Aoi is Japanese and just turned 60 years old, the celebration that his family will have to mark the occasion is referred to as _____

The statement that best describes the role of serotonin in the etiology of depression is that

a. low levels of serotonin are solely responsible. b. low serotonin levels appear to have an impact, but only in relation to other neurotransmitters. c. elevated serotonin levels are solely responsible. d. fluctuating levels of serotonin are the underlying basis for depression.

The firing of an axon is also known as a(n) __________ potential

a. resting b. efferent c. action d. receptive e. afferent