BTSC Staff Nurse 30July-2025
Mental Health Nursing
Easy
Dissociative amnesia is most commonly associated with:
Appeared in: BTSC Staff Nurse 30July-2025
Explanation
- Dissociative amnesia is fundamentally a psychological response to overwhelming stress or trauma, where the mind blocks access to distressing memories as a coping mechanism.
- The defining feature is a deficit in autobiographical memory that is not attributable to ordinary forgetting.
- According to psychiatric classifications (DSM-5-TR), the diagnosis requires that the memory loss is not better explained by a medical condition, substance use, or another mental disorder.
- Research confirms a strong link between adverse childhood experiences (ACEs), such as physical and sexual abuse, and the development of dissociative amnesia.
Why Other Options Were Wrong
- Option B: Cognitive decline in old age describes conditions like dementia or other neurocognitive disorders. These involve progressive, organic brain changes and a global decline in cognitive functions, which is a different pathology from the specific, psychogenic memory loss in dissociative amnesia.
- Option C: Biological brain abnormalities, such as a head injury, stroke, or tumor, cause organic amnesia. Dissociative amnesia is classified as a functional or psychogenic disorder, meaning it occurs in the absence of such direct physical damage to the brain.
- Option D: The memory loss in dissociative amnesia is far more severe, specific, and distressing than normal forgetfulness. It involves an inability to recall important personal information that would not typically be forgotten (e.g., one's identity, significant life events).
Related Visual
Clinical Relevance
- Nursing practice connection: This is primarily an exam-oriented knowledge point with limited direct bedside application, so retain Etiology and characteristics of Dissociative Amnesia as background academic context rather than a clinical decision trigger.
- A primary nursing responsibility for a patient with dissociative amnesia is to ensure their physical and psychological safety, as they may be disoriented, confused, or at risk of wandering (dissociative fugue).
- Nurses should create a safe, low-stress, and supportive therapeutic environment. Forcing the patient to recall memories can be counterproductive and increase anxiety; memories often return spontaneously as the patient feels secure.
- What if? If a patient presenting with amnesia also has a recent history of a fall, the immediate nursing priority shifts. The nurse must advocate for a thorough neurological workup (including imaging like a CT scan) to rule out an organic cause, such as a subdural hematoma, before concluding the amnesia is purely dissociative.
How to Approach the Question
- First, identify the core concept of the question, which is 'dissociative amnesia'.
- Recall the definition of 'dissociative' in a psychiatric context. It refers to a disconnection between thoughts, identity, consciousness, and memory, often as a response to trauma.
- Analyze the options based on this understanding. The term 'dissociative' itself points away from organic or normal causes.
- Evaluate Option A: 'traumatic or stressful experiences'. This aligns perfectly with the psychogenic origin of dissociative disorders.
- Evaluate the other options: 'cognitive decline' (dementia), 'brain abnormalities' (organic amnesia), and 'normal forgetfulness' are all distinct from a trauma-induced psychological condition.
- Conclude that the strongest and most direct association is with trauma, making it the correct answer.
Concept Tested & Keywords
- Concept Tested: Etiology and characteristics of Dissociative Amnesia
- Stem keywords: Dissociative amnesia, most commonly associated with
- Lead-in keywords: most commonly associated with
Question ID
Q0chwStUccbzdKY9hUe7a_
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. 6407-6409, 6217-6219
Practise the full BTSC Staff Nurse 30July-2025
Attempt every question from this paper in a timed mock, then review the full solution for each one.
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