Introduction to psychology

After successfully running from the large, snarling, drooling grizzly bear that was running directly toward you, you pause to catch your breath and collect your wits. The physical symptoms you now experience are controlled by the

	sympathetic nervous system
	parasympathetic nervous system
	central nervous system
	neurotransmitter acetylcholine

	synapse.
	soma.
	neurilemma.
	production of ion potentials.

	jumps the synapse similar to the way a spark jumps the gap in a sparkplug.
	causes the axon terminal to squirt out a chemical toward the next neuron.
	causes the axon terminal to expand and touch a receptor site.
	bursts open a gap in the wall of the next neuron's dendrite.