# A nurse is assessing a 4-year-old child brought to the emergency department by a neighbor who found the child wandering alone at night. Which assessment finding would be the MOST concerning indicator of possible child abuse?

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> subject: Mental Health

## 문제

A nurse is assessing a 4-year-old child brought to the emergency department by a neighbor who found the child wandering alone at night. Which assessment finding would be the MOST concerning indicator of possible child abuse?

## 보기

1. The child demonstrates age-inappropriate sexual knowledge and uses explicit sexual language when describing interactions with adults. **✔ 정답**
2. The child has bruises on both knees and elbows in various stages of healing.
3. The child appears withdrawn and does not make eye contact with healthcare providers.
4. The child reports being hungry and asks for food multiple times during the assessment.

**정답: 1**

## 해설

Age-inappropriate sexual knowledge is a highly specific indicator of sexual abuse requiring immediate intervention. Bruises on knees/elbows are common in active children, while withdrawal or hunger are less specific.

## 심화 해설

Clinical Reasoning and Analysis

In the context of an unaccompanied 4-year-old found wandering at night, the emergency department nurse must systematically differentiate between accidental injury, neglect, and physical or sexual abuse. While all the listed findings warrant further investigation, the presence of age-inappropriate sexual knowledge and explicit sexual language represents the most specific and concerning red flag for child sexual abuse.

The Screening Instrument for Child Abuse and Neglect (SCAN), implemented in emergency departments to combat the declining recognition of child maltreatment, underscores the importance of structured screening for sentinel injuries and behavioral markers. [1] Within this framework, certain indicators carry a higher predictive weight for abuse. Bruises on the knees and elbows (Option 2) are common in active preschoolers and represent accidental trauma over bony prominences unless located in protected areas (e.g., torso, ears, neck). Withdrawal and lack of eye contact (Option 3) can signify emotional neglect, anxiety, or stranger wariness, but are non-specific and may simply reflect the child's fear of a strange environment. Persistent hunger (Option 4) is a significant marker for physical neglect, a form of child maltreatment, but does not carry the immediate forensic and protective urgency of suspected sexual abuse.

Sexualized behavior in a preschool-aged child, specifically the verbalization of explicit sexual acts, is a learned behavior. Normal psychosexual development at age 4 involves curiosity about body parts and gender differences, not the detailed, mechanical knowledge of adult sexual interactions. This finding strongly suggests direct exposure to sexual activity, either through direct victimization or forced observation. In the SCAN screening context, such a disclosure or demonstration of explicit knowledge is a positive screening trigger that necessitates immediate activation of the Structured Tool for Evaluating Positive Screened cases (STEPS) to ensure a multidisciplinary response, forensic examination, and mandatory reporting. [1] The physiological mechanism is not organic disease but the psychological imprint of trauma; the child’s verbalizations reflect a traumatic memory encoding that has disrupted normal developmental schemas.

Therefore, while the nurse must address the child's immediate safety, hunger, and emotional state, the finding of explicit sexual knowledge is the most critical because it indicates a high probability of ongoing sexual abuse requiring immediate protective custody and specialized forensic interviewing to prevent further harm.References (research sources)

- [1]Enhancing implementation and compliance of the Screening Instrument for Child Abuse and Neglect (SCAN) in emergency departments in the Netherlands.Research articlevan den Heuvel EAL, Vries E, de Jong-van Kempen BM, Bakx R, Bos RF, van Empelen P, Hoedeman F, Kappen TH, Russel-Kampschoer IMB, Puiman P, Schouten MCM, Teeuw R, Zwaans CJ, Nijhof SL, van de Putte EM. (2026) · DOI: 10.1136/bmjpo-2025-003362

## 임상 시나리오

Sexualized Behavior in PreschoolersImmediate Forensic Response for Suspected Sexual Abuse
A 4-year-old exhibiting age-inappropriate sexual knowledge or using explicit sexual language is a highly specific behavioral red flag for sexual abuse. This is learned behavior and constitutes a pediatric forensic emergency.

Immediate nursing priorities include ensuring the child's safety, contacting Child Protective Services and law enforcement as mandated by law, and preparing for a specialized forensic interview by a trained professional. Avoid detailed questioning that could compromise the investigation.

CautionDo not dismiss sexualized behavior as normal curiosity. Distinguish from common accidental injuries: bruises over bony prominences (knees, elbows) are typical in active children, whereas bruises on protected areas (torso, ears, neck) are suspicious for physical abuse.

## 핵심 개념

- **Sentinel Injury** — A medically minor but clinically significant injury in a young, pre-mobile infant that often precedes more severe abuse; also used broadly for injuries highly correlated with abuse.
- **SCAN (Screening Instrument for Child Abuse and Neglect)** — A structured screening tool used in emergency departments to improve the recognition of child maltreatment by identifying sentinel injuries and behavioral markers.
- **Age-Inappropriate Sexual Knowledge** — A child's demonstration of explicit understanding of sexual acts or language beyond their developmental stage, considered a strong behavioral indicator of sexual abuse.
- **Physical Neglect** — A form of child maltreatment involving failure to provide for a child's basic needs including food, shelter, supervision, or medical care.
- **Forensic Assessment** — A specialized medical evaluation performed to collect evidence, document findings, and ensure safety in cases of suspected abuse or assault.

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