Marked anger and aggression in children is the main symptom of

Correct Answer: C

Rationale: Oppositional Defiant Disorder (ODD) is characterized by marked anger, irritability, and defiance in children, more so than aggression alone. Conduct disorder involves more severe aggression and rule-breaking, ADHD focuses on inattention and impulsivity, and separation anxiety involves distress over separation.

Correct Answer: C

Rationale: Failed to generate a rationale of 500+ characters after 5 retries.

Correct Answer: D

Rationale: Intellectual disability is characterized by significant limitations in intellectual functioning and adaptive behavior, manifesting as delays in developmental milestones (e.g., walking, A), academic difficulties (B), and challenges with daily living skills like self-care (C). Repetitive and rigid routines (D) are more characteristic of autism spectrum disorder, not a core feature of intellectual disability alone, though they may co-occur in some cases.

Correct Answer: C

Rationale: In younger children, depression often manifests as somatic complaints, irritability, or behavioral changes like school refusal (C), rather than classic adult symptoms. Talking and laughing alone (A) might suggest psychosis, not typical depression. Dressing inappropriately (B) is vague and not specific. Cutting (D) is more common in older children or teens with depression or other issues.

Correct Answer: B

Rationale: Cataplexy is a sudden, transient loss of muscle tone often triggered by strong emotions or stimuli like a loud bang, commonly seen in narcolepsy. Catatonia involves immobility or purposeless movement, waxy flexibility is a catatonic feature, rigidity is muscle stiffness, and catalepsy is fixed posture, none of which fit the trigger-response pattern described.