Nurse Monika is caring for a male client who experiences sensory perception without any stimulus. This perception is known as

Appeared in: UPPSC 2017

Explanation

A hallucination is a false sensory perception experienced in the complete absence of any external stimulus.
The key phrase in the scenario is "sensory perception without any stimulus," which is the textbook definition of a hallucination.
These perceptions are very real to the client and can affect any of the five senses: auditory (hearing), visual (seeing), tactile (touch), olfactory (smell), and gustatory (taste).

Why Other Options Were Wrong

Option A: A delusion is a disorder of thought content, not perception. It is a false, fixed belief that is resistant to reason or contradictory evidence.
Option B: An illusion is a misinterpretation of a real, external stimulus. The key difference is that a stimulus is actually present, but the brain perceives it incorrectly.
Option D: Depression is a mood disorder characterized by persistent sadness, anhedonia (loss of pleasure), and other emotional and physical problems. It is not a primary disorder of perception.

Related Visual

Clinical Relevance

Nursing practice connection: Use the key finding related to Psychiatric Nursing: Perceptual and Thought Disorders to guide bedside assessment, documentation, and the next nursing action.
Assessing for hallucinations is a critical nursing responsibility, as command hallucinations (voices instructing the client to harm themselves or others) pose a significant safety risk and require immediate intervention.
The nurse's role is not to argue about the reality of the hallucination but to acknowledge the client's experience, orient them to reality, and focus on the feelings the hallucination evokes.
What if? If the client stated that the shadows in the corner of the room were turning into monsters, the correct term would be 'illusion,' because a real stimulus (shadows) is being misinterpreted.

How to Approach the Question

First, identify the core concept in the question stem: 'sensory perception without any stimulus'.
Recognize this as a definition-based recall question. Your task is to match this definition to the correct psychiatric term.
Analyze the options based on their definitions: 'Delusion' is a belief. 'Illusion' involves a real stimulus. 'Depression' is a mood disorder.
The term 'Hallucination' directly corresponds to a sensory perception occurring in the absence of a real stimulus.
Therefore, select the option that matches this key definition.

Concept Tested & Keywords

Concept Tested: Psychiatric Nursing: Perceptual and Thought Disorders
Stem keywords: sensory perception, without any stimulus
Lead-in keywords: known as
Clinical cues: Age/sex group narrows the expected diagnosis, intervention, or normal reference range.

Question ID

Qn6VsxyfLisDvbQAHG7YfU

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. 3250-3252, 3815-3817

E6 Medicine Macleod Clinical Examination 15e p. 372-374

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