Which of the following statements about anoxia is true?
◦ After initial brain injury from anoxia, another phase of cell death can occur several weeks later.
◦ Whole-body cooling involves immersing an anoxic newborn in freezing water.
◦ The effects of mild or even moderate anoxia rarely persist beyond infancy.
◦ When development is severely impaired, the anoxia was probably extreme.