| A | B |
| Name the four types of neuroglial cells. | Astrocytes, Oligodendrocytes, Ependymal, Microglial |
| When a neuron is stimulated, the charge on the outside of the cell will become _?_. | Negative |
| What is the synapse? | the space between two neurons |
| What is the tough outer connective layer of the meninges? | Dura mater |
| What is a neuron called with only one process? | Unipolar |
| When an impulse passes over the terminal knob of a presynaptic neuron, the cell allows what ion to enter the cell through channels that have been closed and which causes neurotransmitter vesicls to release their contents? | Ca++ ions |
| A bundle of neurons separated by layers of connective tissue and containing blood vessels is a _?_. | Nerve |
| What is the term for a raised area on the surface of the cerebrum? | Gyrus |
| What two cells are involved in synaptic transmission? | Presynaptic fibers and Postsynaptic fibers |
| What types of neurons are afferent (give function)? | Sensory neurons |
| Which cell process carries impulses away from the cell body? | axons |
| Which layer of the meninges does not have blood vessels? | Arachnoid mater |
| What part of the brain regulates body water concentration and electrolyte balance? | Hypothalmus |
| In relation to the spinal cord, which direction do efferent neurons carry their impulses? | Out of the spinal cord |
| Which region of the vertebral column gives off nerves to the legs? | Lumbar |
| What is the term for an indentation or groove in the cerebrum? | Fissure or sulcus |
| What is a major sensory function of the parietal lobe of the cerebrum? | Hearing |
| Which cell process will contain Schwann cells if they are present? | Axon |
| Nissl bodies are made up of what cell organlle? | Endoplasmic reticulum |