Manju sees a design of a flower on the wallpaper and perceives it as an animal. This is an example of?

Appeared in: JSSH Staff Nurse - 2019

Explanation

An illusion is defined as a misinterpretation or misperception of a real external stimulus.
In the given scenario, the flower design on the wallpaper is the real stimulus.
The patient's perception of this real stimulus as an animal is the misinterpretation.
This directly aligns with the clinical definition of an illusion, differentiating it from other perceptual or thought disorders.

Why Other Options Were Wrong

Option B: A hallucination is a false sensory perception that occurs in the complete absence of an external stimulus. In this case, a stimulus (the flower design) is present.
Option C: A delusion is a disorder of thought content, characterized by a fixed, false belief that is not amenable to reason. The scenario describes a perceptual error, not a belief system.
Option D: An idea of reference is a type of delusion where one believes that unrelated events or objects have a special personal meaning. The scenario is a simple misperception, not an interpretation of personal significance.

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 as background academic context rather than a clinical decision trigger.
Recognizing the difference between illusions, hallucinations, and delusions is a fundamental psychiatric nursing skill crucial for accurate assessment and diagnosis.
For a patient experiencing illusions, a key nursing intervention is environmental modification. Improving lighting, reducing clutter, and removing ambiguous stimuli can decrease the frequency of misperceptions.
What if? If the patient was in alcohol withdrawal (delirium tremens), these illusions (especially visual or tactile) would be a key sign of their deteriorating condition, requiring immediate medical intervention and safety precautions (e.g., one-to-one nursing).

How to Approach the Question

First, identify the core phenomenon in the question stem. The patient 'sees' something ('design of a flower') but 'perceives' it as something else ('an animal').
Next, analyze the key element: is there a real, external stimulus present? Yes, the 'design of a flower' is a real object.
Now, evaluate the options based on this analysis. An illusion is a misinterpretation of a real stimulus.
A hallucination occurs without a real stimulus.
A delusion is a false belief, not a perception.
An idea of reference is a type of delusion.

Concept Tested & Keywords

Concept Tested: Disorders of Perception
Stem keywords: design of a flower, wallpaper, perceives it as an animal
Lead-in keywords: example of

Question ID

Q5MnMKGS2lSG6dFkaWo1da

Reference Book

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, 3250-3252

E6 Guide to Mental Health & PSYCHIATRIC NURSING R Sreevani— Part 1 (pp 26-289 of 579) p. 51-53

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