To evaluate a client for hypoxia, the physician is most likely to order which laboratory test?
Red blood cell count
Sputum culture
Total hemoglobin
Arterial blood gas (ABG) analysis
The Correct Answer is D
A. Red blood cell count can indicate oxygen-carrying capacity over time but does not directly assess current oxygenation status.
B. Sputum culture identifies pathogens in respiratory infections but does not evaluate oxygen levels.
C. Total hemoglobin reflects oxygen-carrying capacity but does not show whether the blood is actually oxygenated.
D. Arterial blood gas (ABG) analysis directly measures oxygen (PaO₂), carbon dioxide (PaCO₂), and pH levels in arterial blood, making it the most accurate and immediate test for evaluating hypoxia.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
A. Fluid balance management is more critical in conditions like heart failure or renal disease, not routine post-cholecystectomy care.
B. Blood glucose monitoring is not routinely necessary after cholecystectomy unless the client has diabetes.
C. Educating the client about signs and symptoms of intra-abdominal complications such as infection, bile leak, or bleeding is essential to ensure early recognition and timely medical intervention.
D. Pancreatic enzymes are not usually prescribed after cholecystectomy unless the client has pancreatic insufficiency, which is uncommon.
Correct Answer is C
Explanation
A. Hyponatremia is not directly related to parathyroid function and is more commonly associated with conditions like SIADH.
B. Hypophosphatemia may be seen in refeeding syndrome or other metabolic disturbances, but not as a primary indicator of parathyroid injury.
C. Hypocalcemia is the hallmark laboratory finding following accidental removal or injury to the parathyroid glands during thyroidectomy, as parathyroid hormone (PTH) regulates calcium levels.
D. Hypokalemia is related to potassium imbalance and is not specific to parathyroid or calcium regulation.
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