Regarding foreign body aspiration, one of the following statements is not true:

Correct Answer: A

Rationale: A history of aspiration is helpful but not essential for diagnosis. Many cases present without a clear history, and clinical and radiologic evaluation (e.g., bronchoscopy) are required for confirmation.

Correct Answer: C

Rationale: Total anomalous pulmonary venous return can mimic RDS due to similar clinical and radiographic findings. The other conditions have distinct features.

Correct Answer: D

Rationale: Research indicates that approximately 90% of youths who complete suicide have an underlying psychiatric illness, highlighting the critical link between mental health and suicide risk.

Correct Answer: C

Rationale: Total anomalous pulmonary venous return can mimic RDS due to similar clinical and radiographic findings. The other conditions have distinct features.

Correct Answer: D

Rationale: MAS typically occurs in term or post-term infants, not preterm or near-term infants. The other statements are true regarding MAS.