____ has five stages. 

What are codes that do not contain all necessary digits called?

A) category codes B) section codes C) truncated codes D) valid codes

At the scene of an MVC, you must remove an injured child from his car seat and provide full spine motion restriction precautions prior to transport to the hospital. Which statement made by the lead EMT indicates that this procedure is being performed correctly?

A) "Let's carefully lift the baby from the car seat, while manually holding her neck, and place her on the long board." B) "As we place the patient on the long board, we will need to insert a towel under her neck to prevent flexion of the head." C) "Before we slide her feet-first from the car seat onto the long board, we will need to apply an infant cervical collar." D) "To get her on the long board, let's tilt the car seat backward, and carefully slide her out head-first."