After assessing a newly admitted 5-year-old child, the nurse makes the nursing diagnosis of Parental role conflict related to child’s hospitalization. Which defining characteristic would most suggest this diagnosis（）
A. Supportive child-parent interaction (speaking, listening, touching, and eye-to-eye contact).
B. Parents’ active participation in child’s physical or emotional care.
C. Parents’ failure to use available support systems or agencies to assist in coping.
D. Evidence of adaptation to parental role changes.
参考答案：C
解析：
A failure to use available support systems or agencies is one of the defining characteristics of this diagnosis. Supportive child-parent interaction, parents’ active participation in the child’s care, and evidence of adaptation to parental role changes don’t suggest this diagnosis.