Older adults sometimes suffer from a condition that makes their bones more hollow and more brittle and may lead to a bent or stooped posture. This condition is called:

In which psychosexual stage do children derive pleasure from fondling their genitals?

a) anal b) latency c) genital d) phallic

Recent research indicates that disorders such as autism, schizophrenia, and attention deficit disorder all may be associated with dysfunction in the ______

a. cerebellum b. medulla c. pons d. midbrain