BIO 201 - Central Nervous System Review Guide (1)

1. What two structures make up the CNS?

2. Describe the roles of the three types of neurons in the spinal cord (sensory, motor,
and interneuron).
Sensory neurons:

Motor neurons:

Interneurons (AKA - association neurons):

3. Draw AND label (including the functions of the regions that you label) of a spinal cord
cross section. The more detail that you provide, the better! Here are some regions
that you should not forget to include:

4. Diagram AND label the five steps that occur in a neural reflex. Make sure to keep the
sensory and motor neurons straight!
5. Compare and contrast innate and acquired reflexes.

6. Compare and contrast somatic and visceral reflexes.

7. Compare and contrast monosynaptic and polysynaptic reflexes.

8. Compare and contrast spinal reflexes and cranial reflexes.

9. Diagram AND label a monosynaptic spinal reflex, using the stretch reflex as an