Exam 13: B: Nervous System Cells

Which is not true of the myelin sheath?

Which of the following structures are not found on the axon?

What two systems perform the vital functions of communication and integration of body processes?

Match each term with its definition or description. -fatty sheath around nerve fibers made by Schwann cells

Sue was in a severe car accident.She had injuries to her arm and lower spinal column.Her physician told her that she most likely would regain the use of her arm but her legs would be paralyzed.Why did he say that? Explain the differences in the neuron structures.

A lack of which neurotransmitter is associated with Parkinson disease?

Neurons in the central nervous system have less chance of regenerating for all of the following reasons except:

What comprises the central nervous system?

Describe the process of impulse conduction across a synapse.

Which is true of an action potential?

Preparing the body for "fight or flight" describes the function of the _____ nervous system.