A 2-hour-old newborn admitted to neonatal care unit with respiratory distress, heart sounds heard mainly on the right side, and scaphoid abdomen; Oâ‚‚ saturation at room air 68%; chest radiograph was orderd. Of the following, the BEST way of Oâ‚‚ administration is by

Correct Answer: D

Rationale: Dextrocardia and scaphoid abdomen suggest congenital diaphragmatic hernia (CDH), requiring endotracheal intubation (E) for ventilation support due to severe distress (SpOâ‚‚ 68%), beyond CPAP (A) or simpler methods (B, C, D).

Correct Answer: D

Rationale: Cataracts (E) are the most common feature of congenital rubella syndrome, part of the classic triad (cataracts, heart defects, deafness), per neonatal literature.

Correct Answer: D

Rationale: CMV features include deafness (A), microcephaly (B), chorioretinitis (C), and rash (D). Diffuse cortical calcifications (E) are more typical of toxoplasmosis, not CMV’s periventricular pattern.

Correct Answer: D

Rationale: Interstitial keratitis (D) is a late congenital syphilis sign, emerging years later, unlike early features (A, B, C, E).

Correct Answer: B

Rationale: High-dose penicillin (B) is optimal for GBS meningitis, penetrating CSF effectively, per neonatal protocols.