The process by which a neuron is depolarized in a surge running down the length of an axon is called a(n)______ potential

Which of the following neurotransmitters appears to contribute to bulimia nervosa?

a) acetylcholine b) dopamine c) serotonin d) glutamate

The Macintosh computer is "user friendly" because

(a) most of the information needed to use it is in the environment (b) the users' and designers' conceptual models are close together (c) the control information is meaningful rather than arbitrary (d) all of these (e) none of these