Lewy bodies are abnormal clumps of protein found in both patients with Parkinson's disease and patients with depression.

Which of the following statements is true regarding the prognosis for bipolar disorder?

A. Relapse is almost assured even when treatment recommendations are followed. B. Prognosis is worse when multiple episodes have occurred or when the rapid cycling specifier applies. C. Prognosis is worse when the person has a co-occurring substance use disorder. D. All of the above.

A child bumps his hand into an elephant toy and it squeaks. The child then tries to bump the toy again and again in different ways to get it to squeak more, such as slamming it against a table and sitting on it. This is an example of:

a. a primary circular reaction b. a secondary circular reaction c. a tertiary circular reaction d. egocentric play