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A sensory neuron carries stimuli from the central nervous system to the effector.

Immediately after an action potential is propagated, which one of the following ions rapidly diffuses out of the cell into the tissue fluid:

The most abundant class of neuron in the central nervous system is

The nervous tissue outside of the central nervous system composes the ________ nervous system.

Ten-year-old Tina falls while climbing a tree and lands on her back. Her frightened parents take her to the local emergency room where she is examined. Her knee jerk reflex is normal and she exhibits a plantar reflex (negative Babinski reflex). These results suggest that

If the pons was damaged, which of the following functions would be affected?

Which of these glial cells can form a myelin sheath around axon fibers in the central nervous system?

The most abundant class of neuron in the central nervous system is

After suffering a blow to the back of the head, Phil loses his vision. The blow probably caused damage to the

The surface of the postcentral gyrus contains the ________ cortex.