A nurse is reviewing the laboratory values for an adolescent who is scheduled for a surgical procedure.
For which of the following laboratory values should the nurse notify the provider?
Platelet count 120,000/mm².
WBC count 9,800/mm³.
Hgb 13 mg/dL.
Hct 42%.
The Correct Answer is A
The nurse should notify the provider because this value is lower than the normal range of 150,000 to 450,000 platelets per microliter of blood. A low platelet count can indicate a risk of bleeding or a condition such as thrombocytopenia or disseminated intravascular coagulation (DIC).
Choice B is wrong because WBC count 9,800/mm³ is within the normal range of 4,500 to 11,000 cells per microliter of blood.
Choice C is wrong because Hgb 13 mg/dL is within the normal range of 12 to 16 mg/dL for females and 14 to 18 mg/dL for males.
Choice D is wrong because Hct 42% is within the normal range of 37% to 47% for females and 42% to 52% for males.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
Moist heat can help reduce pain and stiffness in the joints by increasing blood flow and relaxing the muscles. Moist heat can be applied using warm compresses, heating pads, or warm baths.
Choice A is wrong because using a recliner when sitting for long periods can increase pressure on the knees and decrease circulation. A better option is to use a straight-backed chair with a footstool.
Choice C is wrong because sleeping on a soft mattress can cause poor alignment of the spine and joints, which can worsen pain and mobility. A firm mattress is recommended for clients with osteoarthritis.
Choice D is wrong because placing large pillows under the knees when lying in bed can limit the range of motion of the knees and cause contractures. A small pillow under the knees can provide some support and comfort, but it should not be too large or too high.
Correct Answer is B
Explanation
The indirect Coombs test is used to detect antibodies against foreign red blood cells in the maternal serum. This test can help identify maternal-fetal blood incompatibility, which can cause hemolytic disease of the newborn.
Choice A is wrong because homocysteine is a type of amino acid and is not related to blood compatibility.
Choice C is incorrect because erythropoietin is a hormone that regulates red blood cell production and is not a specific test for detecting maternal-fetal blood incompatibility.
Choice D is not the correct answer as aPTT (activated partial thromboplastin time) is a test used to evaluate blood clotting factors and is not directly related to monitoring maternal-fetal blood incompatibility.
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