Radioactive iodine treatment is the therapy of choice in patients with Graves' disease. The patient should be prepared:
To need short-term thyroid replacement therapy.
To possibly need lifelong thyroid replacement therapy.
To achieve full recovery after treatment.
To receive lifelong iodine treatment.
The Correct Answer is B
Choice A reason: While some patients might need short-term thyroid replacement therapy after radioactive iodine treatment, this is not as common as the need for long-term or lifelong therapy. Radioactive iodine often causes hypothyroidism, which requires ongoing thyroid hormone replacement.
Choice B reason: Radioactive iodine treatment frequently leads to hypothyroidism, where the thyroid gland no longer produces enough thyroid hormone. As a result, patients often require lifelong thyroid hormone replacement therapy to maintain normal thyroid function. This is a common outcome and patients should be prepared for this possibility when undergoing treatment for Graves' disease.
Choice C reason: Although radioactive iodine is effective in treating Graves' disease, it does not guarantee full recovery without the need for further treatment. Most patients will develop hypothyroidism and need thyroid hormone replacement therapy. Complete recovery without any need for ongoing management is uncommon.
Choice D reason: Lifelong iodine treatment is not required after radioactive iodine therapy for Graves' disease. The primary treatment involves administering a specific dose of radioactive iodine to ablate the overactive thyroid tissue. Following this, patients typically need thyroid hormone replacement therapy, not continuous iodine treatment.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
Choice A reason: Preventing constipation is not the primary reason for prescribing metoprolol alongside nifedipine. While managing side effects is important in patient care, metoprolol does not have a notable effect on gastrointestinal motility to address constipation.
Choice B reason: Reducing flushing is not the main purpose of metoprolol. Flushing can sometimes be a side effect of vasodilatory medications, but it is not the specific reason for adding a beta-blocker like metoprolol to a treatment regimen involving a calcium channel blocker like nifedipine.
Choice C reason: Minimizing gingival hyperplasia is not the intended effect of metoprolol. Gingival hyperplasia can be a side effect of certain medications, such as calcium channel blockers like nifedipine, but metoprolol does not specifically counteract this effect.
Choice D reason: Preventing reflex tachycardia is the primary reason for prescribing metoprolol alongside nifedipine. Nifedipine, a calcium channel blocker, can cause vasodilation, which may lead to a reflex increase in heart rate (tachycardia) as the body tries to maintain blood pressure. Metoprolol, a beta-blocker, helps prevent this reflex tachycardia by slowing the heart rate and reducing the workload on the heart, thus complementing the antihypertensive effect of nifedipine.
Correct Answer is B
Explanation
Choice A reason: Amphotericin B is typically administered intravenously because it is poorly absorbed from the gastrointestinal tract and thus not suitable for oral administration. It is used to treat severe systemic fungal infections and is known for its potential nephrotoxicity and other adverse effects.
Choice B reason: Azoles, such as fluconazole and itraconazole, generally have lower toxicity compared to amphotericin B. They are often used as first-line treatments for many fungal infections due to their safer side effect profile. Azoles work by inhibiting the synthesis of ergosterol, an essential component of fungal cell membranes, and are available in both oral and intravenous formulations, making them more versatile in their use.
Choice C reason: While amphotericin B does have some drug interactions, it is not typically known for significantly increasing the levels of many other drugs. Instead, the primary concern with amphotericin B is its potential for nephrotoxicity and other direct adverse effects on the patient.
Choice D reason: Both amphotericin B and azoles are considered broad-spectrum antifungal agents. Amphotericin B is effective against a wide range of fungi, including many that are resistant to other antifungal agents. Azoles are also broad-spectrum and are used to treat a variety of fungal infections, but they generally have a better safety profile than amphotericin B.
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