A nurse is caring for a client with the syndrome of inappropriate antidiuretic hormone secretion (SIADH). Which finding would indicate that the client has developed fluid overload?
Confusion and diarrhea
Hypertension and weight gain without edema
Pulmonary congestion and muscle cramps
Dyspnea and hypertension
The Correct Answer is D
Reasoning:
Choice A reason: Confusion may occur in SIADH due to hyponatremia-induced cerebral edema, but diarrhea is not a typical sign of fluid overload. Diarrhea causes fluid loss, which is opposite to the water retention seen in SIADH, making this combination less indicative of fluid overload compared to cardiovascular or respiratory signs.
Choice B reason: Hypertension may occur in SIADH due to fluid overload, but weight gain without edema is less specific. SIADH often causes subtle fluid retention without overt edema, but weight gain alone does not fully indicate fluid overload, as it lacks the respiratory or cardiovascular specificity of dyspnea and hypertension.
Choice C reason: Pulmonary congestion may indicate fluid overload in SIADH, as excess water can lead to pulmonary edema. However, muscle cramps are more related to hyponatremia than fluid overload itself. This combination is less precise than dyspnea and hypertension for identifying fluid overload in this context.
Choice D reason: Dyspnea and hypertension are key indicators of fluid overload in SIADH. Excessive ADH causes water retention, increasing blood volume, which raises blood pressure. Fluid accumulation in the lungs can cause dyspnea, reflecting pulmonary edema, a serious complication of fluid overload in SIADH, making this the most accurate finding.
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Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["B","C","E"]
Explanation
Reasoning:
Choice A reason: Weight loss is not a typical side effect of corticosteroid therapy for Addison’s disease. Corticosteroids mimic cortisol, promoting weight gain through increased appetite and fat redistribution. Weight loss is more common in untreated Addison’s disease due to cortisol deficiency and reduced appetite.
Choice B reason: Poor wound healing is a side effect of corticosteroids, as they suppress immune responses and inhibit collagen synthesis. This impairs fibroblast activity and tissue repair, increasing infection risk and delaying wound closure, a significant concern for patients on long-term therapy for Addison’s disease.
Choice C reason: Hypertension is a common side effect of corticosteroids due to their mineralocorticoid effects, which increase sodium and water retention, elevating blood volume and pressure. This is particularly relevant in Addison’s disease treatment, where corticosteroids restore deficient aldosterone and cortisol, potentially causing fluid overload.
Choice D reason: Hypotension is not a side effect of corticosteroid therapy but a symptom of untreated Addison’s disease due to aldosterone deficiency, causing sodium loss and hypovolemia. Corticosteroid therapy corrects this, so hypotension is unlikely unless under-dosed or during acute crisis.
Choice E reason: Alterations in glucose metabolism are a side effect of corticosteroids, which induce insulin resistance and increase gluconeogenesis, leading to hyperglycemia. In Addison’s disease, corticosteroids replace deficient cortisol, but excess dosing can mimic Cushing’s syndrome, causing elevated blood glucose and requiring careful monitoring.
Correct Answer is D
Explanation
Reasoning:
Choice A reason: Dilute urine is not expected in SIADH, as excessive ADH promotes water reabsorption in the kidneys’ collecting ducts, leading to concentrated urine with high osmolality. Dilute urine is characteristic of diabetes insipidus, where ADH deficiency causes excessive water loss, producing large volumes of dilute urine.
Choice B reason: Hypernatremia is not a manifestation of SIADH. Excessive ADH causes water retention, diluting serum sodium and leading to hyponatremia. Hypernatremia occurs in conditions like diabetes insipidus, where water loss concentrates sodium, opposite to the fluid overload seen in SIADH.
Choice C reason: Increased serum osmolality is not typical in SIADH. Water retention due to excessive ADH dilutes serum sodium and osmol Jon the same paragraph, and the correct answer with detailed scientific rationales for each choice. The text will be in regular font, with no bold, and each question will be clearly numbered with two lines skipped after the number and one line after the question. I will avoid in-text citations and ensure scientific explanations are detailed and at least 58 words long.
Choice D reason: Concentrated urine is a hallmark of SIADH due to excessive ADH, which promotes water reabsorption in the renal collecting ducts, reducing urine volume and increasing its osmolality. This contrasts with diabetes insipidus, where dilute urine is produced, making concentrated urine a key diagnostic feature of SIADH.
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