UPUMS Nsg.Officer-2024
Mental Health Nursing
Easy
A person, seeing a rope, takes it to be a snake. This condition is called?
Appeared in: UPUMS Nsg.Officer-2024
Explanation
- An illusion is defined as a misperception or misinterpretation of a real external stimulus.
- The scenario provides a classic example: a real object (the rope) is present but is incorrectly perceived as something else (a snake).
- This phenomenon can occur in healthy individuals, often triggered by factors like fear, fatigue, or poor lighting, which alter sensory interpretation.
Why Other Options Were Wrong
- Option A: A hallucination is a perception without an external stimulus. In this case, a stimulus (the rope) is clearly present.
- Option C: Delirium is a broad syndrome of acute confusion, inattention, and cognitive decline. The question describes a single, specific perceptual error, not a global state of confusion.
- Option D: De-realization is a feeling that one's environment is unreal or strange. It's a general sense of distortion, not a specific misidentification of one object for another.
Related Visual
Clinical Relevance
- Nursing practice connection: This is primarily an exam-oriented knowledge point with limited direct bedside application, so retain Disorders of Perception: Differentiating Illusion from Hallucination as background academic context rather than a clinical decision trigger.
- Distinguishing between illusions and hallucinations is a fundamental skill in psychiatric assessment, as it helps differentiate between normal experiences, neurosis, and psychosis.
- While illusions can be benign, frequent or bizarre illusions may indicate an underlying issue like delirium, intoxication, or high levels of anxiety that require nursing assessment.
- What if? If the question stated the person heard a voice calling their name in an empty house, the answer would be 'Hallucination' (specifically, an auditory hallucination), which has a higher clinical significance and warrants investigation for psychosis or organic causes.
How to Approach the Question
- First, identify the core elements of the scenario: there is a real object ('a rope') and a misinterpretation of that object ('takes it to be a snake').
- The key question to ask is: 'Is there a real, external stimulus present?' In this case, yes, the rope.
- Recall the definitions of the options. An illusion is a misinterpretation of a real stimulus.
- A hallucination is a perception without a real stimulus.
- Since a real stimulus is being misinterpreted, the correct term is 'Illusion'.
- Eliminate other options: Delirium is a wider syndrome, and De-realization is a feeling of unreality, not a specific object misidentification.
Concept Tested & Keywords
- Concept Tested: Disorders of Perception: Differentiating Illusion from Hallucination
- Stem keywords: seeing a rope, takes it to be a snake, perception
- Lead-in keywords: is called
- Clinical cues: The presence of a real object (rope) that is misinterpreted is the key clinical cue.
Question ID
Qa37I_5JllhISjnd2wGTv1
Reference Book
E6 Guide to Mental Health & PSYCHIATRIC NURSING R Sreevani— Part 1 (pp 26-289 of 579) p. 51-53
E6 Robert Boland, Marcia L. Verduin - Kaplan and Sadock's Comprehensive Text of Psychiatry-Wolters Kluwer Health (2024) (pp 1-16525 of 16525) pp. 3815-3817, 3251-3253
Practise the full UPUMS Nsg.Officer-2024
Attempt every question from this paper in a timed mock, then review the full solution for each one.
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