Which of the following is a problem with the long-term use of benzodiazepines to treat insomnia?

Which of the following statements accurately describes cross-cultural studies of gender?

A) Gender is universally divided between the mutually exclusive categories of "male" and "female" in cultures around the world. B) Although "male" and "female" categories are the most common, many societies contain words for a third gender or third sex. C) Only Western cultures contain the rigidly defined, opposite categories of "male" and "female." D) Most societies place little emphasis on defining differences between males and females.

In the human brain, the cerebrum

a. constitutes a larger percentage of the brain than in any other organism. b. controls autonomic nervous system functions such as heart rate and respiration. c. controls balance, motor behavior, and coordinated eye movements. d. constitutes a smaller percentage of the brain than in any other organism.