What kind of animals did Ivan Pavlov use to demonstrate the principles of classical conditioning?

A person who would like to make his or her wishes known regarding the extent to which "heroic measures" should be taken to maintain his or her life in the event of irreversible illness or injury should:

a. make arrangements for hospice care b. contact a medical doctor to enter a "assisted suicide pact" c. hire an attorney to draw up a living will d. make arrangements for palliative care

Side effects of the newer sleep medications, such as Ambien and Lunesta, include all of the following EXCEPT for

a. amnesia and impaired judgment. b. depression, increased appetite, and decreased sex drive. c. sleepwalking and rebound insomnia. d. sleep apnea and restless legs.