**Core Concept:**
Mechanical ventilation is a life-saving intervention in neonates with acute respiratory distress syndrome (ARDS), a severe form of lung injury that impairs gas exchange. In ARDS, the primary goal of mechanical ventilation is to prevent alveolar overdistension and lung injury while supporting adequate oxygenation and carbon dioxide elimination.

**Why the Correct Answer is Right:**
The correct answer is **C. 8-10 mL/kg of ideal body weight**. This is an appropriate tidal volume (TV) for neonates with ARDS. Tidal volume refers to the volume of air delivered to the lungs with each breath. In this case, the target tidal volume is calculated as follows:

(8-10 mL/kg of IBW x 6-8 breaths/min)

**Why Each Wrong Option is Incorrect:**

A. **80 mL/kg of actual body weight (ABW)** is incorrect because ABW is greater than IBW in most neonates, leading to excessive tidal volumes that can cause ventilator-induced lung injury (VILI) and worsening of ARDS.

B. **6 mL/kg of IBW** is also incorrect because this volume is too low, leading to inadequate oxygenation and ventilation and worsening the primary condition.

D. **12 mL/kg of ABW** is incorrect due to the same reasons mentioned for option A, as ABW is usually greater than IBW in neonates.

**Clinical Pearl:**
In mechanical ventilation of neonates with ARDS, ensuring an appropriate tidal volume based on IBW (8-10 mL/kg) is crucial to prevent VILI and maintain adequate oxygenation and ventilation. This is essential in improving patient outcomes, reducing complications, and avoiding potential harm associated with excessive or insufficient ventilation.