A nurse is reviewing the medical record of a client who has hyperthyroidism (Graves disease). Which of the following serum laboratory findings should the nurse expect to be below the expected reference range?
Thyroxine (T4) level
Triiodothyronine (T3) level
Thyroid stimulating hormone (TSH) level
Glucose level
The Correct Answer is C
Choice A: Thyroxine (T4) level. This is incorrect because T4 is one of the thyroid hormones that is increased in hyperthyroidism. T4 is produced by the thyroid gland and converted to T3 in the tissues. A high level of T4 indicates overactivity of the thyroid gland.1
Choice B: Triiodothyronine (T3) level. This is incorrect because T3 is another thyroid hormone that is increased in hyperthyroidism. T3 is the more active form of thyroid hormone and regulates the metabolism of cells. A high level of T3 indicates overactivity of the thyroid gland.1
Choice C: Thyroid stimulating hormone (TSH) level. This is correct because TSH is a hormone that stimulates the thyroid gland to produce T4 and T3. TSH is produced by the pituitary gland and regulated by a feedback mechanism. When the levels of T4 and T3 are high, the pituitary gland reduces the secretion of TSH to inhibit further production of thyroid hormones. Therefore, a low level of TSH indicates hyperthyroidism.1
Choice D: Glucose level. This is incorrect because glucose level is not directly related to thyroid function. However, hyperthyroidism can affect glucose metabolism and cause increased blood sugar levels due to increased breakdown of glycogen and glucose uptake by cells. Therefore, glucose level may be elevated in some cases of hyperthyroidism, but it is not a specific indicator.

Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
Choice A: Weigh the client weekly. This is incorrect because the client receiving PN should be weighed daily, not weekly, to monitor fluid balance and nutritional status. The nurse should also measure the client’s intake and output, blood glucose, electrolytes, and other laboratory values daily.
Choice B: Reduce the rate of the solution gradually to discontinue. This is correct because the nurse should taper off the PN solution slowly to prevent rebound hypoglycemia, which can occur when the high concentration of glucose in the PN solution is abruptly stopped. The nurse should follow the provider’s orders or the facility’s protocol for reducing and discontinuing PN.
Choice C: Remove solution from refrigerator 2 hr before infusion. This is incorrect because the nurse should remove the PN solution from the refrigerator 30 to 60 minutes before infusion, not 2 hr, to allow it to reach room temperature. Infusing a cold solution can cause discomfort, vasoconstriction, and impaired absorption of nutrients.
Choice D: Shake the solution before hanging if there is a layer of fat present on the top. This is incorrect because the nurse should not shake the PN solution at all, as this can cause fat emulsion droplets to coalesce and form large particles that can clog the filter or cause embolism. The nurse should gently invert or roll the PN solution container to mix it if there is any separation of components.
Correct Answer is A
Explanation
Choice A reason: Roast chicken with white rice is a low-fiber, easy-to-digest meal that is suitable for a client who has recovered from the acute phase of diverticulitis. A low-fiber diet can help reduce the stress on the colon and allow it to heal. White rice is a refined grain that has less fiber than whole grains, such as brown rice or quinoa12.
Choice B reason: A poached egg with sliced tomatoes is not a good choice for a client who has recovered from the acute phase of diverticulitis. Although eggs are a good source of protein and do not contain fiber, tomatoes are high in fiber and may irritate the colon. Tomatoes also have seeds, which were previously thought to cause problems for people with diverticular disease, but there is no evidence to support this. However, some people may still find them uncomfortable to eat13.
Choice C reason: Bean soup with steamed broccoli is not a good choice for a client who has recovered from the acute phase of diverticulitis. Beans and broccoli are both high in fiber and may cause gas, bloating, and cramping in the colon. A high-fiber diet is recommended for people with diverticulosis (the presence of pouches without inflammation) to prevent constipation and diverticulitis, but it should be avoided during or shortly after an episode of diverticulitis12.
Choice D reason: Ham sandwich on white bread is not a good choice for a client who has recovered from the acute phase of diverticulitis. Although white bread is low in fiber, ham is a processed meat that may increase the risk of developing diverticular disease. Research suggests that a diet high in red meat and processed meat may contribute to inflammation and infection of the pouches in the colon.

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