Thousands of fatal drug overdoses occur each year due to drug interactions of legally or illegally obtained drugs. This pattern of abuse is called abuse

Pavlov paired the sound of a metronome with food. This technique produced learning-that is, a change in the

a. animal's environment.
b. animal's behavior.
c. environmental guidance of behavior.
d. animal's characteristics.
e . brain processes that underlie behavior.

The process of cutting a hole in the skull to provide a pathway for demons to leave a possessed person's body is called _______.

a. exorcism b. trephination c. spiritual incision d. expurgating