The nurse is caring for a patient with hyperparathyroidism.
Upon assessment, the nurse notes polyuria, polydipsia, nausea, and vomiting and the following lab values: Potassium: 130 mg/dL. Calcium: 4.7 mg/dL. Phosphorus: 13.1 mg/dL. Magnesium: 25 mg/dL. Which of the following medications is recommended for this patient?
Regular insulin 10 units subcutaneous.
Chlorothiazide 750 mg intravenous.
Calcitonin 300 international units subcutaneous.
Calcitriol 0.75 mcg orally.
The Correct Answer is C
Choice A rationale
Regular insulin 10 units subcutaneous is used to lower blood glucose levels in hyperkalemia. While insulin can help shift potassium into cells, it is not indicated for hypercalcemia or hyperparathyroidism. Regular insulin would not address the elevated calcium levels in this patient.
Choice B rationale
Chlorothiazide 750 mg intravenous is a diuretic that can increase calcium reabsorption in the kidneys, potentially worsening hypercalcemia. It is contraindicated in hyperparathyroidism because it can exacerbate the high calcium levels and associated symptoms.
Choice C rationale
Calcitonin 300 international units subcutaneous is the correct choice for this patient. Calcitonin inhibits osteoclast activity, reducing bone resorption and lowering serum calcium levels. It provides rapid but short-term control of hypercalcemia, which is crucial for managing acute symptoms of hyperparathyroidism.
Choice D rationale
Calcitriol 0.75 mcg orally is an active form of vitamin D that increases calcium absorption in the gut. It is used to manage hypocalcemia, not hypercalcemia. Administering calcitriol would further elevate the already high calcium levels, worsening the patient's condition.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
Choice A rationale
Prevent graft versus host disease (GVHD) is a common complication following an allogeneic stem cell transplant. Immunosuppressant medications are given to prevent the donor immune cells from attacking the recipient's body tissues, which is GVHD. This prevention is crucial for the success of the transplant and the patient's overall recovery.
Choice B rationale
Prevent graft rejection is more commonly associated with solid organ transplants like kidney or liver transplants. In the context of stem cell transplants, preventing GVHD is the primary concern rather than preventing graft rejection.
Choice C rationale
Preventing hospital-acquired infections is important for all patients, especially those with compromised immune systems. However, this is not the primary indication for immunosuppressant medications following an allogeneic stem cell transplant. Other measures, such as infection control protocols, are more directly related to this.
Choice D rationale
Preventing a relapse of leukemia is a key goal of the overall treatment plan for leukemia patients. However, immunosuppressant medications do not directly prevent a relapse; instead, they help manage complications like GVHD that can arise from the transplant process.
Correct Answer is A
Explanation
Choice A rationale
Dairy milk is a rich source of calcium, which is essential for patients with hypoparathyroidism. This condition leads to low levels of parathyroid hormone, causing hypocalcemia (low calcium levels in the blood). Including calcium-rich foods like dairy milk helps to manage this deficiency and maintain normal calcium levels.
Choice B rationale
Eggs provide some calcium, but their primary nutritional value is their protein content. While beneficial for overall health, eggs alone are not sufficient to address the calcium needs of patients with hypoparathyroidism, who require higher calcium intake.
Choice C rationale
Spinach contains calcium; however, it also has high levels of oxalates, which can bind to calcium and reduce its absorption in the body. Therefore, relying on spinach for calcium intake is not ideal for patients with hypoparathyroidism, who need to maximize calcium absorption to manage their condition effectively.
Choice D rationale
Green beans are nutritious and provide some calcium, but they are not among the top sources of calcium required for managing hypoparathyroidism. Patients with this condition need higher calcium intake from more concentrated sources like dairy products.
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