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A patient develops a tumor of a cranial nerve that leads to difficulty in speaking from a loss of tongue movement.  Which cranial nerve is affected?

A viral disease that destroys the cells of the anterior gray horn will:

The ________ filters and relays sensory information to the cerebral cortex

Each of the following effects is associated with the action of postganglionic sympathetic fibers EXCEPT:

Almost 75 percent of all parasympathetic outflow travels along the ________ nerve(s)

________, or pinkeye, results from damage to or irritation of the conjunctival surface

The dorsal root ganglion mainly contains:

________ are photoreceptor cells that are most useful in dim light

The ________ nervous system controls the skeletal muscles

Functions of astrocytes include all of the following except: