Parasympathetic Postganglionic Fibers

question 109

Multiple Choice

Parasympathetic postganglionic fibers

• A)arise from the ganglion chain located along either side of the spinal cord
• B)are cholinergic
• C)secrete a chemical messenger that binds to muscarinic receptors
• D)have characteristics a and b
• E)have characteristics b and c

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Definitions:

Specific Nerve Energies

The theory that different sensory nerves convey specific sensations to the brain.

Sensory Receptor

A specialized neuron that detects a specific type of stimulus and converts it into an electrical signal in the nervous system.

Signal Detection Theory

A means to quantify the ability to discern between information-bearing patterns and random patterns that distract from the information.

Stimulus

Any object or event that elicits a sensory or behavioral response in an organism.