A patient presents to the emergency room with symptoms of severe eye pain, blurred vision, and nausea. The ophthalmologist diagnoses the patient with acute narrow-angle glaucoma. Which of the following interventions should be prioritized to alleviate the patient’s symptoms and prevent further complications?
Administer intravenous acetazolamide to reduce intraocular pressure.
Apply warm compresses to the affected eye to relieve pain.
Encourage the patient to drink plenty of fluids to stay hydrated.
Administer a mydriatic agent to dilate the pupil.
Advising the patient to limit fluid intake to prevent kidney damage is not appropriate. In fact, adequate hydration is crucial for patients with multiple myeloma to help flush out toxins and prevent kidney damage. Limiting fluid intake can lead to dehydration and worsen kidney function, which is already at risk due to the disease.
The Correct Answer is A
Choice A Reason:
Administering intravenous acetazolamide is a critical intervention for acute narrow-angle glaucoma. Acetazolamide is a carbonic anhydrase inhibitor that reduces the production of aqueous humor, thereby lowering intraocular pressure (IOP) quickly. Reducing IOP is essential to prevent optic nerve damage and preserve vision. Normal IOP ranges from 10 to 21 mmHg, and in acute narrow-angle glaucoma, it can exceed 30 mmHg. Rapid reduction of IOP is crucial to alleviate symptoms and prevent further complications.
Choice B Reason:
Applying warm compresses to the affected eye is not an appropriate intervention for acute narrow-angle glaucoma. Warm compresses may provide temporary relief for some eye conditions, but they do not address the underlying issue of elevated intraocular pressure. In fact, warm compresses can potentially increase blood flow to the eye, which might exacerbate the condition.
Choice C Reason:
Encouraging the patient to drink plenty of fluids to stay hydrated is generally good advice for overall health, but it is not a prioritized intervention for acute narrow-angle glaucoma. Hydration does not directly impact intraocular pressure or alleviate the acute symptoms of glaucoma. The primary focus should be on reducing IOP to prevent optic nerve damage.
Choice D Reason:
Administering a mydriatic agent to dilate the pupil is contraindicated in acute narrow-angle glaucoma. Mydriatic agents can worsen the condition by further narrowing the anterior chamber angle, increasing intraocular pressure, and potentially causing more damage to the optic nerve. It is crucial to avoid pupil dilation in this scenario.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
Choice A Reason:
Monitoring platelet counts and assessing for signs of bleeding is crucial for managing thrombocytopenia. Thrombocytopenia is characterized by a low platelet count, which increases the risk of bleeding. Regular monitoring helps in detecting any significant drops in platelet levels, allowing for timely interventions to prevent severe bleeding. Assessing for signs of bleeding, such as petechiae, bruising, or nosebleeds, is essential to manage the condition effectively and prevent complications.
Choice B Reason:
Administering aspirin to manage pain and prevent clot formation is not appropriate for patients with thrombocytopenia. Aspirin is an antiplatelet agent that inhibits platelet function, which can exacerbate bleeding tendencies in patients with low platelet counts. Using aspirin in this context could increase the risk of bleeding and is therefore contraindicated.
Choice C Reason:
Administering a diuretic to reduce fluid retention and swelling is not relevant for managing thrombocytopenia. Diuretics are used to manage conditions like hypertension and edema but do not address the underlying issue of low platelet counts. In fact, diuretics can lead to electrolyte imbalances, which may complicate the patient’s condition further.
Choice D Reason:
Encouraging the patient to increase physical activity to improve circulation is not a priority intervention for thrombocytopenia. While physical activity is generally beneficial for overall health, it can increase the risk of trauma and bleeding in patients with low platelet counts. It is important to avoid activities that could lead to injury and bleeding in these patients.
Correct Answer is C
Explanation
Choice A Reason:
Methimazole is an antithyroid medication that inhibits the synthesis of thyroid hormones. It is commonly used to manage hyperthyroidism, especially in patients who are not candidates for radioactive iodine therapy or surgery. Methimazole is effective in reducing thyroid hormone levels and controlling symptoms, but it requires long-term use and regular monitoring of thyroid function tests.
Choice B Reason:
Levothyroxine is a synthetic form of thyroxine (T4) used to treat hypothyroidism, not hyperthyroidism. Administering levothyroxine to a patient with hyperthyroidism would exacerbate the condition by increasing thyroid hormone levels. Therefore, it is not an appropriate treatment for managing hyperthyroidism.
Choice C Reason:
Radioactive iodine is a widely used treatment for hyperthyroidism. It works by destroying overactive thyroid cells, thereby reducing the production of thyroid hormones. This treatment is particularly effective for patients with Graves’ disease, toxic multinodular goiter, or toxic adenoma. Radioactive iodine is a definitive treatment that can lead to a permanent resolution of hyperthyroidism, although it may result in hypothyroidism, which can be managed with levothyroxine.
Choice D Reason:
Propranolol is a beta-blocker that helps manage the symptoms of hyperthyroidism, such as palpitations, tremors, and anxiety. While it is useful for symptomatic relief, it does not address the underlying cause of hyperthyroidism. Propranolol is often used in conjunction with other treatments, such as antithyroid medications or radioactive iodine, to provide immediate symptom control.
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