NORCET 1 - 2020
Child Health Nursing (Pediatrics)
Easy
Which of the following is not an autoimmune disorder in a child?
Appeared in: NORCET 1 - 2020
Explanation
- Diabetes insipidus is the correct answer as it is an endocrine disorder, not an autoimmune condition.
- Its pathophysiology involves a deficiency of or resistance to Antidiuretic Hormone (ADH), leading to impaired water reabsorption by the kidneys.
- Unlike autoimmune diseases, it does not involve the immune system attacking the body's own tissues. Key symptoms are polyuria and polydipsia with normal blood glucose levels.
Why Other Options Were Wrong
- Option A: Type 1 Diabetes Mellitus is a well-established autoimmune disease, particularly common in childhood. The immune system attacks and destroys the insulin-producing beta cells in the pancreas.
- Option B: Systemic Lupus Erythematosus (SLE) is a classic, multisystem autoimmune disease where the immune system produces autoantibodies that attack the body's own cells and tissues, causing widespread inflammation.
- Option C: This term most closely relates to Juvenile Idiopathic Arthritis (JIA) in children, which is an autoimmune disorder causing chronic joint inflammation, pain, and swelling.
Related Visual
Clinical Relevance
- Nursing practice connection: This is primarily an exam-oriented knowledge point with limited direct bedside application, so retain Differentiating autoimmune disorders from other types of diseases in pediatric patients as background academic context rather than a clinical decision trigger.
- Nurses must differentiate between Diabetes Mellitus and Diabetes Insipidus in children presenting with polyuria and polydipsia. The initial diagnostic test is different: a blood glucose test for DM versus a water deprivation test or ADH level for DI.
- Understanding the underlying cause (autoimmune vs. hormonal) is critical for patient education and management. Autoimmune diseases may require immunosuppressants, whereas central DI requires hormone replacement therapy (desmopressin).
- What if? If a child with polyuria also presents with weight loss and fruity-smelling breath, the priority shifts immediately to suspecting Diabetic Ketoacidosis (DKA), a life-threatening complication of Type 1 Diabetes Mellitus, requiring urgent intervention.
How to Approach the Question
- First, identify the negative keyword 'not' in the question stem. This means you are looking for the exception among the options.
- The core concept is 'autoimmune disorder'. Define this in your mind: a condition where the immune system attacks the body's own tissues.
- Evaluate each option against this definition.
- A) Diabetes mellitus (Type 1): Yes, this is an autoimmune attack on the pancreas.
- B) Lupus erythematosus: Yes, this is a systemic autoimmune disease.
- C) Rheumatic arthritis (JIA): Yes, this is an autoimmune attack on the joints.
Concept Tested & Keywords
- Concept Tested: Differentiating autoimmune disorders from other types of diseases in pediatric patients.
- Stem keywords: autoimmune disorder, child, not
- Lead-in keywords: not
- Clinical cues: Age/sex group narrows the expected diagnosis, intervention, or normal reference range.
- Negative lead-in flag: The question asks to identify the condition that is NOT an autoimmune disorder.
Question ID
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Reference Book
E6 Ghai Essential Pediatrics(pp 26-904 of 913) pp. 654-656, 656-658
Practise the full NORCET 1 - 2020
Attempt every question from this paper in a timed mock, then review the full solution for each one.
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