I think I would recommend not letting him play. Possibly call 911, or bring him to a hospital.
Answer:
The review of the literature can be curtailed when: A. You are no longer encountering new ideas or information. All of the work done by top researchers in the area has been reviewed.
Explanation:
How many centers are required in a preschool classroom 4
Shaken baby syndrome:
A trigger can be internal (fatigue, frustration, anger, desire)
Or external (when the baby cries)