A nurse is reviewing a client's laboratory values. Which of the following values should the nurse report to the provider?
Hct 45%
Platelets 160,000/mm³
WBC 1,700/mm³
Hgb 14.7 g/dL
The Correct Answer is C
Choice A: Hct 45% is not a value that the nurse should report to the provider. Hct, or hematocrit, is the percentage of red blood cells in the total blood volume. The normal range for Hct is 37% to 51% for men and 32% to 45% for women. Hct 45% is within the normal range and does not indicate any abnormality.
Choice B: Platelets 160,000/mm³ is not a value that the nurse should report to the provider. Platelets, or thrombocytes, are cell fragments that help with blood clotting and hemostasis. The normal range for platelets is 150,000 to 450,000/mm³. Platelets 160,000/mm³ is within the normal range and does not indicate any abnormality.
Choice C: WBC 1,700/mm³ is a value that the nurse should report to the provider. WBC, or white blood cells, are cells that fight infection and inflammation. The normal range for WBC is 4,500 to 11,000/mm³. WBC 1,700/mm³ is below the normal range and indicates leukopenia, which is a low number of white blood cells. Leukopenia can be caused by various conditions, such as viral infections, autoimmune disorders, bone marrow suppression, or chemotherapy. Leukopenia can increase the risk of infection and sepsis and requires prompt evaluation and treatment.
Choice D: Hgb 14.7 g/dL is not a value that the nurse should report to the provider. Hgb, or hemoglobin, is a protein in red blood cells that carries oxygen to the tissues. The normal range for Hgb is 13.5 to 17.5 g/dL for men and 12.0 to 15.5 g/dL for women. Hgb 14.7 g/dL is within the normal range and does not indicate any abnormality.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
Choice a) is incorrect because troponin is not an enzyme, but a protein. Enzymes are molecules that speed up chemical reactions in the body. Troponin does not have this function.
Choice b) is correct because troponin is a protein that binds to calcium and regulates the contraction of heart muscle fibers. When the heart muscle is injured, such as in a myocardial infarction, troponin leaks into the bloodstream and can be detected by a blood test. The higher the level of troponin, the more severe the damage to the heart.
Choice c) is incorrect because troponin does not help transport oxygen throughout the body. That function is performed by hemoglobin, which is a protein found in red blood cells.
Choice d) is incorrect because troponin is not a lipid, but a protein. Lipids are fats that are used for energy storage and cell membrane formation. Troponin does not have these roles.
Correct Answer is D
Explanation
The correct answer is D. Blood pressure 115/68 mm Hg.
Choice A reason: Heart rate 180/min is incorrect because, although an increased heart rate is a compensatory mechanism, a rate of 180/min is excessively high and suggests a more severe stage of shock or other cardiac issues.
Choice B reason: Mottled skin is incorrect as it indicates poor perfusion seen in decompensated shock, where organ dysfunction begins to manifest, not in the compensatory stage.
Choice C reason: Hypokalemia, or low potassium levels, is incorrect because electrolyte imbalances are not typically a finding in the compensatory stage of shock. Normal potassium levels range from 3.5 to 5.0 mEq/L.
Choice D reason: Blood pressure 115/68 mm Hg is correct because it falls within the normal blood pressure range, which the body strives to maintain during the compensatory stage of shock through various mechanisms.
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