Final answer:
Option 2: "I'll offer my child a clear fluid diet, including broth and gelatin, for the next 24 hours."
Step-by-step explanation:
The correct statement indicating an understanding of the teaching is Option 2: "I'll offer my child a clear fluid diet, including broth and gelatin, for the next 24 hours."
When a child has dehydration due to acute diarrhea, the recommended treatment is to provide oral rehydration solution (ORS) to replace the lost fluids and electrolytes. In the case of an 18-month-old toddler, a clear fluid diet that includes broth and gelatin is appropriate for the next 24 hours. This helps to prevent further dehydration and promote recovery.