When I retire I plan to continue teaching one class per semester and spend the rest of my time doing whatever I please. Dychtwald would classify me as which type of retiree?

Suppose you observe two children, sitting together and occasionally looking at each other, but not really interacting. Each is playing with her own toy. This type of play is called:

a. symbolic play b. parallel play c. oppositional play d. independent play

Hydrocephalus results from the

A) production of too much CSF. B) production of excessively watery CSF. C) production of water rather than CSF. D) breakdown of the mechanism that absorbs CSF into the lateral vesicles. E) none of the above