice B rationale:
Furosemide is a loop diuretic that can lead to excessive potassium loss through urine, potentially causing hypokalemia (low potassium levels). Monitoring potassium is crucial to prevent complications like muscle weakness and cardiac arrhythmias.
Choice C rationale:
Hypocalcemia, which is low calcium levels, is not a typical complication of furosemide use. Furosemide's primary impact is on sodium and potassium balance.
Choice D rationale:
Hyperkalemia is the opposite of what furosemide commonly causes. Furosemide-induced diuresis often leads to hypokalemia, not hyperkalemia.
Correct Answer is D
Explanation
Choice A rationale:
The statement "The parent collects the specimen when the child reports itching”. is incorrect. The scotch tape test for pinworms involves placing clear tape on the perianal area in the morning to collect eggs that may have been laid during the night, not based on itching.
Choice B rationale:
The statement "The parent collects the specimen in the evening before the child goes to bed”. is incorrect. The test is most effective in the morning when the child wakes up, as this is when pinworms are most active and lay their eggs.
Choice C rationale:
The statement "The parent collects the specimen after the child has had a bowel movement”. is incorrect. The test doesn't involve collecting a specimen after a bowel movement but rather in the morning using transparent tape to catch pinworm eggs.
Choice D rationale:
The statement "The parent collects the specimen in the morning when the child awakens”. is correct. This is the correct time for the scotch tape test, as it maximizes the chance of detecting pinworm eggs laid during the night.
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