The most common cause of pleural effusion in children is:

Correct Answer: C

Rationale: Infections, particularly bacterial pneumonia, are the leading cause of pleural effusion in children.

Correct Answer: A

Rationale: Cataracts are not part of the CHARGE syndrome (Coloboma, Heart defects, Atresia choanae, Retardation, Genitourinary anomalies, Ear anomalies).

Correct Answer: D

Rationale: All listed options contribute to noncompliance. Misunderstanding, language barriers, unanswered questions, contrary advice, or reservations about the diagnosis can lead patients or caregivers to resist adherence.

Correct Answer: A

Rationale: Diabetic mothers are more prone to polyhydramnios (excess amniotic fluid) rather than oligohydramnios (low amniotic fluid). Preeclampsia, pyelonephritis, and preterm labor are commonly associated with diabetes in pregnancy.

Correct Answer: C

Rationale: For trauma patients, the jaw thrust (not chin lift) is the preferred airway maneuver to avoid cervical spine movement and further injury.