Correct Answer: B,C,E

Rationale: B: A snug-fitting mattress in the crib is crucial to prevent the child from getting trapped or suffocated. C: Tying plastic bags in knots helps prevent a child from suffocating or choking if they play with discarded bags. E: Serving food in small, non-circular pieces reduces the risk of choking, which is vital for a 10-month-old who is learning to eat solid foods.

Correct Answer: A

Rationale: Demonstrating the procedure on a doll is an age-appropriate way to help a preschooler understand what to expect in a concrete and less threatening manner.

Correct Answer: B,C,D,F

Rationale: B: Showing interest in food when others are eating is a sign of readiness for solid foods, indicating curiosity and a desire to try new foods. C: Doubling birth weight is a milestone often associated with physical readiness to begin solid foods. D: Losing the tongue-thrust reflex, which pushes food out of the mouth, is an important sign of readiness for solid foods. F: Being able to sit up with minimal support indicates the infant can maintain a stable position for eating.

Correct Answer: D

Rationale: Allowing the child to role-play with medical equipment helps reduce anxiety, makes the experience more familiar, and increases cooperation during the assessment.

Correct Answer: C

Rationale: The toddler stage is characterized by negative behaviors as children assert their autonomy, often expressing frustration through tantrums or defiance.