A 45-year-old male patient presents with complaints of severe headaches, visual disturbances, and joint pain. Upon further investigation, he is diagnosed with hyperpituitarism. Which of the following is the most likely underlying cause of his symptoms?
Adrenal hyperplasia
Pituitary adenoma
Thyroid carcinoma
Hypothalamic dysfunction
The Correct Answer is B
Choice A Reason:
Adrenal hyperplasia involves the enlargement of the adrenal glands, which can lead to an overproduction of adrenal hormones. However, it does not directly cause hyperpituitarism. Hyperpituitarism is related to the overactivity of the pituitary gland, not the adrenal glands.
Choice B Reason:
Pituitary adenoma is the most common cause of hyperpituitarism. These benign tumors in the pituitary gland lead to the overproduction of one or more pituitary hormones, causing symptoms such as severe headaches, visual disturbances, and joint pain. The pituitary gland’s overactivity due to the adenoma results in the excessive release of hormones, which can affect various bodily functions.
Choice C Reason:
Thyroid carcinoma is a type of cancer that affects the thyroid gland While it can cause hormonal imbalances, it does not typically lead to hyperpituitarism. The symptoms described are more consistent with a pituitary-related issue rather than a thyroid condition.
Choice D Reason:
Hypothalamic dysfunction can affect the pituitary gland’s function since the hypothalamus regulates pituitary hormone release. However, it is less likely to be the primary cause of hyperpituitarism compared to a pituitary adenoma. The direct overproduction of hormones by the pituitary gland is more commonly due to an adenoma.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
Choice A Reason:
Macular degeneration primarily affects central vision and is characterized by a gradual loss of vision rather than sudden symptoms. It does not typically cause flashes of light, shadows over the visual field, or floaters. These symptoms are more indicative of a retinal issue.
Choice B Reason:
Cataracts cause clouding of the lens, leading to blurred vision and difficulty seeing at night. However, they do not cause sudden flashes of light, shadows over the visual field, or floaters. Cataracts develop gradually and do not present with acute symptoms.
Choice C Reason:
Glaucoma is associated with increased intraocular pressure, which can lead to gradual loss of peripheral vision. While acute angle-closure glaucoma can cause sudden symptoms, it typically presents with severe eye pain, headache, and nausea, rather than flashes of light and floaters.
Choice D Reason:
Retinal detachment is characterized by the sudden onset of flashes of light, floaters, and a shadow or curtain over the visual field. These symptoms occur because the retina is pulling away from its normal position, which can lead to vision loss if not treated promptly. Immediate medical attention is required to prevent permanent vision loss.
Correct Answer is B
Explanation
Choice A Reason:
Caffeine-rich beverages are not recommended for patients with Meniere’s disease. Caffeine can exacerbate symptoms such as vertigo and tinnitus by increasing the fluid pressure in the inner ear. Therefore, avoiding caffeine is generally advised to help manage the condition.
Choice B Reason:
A low-sodium diet is an appropriate treatment for Meniere’s disease. Reducing sodium intake helps decrease fluid retention in the body, including the inner ear, which can alleviate symptoms such as vertigo, tinnitus, and hearing loss. This dietary modification is a cornerstone of managing Meniere’s disease and can significantly improve the patient’s quality of life.
Choice C Reason:
High-intensity interval training (HIIT) is not suitable for patients with Meniere’s disease. Intense physical activity can trigger vertigo attacks and worsen balance issues. Patients are generally advised to engage in moderate, low-impact exercises that do not provoke symptoms.
Choice D Reason:
Prolonged bed rest is not an appropriate treatment for Meniere’s disease. While rest may be necessary during acute vertigo attacks, long-term bed rest can lead to deconditioning and other health issues. It is important for patients to maintain a balance between rest and activity to manage their symptoms effectively.
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