A child with craniopharyngioma is being monitored for complications. What is the most appropriate nursing act… - NORCET 10 Prelims-2026

NORCET 10 Prelims-2026

Medical Surgical Nursing

Hard

Appeared in: NORCET 10 Prelims-2026

Explanation

Craniopharyngiomas are tumors located near the pituitary gland and hypothalamus, which are vital for hormone regulation.
A common and serious complication is Diabetes Insipidus (DI), caused by a deficiency in Antidiuretic Hormone (ADH) production or release.
Without ADH, the kidneys fail to reabsorb water, leading to the excretion of large volumes of dilute urine (polyuria).
Checking the urine specific gravity is the most direct and earliest method to assess the kidney's concentrating ability. A low specific gravity (e.g., less than 1.005) is a hallmark sign of DI.

Option A: Measuring abdominal girth is incorrect because it assesses for abdominal fluid accumulation (ascites) or organ enlargement, which are not primary complications associated with a craniopharyngioma.
Option B: Measuring head circumference is primarily used to monitor for increased intracranial pressure (ICP) in infants with open fontanels (soft spots). In an older child whose skull sutures have fused, it is not a reliable indicator of ICP.
Option C: While monitoring blood pressure is a standard part of care, it is not the most specific or earliest indicator of Diabetes Insipidus. Hypotension (low blood pressure) is a late sign of severe dehydration from DI.

Visual 1: Anatomical Diagram - A sagittal view of the brain showing the location of a craniopharyngioma pressing on the pituitary gland and hypothalamus. This helps visualize why hormonal function is disrupted.
Visual 2: Flowchart - A flowchart illustrating the pathophysiology of Diabetes Insipidus: Craniopharyngioma -> Decreased ADH -> Decreased renal water reabsorption -> Polyuria & Polydipsia -> Low Urine Specific Gravity & High Serum Sodium.

Clinical Relevance

Nursing practice connection: Use the key finding related to Nursing assessment for complications of craniopharyngioma to guide bedside assessment, documentation, and the next nursing action.
Early detection of Diabetes Insipidus is a critical nursing responsibility in patients with craniopharyngioma to prevent life-threatening dehydration, hypernatremia, and hypovolemic shock.
Nurses must meticulously monitor fluid balance by tracking hourly urine output, specific gravity, daily weights, and serum electrolytes, especially in the postoperative period.
What if? If the child suddenly developed a severe headache, decreased level of consciousness, and bradycardia, the priority nursing action would shift to assessing for and managing increased intracranial pressure (ICP), as these are signs of acute neurological compromise.

How to Approach the Question

First, identify the key diagnosis in the question: a child with a craniopharyngioma.
Recall the anatomical location of this type of tumor, which is near the pituitary gland and hypothalamus.
Connect this location to its physiological function. The pituitary-hypothalamic axis is the master control center for the endocrine system, including the regulation of fluid balance via Antidiuretic Hormone (ADH).
Anticipate the most likely complications based on this anatomical disruption. A deficiency in ADH leads to Diabetes Insipidus (DI).
Evaluate each option to determine which one is the best assessment for DI.
Recognize that DI is characterized by the excretion of large amounts of dilute urine. Therefore, checking urine specific gravity is the most direct and earliest way to detect this complication.

Concept Tested & Keywords

Concept Tested: Nursing assessment for complications of craniopharyngioma.
Stem keywords: child, craniopharyngioma, complications, nursing action
Lead-in keywords: most appropriate
Clinical cues: The diagnosis of craniopharyngioma is a major cue, as its location near the pituitary gland and hypothalamus points directly to potential endocrine complications, particularly those affecting fluid balance.

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