What makes nitric oxide unique among neurotransmitters?

a. It is released before the action potential occurs.
b. It is taken back up into the presynaptic neuron.
c. It is a gas

What is the lifetime prevalence of generalized anxiety disorder in the adult population?

a. 7% b. 5.7% c. 27% d. 10.7%

According to the chapter I'm Warning You, what was the scenario and independent variable for the

second experiment? (a) a confederate either did or did not model the desired behavior, and the desired behavior was a high cost for the participants (b) no confederate was present, the desired behavior was either a high cost or a low cost for the participants (c) a confederate modeled the undesired or desired behavior, and the desired behavior was a low cost for the participants (d) a confederate either did or did not model the desired behavior, and the desired behavior was a low cost for the participants