Cassie lives in the Appalachian Mountains in a poor, rural community. She does not eat a balanced diet and sometimes goes hungry. She does not go to the doctor regularly. At what age might we expect her menarche to begin?

Alois Alzheimer first discovered the disease named after him through

a. psychoanalysis. b. conversations with Sigmund Freud. c. the meta-analysis of published papers. d. a microscopic postmortem examination of his patient's brain.

The __________ is controlled directly by the hypothalamus and, through the release of hormones, serves to activate all of the other glands in the endocrine system

a) thyroid gland b) thymus gland c) pituitary gland d) parathyroid gland