Quevition 62 An adult client with low-functioning Down syndrome (trisomy 21) appears in the emergency department via ambulance after an accident. Which assessment method would be the best instrument to use when determining this client's level of pain? Asking the dient's parent Using the Wong-Baker FACES Pyin Pating Sat Observing the client's body language Explaining and using the 0 to 10 pain scale Confident Net Suro