A nurse is providing teaching to the parent of an infant about car seat safety. Which of the following statements by the parent indicate an understanding of the teaching?

Choice A rationale Placing the shoulder harness straps above the level of the baby's shoulders is an incorrect and unsafe practice. The shoulder harnesses should be positioned at or below the shoulders for a rear-facing car seat. This placement ensures that in a crash, the force is distributed across the strong parts of the baby's body and that the child is properly restrained, preventing ejection and minimizing head injury. Choice B rationale The American Academy of Pediatrics (AAP) and other safety organizations recommend keeping children in a rear-facing car seat for as long as possible, typically until they reach the maximum weight or height limit for the seat, which can be up to 2 years of age or even longer. This position provides superior protection for the child's head, neck, and spine in a frontal crash by distributing forces over the entire back. Choice C rationale The retainer clip (also called the chest clip) is designed to be placed at the level of the armpits, not the abdomen. Its purpose is to keep the shoulder harness straps properly positioned on the child's chest. Placing it over the abdomen is dangerous because the force of a crash could cause internal injuries to the child's soft abdominal organs. This is a critical safety guideline. Choice D rationale A 30-degree angle is too upright for a car seat and is considered unsafe. The correct angle for a rear-facing infant car seat is typically between 45 and 45 degrees. A steeper angle could cause the infant's head to fall forward, obstructing their airway. The specific angle may vary slightly depending on the car seat model, but 30 degrees is generally too vertical.