The nurse is obtaining a medical history from a client scheduled for a thyroid diagnostic test. Which of the following findings may affect the results?
A diagnosis of schizophrenia.
The client is taking a prescribed oral contraceptive.
The client takes vitamin C daily.
A history of obesity.
The Correct Answer is B
A. Schizophrenia itself does not typically affect thyroid diagnostic test results. However, some medications used to treat schizophrenia may potentially influence thyroid function, but the diagnosis alone is not a direct factor.
B. Oral contraceptives can affect thyroid function tests. They may increase the levels of thyroid-binding globulin (TBG), which could result in falsely elevated total thyroid hormone levels. This can affect the interpretation of thyroid function tests, such as TSH, T3, and T4.
C. Vitamin C does not typically interfere with thyroid function tests. It is generally considered safe and does not directly affect the results of thyroid diagnostic tests.
D. Obesity does not directly interfere with thyroid diagnostic tests. However, thyroid disorders, especially hypothyroidism, are more common in individuals with obesity, so it may be a consideration in assessing thyroid function.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
A. Regular insulin IV at 0.1 unit/kg/hr is a standard prescription for managing diabetic ketoacidosis (DKA). Regular insulin is administered intravenously to reduce blood glucose and correct the acidosis in DKA.
B. The nurse should clarify this prescription. In the initial management of DKA, the focus is on correcting fluid deficits, and a typical intravenous fluid for this purpose is 0.9% normal saline (not dextrose). Once blood glucose levels start to decrease and are near 200 mg/dL, dextrose may be introduced to prevent hypoglycemia, but it should not be started too early in the treatment of DKA.
C. Monitoring arterial blood gases (ABGs) is crucial in DKA to assess the severity of acidosis and monitor the effectiveness of treatment, typically done every 1 to 2 hours.
D. Regular insulin is typically mixed with 0.9% normal saline for intravenous administration in DKA. This solution helps deliver the insulin slowly and safely while rehydrating the client.
Correct Answer is B
Explanation
A. The catheter (infusion set) should generally be changed every 2 to 3 days, not every week, to avoid infection or issues with insulin delivery.
B. Insulin pumps are typically filled with rapid-acting insulin (such as insulin aspart, lispro, or glulisine) because it starts working quickly to help control blood glucose levels throughout the day.
C. The pump can be removed temporarily for activities like showering or swimming, though the catheter or infusion set must remain in place. However, clients should not remove the pump for extended periods without consulting their healthcare provider.
D. Clients using an insulin pump should check their blood glucose levels multiple times per day, typically before meals and at bedtime, to ensure accurate insulin dosing and blood sugar control.
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