Which clinical sign is associated with diabetes insipidus?
Bradycardia
Oliguria
Hypotension
Hypertension
The Correct Answer is C
Reasoning:
Choice A reason: Bradycardia, or slow heart rate, is not typically associated with diabetes insipidus. The condition causes dehydration due to excessive water loss, leading to hypovolemia, which typically increases heart rate (tachycardia) to compensate for reduced blood volume, not slowing it, making bradycardia an unlikely sign.
Choice B reason: Oliguria, or low urine output, is not a feature of diabetes insipidus. The condition results from ADH deficiency, causing the kidneys to produce large volumes of dilute urine (polyuria). Oliguria is more common in conditions like acute kidney injury or dehydration from other causes.
Choice C reason: Hypotension is a clinical sign of diabetes insipidus due to significant water loss from polyuria, leading to hypovolemia. Reduced blood volume decreases blood pressure, as the cardiovascular system struggles to maintain adequate perfusion, making hypotension a common finding in severe or untreated cases.
Choice D reason: Hypertension is not typically associated with diabetes insipidus. The condition leads to dehydration and hypovolemia, which lower blood pressure. Hypertension might occur in conditions like SIADH, where water retention increases blood volume, but this is opposite to the pathophysiology of diabetes insipidus.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["A","B","E"]
Explanation
Reasoning:
Choice A reason: Neurologic function must be monitored in SIADH, as excessive water retention causes hyponatremia, which can lead to cerebral edema, seizures, or altered mental status. Tricyclic antidepressants may exacerbate SIADH by stimulating ADH release, making neurologic assessment critical to detect complications like confusion or seizures early.
Choice B reason: Strict intake and output monitoring is essential in SIADH to manage fluid overload. Excessive ADH causes water retention, and tracking fluid balance helps guide fluid restriction therapy to correct hyponatremia. This ensures the nurse can assess the effectiveness of interventions and prevent worsening fluid accumulation.
Choice C reason: Liver function tests are not directly relevant to SIADH management. While tricyclic antidepressants can affect liver function, SIADH primarily involves water retention and hyponatremia, not hepatic issues. Monitoring liver function is more relevant for drug toxicity, not the fluid and electrolyte imbalances of SIADH.
Choice D reason: Signs of dehydration are not a concern in SIADH, which causes water retention and fluid overload. Dehydration is more typical of diabetes insipidus, where water loss occurs. In SIADH, the focus is on preventing excessive fluid accumulation, making dehydration monitoring unnecessary in this context.
Choice E reason: Urine and blood chemistry, including sodium and osmolality, are critical in SIADH to monitor hyponatremia and fluid status. Elevated urine osmolality and low serum sodium indicate ongoing ADH excess. Regular monitoring guides fluid restriction and therapy to correct electrolyte imbalances and prevent complications like cerebral edema.
Correct Answer is D
Explanation
Reasoning:
Choice A reason: Antihypertensive treatment is not the priority for epidural hematoma, which causes rapid neurological deterioration from arterial bleeding and increased ICP. While hypertension may occur, surgical evacuation via burr holes is urgent to relieve pressure and prevent brain herniation, taking precedence over blood pressure management.
Choice B reason: Anticoagulant therapy is contraindicated in epidural hematoma, as it worsens bleeding. Epidural hematomas involve arterial hemorrhage, often from trauma, and anticoagulation would increase hematoma size, exacerbating ICP and neurological damage, making this an inappropriate and harmful intervention.
Choice C reason: Inserting an intracranial monitoring device may assess ICP but is not the priority in epidural hematoma. Rapid surgical intervention (burr holes) is needed to evacuate the hematoma and relieve life-threatening pressure, as monitoring delays critical treatment in this rapidly progressing condition.
Choice D reason: Burr holes are the priority intervention for epidural hematoma, a surgical emergency caused by arterial bleeding, often from skull trauma. Rapid evacuation of the hematoma relieves increased ICP, preventing brain herniation and death, making this the most urgent and effective treatment to stabilize the client.
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