Test Feeding of underweight children

QUESTION 1: WHICH OF THE FOLLOWING STATEMENTS DO YOU CONSIDER TO BE CORRECT?

If there is any doubt that our child is underweight, we must do everything we can to get him/her to eat more
If there is any doubt that our child is underweight, we should go immediately to the pediatrician

Breastfeeding on demand
The introduction at six months of complementary feeding
Stop offering the breast to the newborn when he/she demands it in the early morning hours
Regular moderate physical exercise

Get them to eat by offering rewards
Consult the child to choose the menu he/she prefers
Filling the dish too much
Serve food together with the rest of the family and without the presence of TV or other screens to entertain them