A client's electronic health record notes that the client has previously undergone treatment for secondary polycythemia. The nurse should assess for which factor?

Recent blood donation

A history of venous thromboembolism

Evidence of lung disease

Impaired renal function

Answer and Explanation

The Correct Answer is C

Reasoning:

Choice A reason: Recent blood donation is not a primary cause of secondary polycythemia, which results from chronic hypoxia or erythropoietin excess, not blood loss. Donation may temporarily reduce red blood cell count, but it does not drive the increased erythropoiesis seen in secondary polycythemia, making it less relevant.

Choice B reason: A history of venous thromboembolism is a consequence, not a cause, of secondary polycythemia. Increased red blood cell mass elevates blood viscosity, raising clotting risk, but thromboembolism does not trigger polycythemia. The nurse should assess for underlying causes like hypoxia, not its complications.

Choice C reason: Evidence of lung disease is critical to assess, as secondary polycythemia is often caused by chronic hypoxia from conditions like chronic obstructive pulmonary disease. Low oxygen levels stimulate erythropoietin production, increasing red blood cell mass to enhance oxygen delivery, making lung disease a primary factor to evaluate.

Choice D reason: Impaired renal function is not a primary cause of secondary polycythemia. While kidneys produce erythropoietin, renal disease typically causes anemia due to reduced erythropoietin. Rarely, renal tumors may increase erythropoietin, but lung disease is a more common driver of secondary polycythemia in clinical practice.

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Correct Answer is C

Explanation

Reasoning:

Choice A reason: Above-normal urine osmolality and below-normal serum osmolality are not consistent with diabetes insipidus. High urine osmolality suggests concentrated urine, typical in syndrome of inappropriate antidiuretic hormone (SIADH), where ADH is excessive. Low serum osmolality also aligns with SIADH due to water retention, not the water loss seen in diabetes insipidus.

Choice B reason: Above-normal urine and serum osmolality levels do not reflect diabetes insipidus. High urine osmolality indicates concentrated urine, which contradicts the dilute urine output of diabetes insipidus. High serum osmolality could occur with dehydration, but the combination with high urine osmolality suggests another condition, not ADH deficiency.

Choice C reason: Below-normal urine osmolality and above-normal serum osmolality are classic findings in diabetes insipidus. Arginine vasopressin (ADH) deficiency impairs water reabsorption, leading to dilute urine (low osmolality). The resulting water loss increases serum osmolality as the body becomes dehydrated, supporting the diagnosis of diabetes insipidus.

Choice D reason: Below-normal urine and serum osmolality levels are inconsistent with diabetes insipidus. Low urine osmolality occurs due to ADH deficiency, but low serum osmolality suggests water retention, as in SIADH. Diabetes insipidus causes dehydration, elevating serum osmolality, not lowering it, making this combination unlikely in this condition.

A. Take an herbal form of feverfew B. Take opioid analgesics C. Avoid heavy lifting D. Include peanut butter, bread, or tart foods in the diet

Correct Answer is C

Explanation

Reasoning:

Choice A reason: Feverfew, an herbal supplement, is sometimes used for migraines but has no proven role in aneurysm management. It may affect platelet function, increasing bleeding risk if an aneurysm ruptures, making it an inappropriate and potentially harmful recommendation for this client’s condition.

Choice B reason: Opioid analgesics are not routinely recommended for aneurysm management unless severe pain from rupture occurs. Prophylactic use is inappropriate, as it does not prevent aneurysm complications and may mask symptoms, delaying intervention. Lifestyle measures like avoiding strain are more relevant for prevention.

Choice C reason: Avoiding heavy lifting is critical for clients with an aneurysm, as increased intra-abdominal or thoracic pressure from lifting can elevate blood pressure, risking aneurysm rupture. This lifestyle modification reduces mechanical stress on the aneurysm wall, promoting safety and preventing catastrophic bleeding events.

Choice D reason: Including peanut butter, bread, or tart foods in the diet is unrelated to aneurysm management. Dietary choices do not directly affect aneurysm stability or rupture risk. Blood pressure control and avoiding strain, like heavy lifting, are more critical to prevent aneurysm complications.

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A client's electronic health record notes that the client has previously undergone treatment for secondary polycythemia. The nurse should assess for which factor?

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