NIMHANS Nursing Officer - 2021
Medical & Surgical Nursing
Easy
Narcolepsy is defined as?
Appeared in: NIMHANS Nursing Officer - 2021
Explanation
- Narcolepsy is a neurological syndrome, not a single symptom. Its definition includes a collection of characteristic features.
- The core symptoms include excessive daytime sleepiness (EDS), which is a persistent urge to sleep during the day.
- It also includes sleep attacks, which are sudden, irresistible episodes of sleep.
- Another key symptom is cataplexy, a sudden loss of muscle tone often triggered by strong emotions like laughter. The option 'Loss of muscle tone after' is a description of this.
- Because the other options are all individual, correct components of the definition of narcolepsy, 'All of the above' is the most complete answer.
Why Other Options Were Wrong
- Option A: This describes cataplexy, which is a key symptom of Type 1 Narcolepsy, but it is not the complete definition of the disorder. Narcolepsy includes other essential symptoms.
- Option B: Excessive daytime sleepiness (EDS) is the most common and primary symptom of narcolepsy, but it is not the sole defining feature. Other conditions can also cause EDS.
- Option C: Sleep attacks are a characteristic feature of narcolepsy, but like the other options, they represent only one part of the clinical picture and not the full definition.
Related Visual
Clinical Relevance
- Nursing practice connection: This is primarily an exam-oriented knowledge point with limited direct bedside application, so retain Definition and core symptoms of narcolepsy as background academic context rather than a clinical decision trigger.
- The primary nursing concern for patients with narcolepsy is safety. The risk of falls during a cataplexy attack or accidents while driving or operating machinery due to a sudden sleep attack is significant.
- Patient education is crucial. Nurses should teach patients about lifestyle modifications, such as scheduling short naps, maintaining a regular sleep-wake cycle, and avoiding triggers for cataplexy.
- What if? If a patient presents with severe daytime sleepiness but denies any muscle weakness with laughter or strong emotions, the diagnosis is less likely to be Narcolepsy Type 1. The focus would shift to investigating Narcolepsy Type 2 or other disorders like Idiopathic Hypersomnia, which requires different diagnostic confirmation (e.g., normal hypocretin levels in cerebrospinal fluid).
How to Approach the Question
- First, identify the question type. This is a 'definition' question, which asks for the complete and accurate description of a medical term.
- Analyze the options provided. Notice that options A, B, and C each describe a single, specific symptom.
- Consider option D, 'All of the above'. This option is often correct in 'definition' questions when the condition is a syndrome composed of multiple signs and symptoms.
- Recall the classic features of narcolepsy. Remember that it's characterized by excessive daytime sleepiness, cataplexy (loss of muscle tone), and sleep attacks.
- Since options A, B, and C are all correct components of the narcolepsy syndrome, the most comprehensive and accurate definition is 'All of the above'.
Concept Tested & Keywords
- Concept Tested: Definition and core symptoms of narcolepsy
- Stem keywords: Narcolepsy, defined as
- Lead-in keywords: BEST, MOST RELEVANT CLUE
- Negative lead-in flag: false
Question ID
QJYUIbA2WSTTeWfsxnUzXd
Reference Book
E6 Nelson Textbook of Pediatrics(2024) — Volume 1 pp. 256-258, 255-257
E6 Robert Boland, Marcia L. Verduin - Kaplan and Sadock's Comprehensive Text of Psychiatry-Wolters Kluwer Health (2024) (pp 1-16525 of 16525) p. 6985-6987
Practise the full NIMHANS Nursing Officer - 2021
Attempt every question from this paper in a timed mock, then review the full solution for each one.
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