A nurse is reinforcing teaching with an adolescent client about the purpose of the glycosylated hemoglobin (HbA1c) test. Which of the following descriptions should the nurse include in the teaching?
"It measures the amount of oxygen circulating in the blood."
"It measures the amount of immature white blood cells."
"It measures the glucose circulating in the blood stream.
"It measures the amount of red blood cells."
The Correct Answer is C
A. "It measures the amount of oxygen circulating in the blood." The HbA1c test does not measure oxygen levels. Oxygen levels in the blood are measured through tests like pulse oximetry or arterial blood gas tests.
B. "It measures the amount of immature white blood cells." The HbA1c test measures the average blood glucose levels over the past 2-3 months, not white blood cells. The immature white blood cell count is assessed through a different blood test (e.g., a complete blood count).
C. "It measures the glucose circulating in the blood stream." The HbA1c test reflects the average blood glucose levels over the past 2-3 months by measuring the percentage of hemoglobin that has glucose attached to it.
D. "It measures the amount of red blood cells." The HbA1c test does not measure the number of red blood cells; it measures the percentage of hemoglobin in red blood cells that is bound to glucose, which helps assess blood sugar control over time.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
A. Temperature: A temperature of 38.6°C (101.5°F) is elevated, but fever is a common symptom of bacterial pneumonia. It is important to monitor, but it is not the most critical finding in this case.
B. Skin condition: Hives and flushing could be signs of an allergic reaction to medication, but this is not immediately life-threatening. The nurse should report it, but the priority in this case is the oxygen saturation, which reflects the patient's respiratory status.
C. Oxygen saturation: Oxygen saturation of 93% is below the typical threshold of 95-100% and indicates mild hypoxemia. In a patient with bacterial pneumonia, low oxygen saturation signify worsening respiratory function. This requires immediate attention and reporting.
D. Lung sounds: Coarse crackles in the right lower lobe are expected in pneumonia due to lung consolidation. While it is important to monitor lung sounds, the priority is addressing the oxygen saturation level, which is directly related to the patient's ability to breathe effectively.
Correct Answer is A
Explanation
A. Implementing droplet precautions: Pertussis (whooping cough) is highly contagious and spreads through respiratory droplets. Implementing droplet precautions is essential to prevent the transmission of the infection to others, especially in a school-age child.
B. Obtaining a nasopharyngeal culture: While obtaining a culture is important for confirming the diagnosis of pertussis, the priority is to prevent the spread of the disease to others. Droplet precautions should be implemented immediately to reduce transmission.
C. Encouraging family members' compliance with antibiotic therapy: Antibiotic therapy is important for treating pertussis, but this is secondary to preventing the spread of infection. Once precautions are in place, encouraging adherence to the prescribed antibiotic regimen is necessary for the child's recovery.
D. Offering small amounts of oral fluids frequently: Maintaining hydration is important for a child with pertussis, especially as coughing can cause discomfort. However, the priority action is preventing the spread of the infection through droplet precautions.
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