Unipolar neurons have only one cell process, the axon.

Neurons that have several dendrites and a single axon are called

Preparing the body for the “fight-or-flight” response during threatening situations is the role of the:

Oligodendrocytes produce myelin sheaths in the PNS.

Divisions of the cerebral hemispheres that are named after the overlying skull bones are

The channels responsible for the rapid depolarization during action potentials are

Which of the following is true about threshold for an action potential?

________ neurons are the most common structural class in the CNS.

Inadequate levels of the neurotransmitter __________ may be responsible for many cases of severe chronic depression.

A brain hemorrhage is life-threatening because