A nurse is caring for a 4-year-old child who was diagnosed with Prader-Willi syndrome (PWS). Which of the following findings should the nurse recognize as being consistent with this condition?

The child has an excessive appetite and is at risk for obesity.

The child exhibits advanced motor and language skills for their age.

The child demonstrates a high level of energy and requires minimal sleep.

The child has a markedly increased muscle tone and strength.