ANSWER 1

1. True. Anteroposterior and lateral views only required.1

2. True. 14% of the same age group will have pseudosubluxation at C3/C4. Other normal variants include absence of lordosis, epiphyseal variations, unfused synchondroses and incomplete ossification.2

3. True. Thirty of 19 538 (0.15%) children from the TARN database had SCIWORA representing nearly a third of those with spinal cord injury.3

4. False. 1600 ml. …