A nurse is caring for a client who has myasthenia gravis which has not responded to medication treatments. Which of the following surgeries can treat myasthenia gravis?
Splenectomy
Thymectomy
Appendectomy
Cholecystectomy
The Correct Answer is B
A. Splenectomy is not a standard treatment for myasthenia gravis. The spleen's role is primarily related to immune function and blood filtration rather than the pathophysiology of MG.
B. Thymectomy is a surgical procedure that involves the removal of the thymus gland. The thymus gland plays a role in the development and regulation of the immune system. In some cases of myasthenia gravis, especially in younger patients or those with thymoma (a tumor of the thymus gland), thymectomy can lead to improvement or remission of symptoms. This procedure is considered in cases where myasthenia gravis is refractory to medication or in cases associated with thymoma.
C. Appendectomy is the surgical removal of the appendix and is not a treatment for myasthenia gravis. The appendix is not implicated in the pathophysiology of MG.
D. Cholecystectomy is the surgical removal of the gallbladder and is performed for conditions related to the gallbladder, such as gallstones or inflammation. It is not indicated for the treatment of myasthenia gravis.
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Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
A. Splenectomy is not a standard treatment for myasthenia gravis. The spleen's role is primarily related to immune function and blood filtration rather than the pathophysiology of MG.
B. Thymectomy is a surgical procedure that involves the removal of the thymus gland. The thymus gland plays a role in the development and regulation of the immune system. In some cases of myasthenia gravis, especially in younger patients or those with thymoma (a tumor of the thymus gland), thymectomy can lead to improvement or remission of symptoms. This procedure is considered in cases where myasthenia gravis is refractory to medication or in cases associated with thymoma.
C. Appendectomy is the surgical removal of the appendix and is not a treatment for myasthenia gravis. The appendix is not implicated in the pathophysiology of MG.
D. Cholecystectomy is the surgical removal of the gallbladder and is performed for conditions related to the gallbladder, such as gallstones or inflammation. It is not indicated for the treatment of myasthenia gravis.
Correct Answer is B
Explanation
A. Headache is a common side effect of nitroglycerin due to its vasodilatory effects, especially in the head. Most headaches associated with nitroglycerin are mild and transient. Patients are generally advised to continue using the medication as prescribed unless the headache is severe or persistent.
B. Nitroglycerin tablets are used for the immediate relief of angina symptoms. If the first tablet does not adequately relieve chest pain within 5 minutes, the patient can take a second tablet. If the pain persists after the second tablet, emergency medical attention should be sought. However, it's important to note that the maximum number of tablets that can be taken within a short period should be specified by the healthcare provider, typically 2 or 3 tablets in 15 to 30 minutes.
C. Nitroglycerin can cause orthostatic hypotension, which is a drop in blood pressure upon standing up. This can lead to dizziness or fainting. Therefore, patients should be advised to stand up slowly after taking nitroglycerin to minimize the risk of falls or injury.
D. Nitroglycerin tablets are sensitive to light, heat, and moisture, which can reduce their effectiveness over time. Therefore, it's recommended to replace nitroglycerin tablets every 3 to 6 months to ensure potency and effectiveness.
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