9. If a pencil were placed over the ear, what portions of the brain would be above it and what below?
10. Describe briefly the cerebrum, the cerebellum, the midbrain, the pons, and the bulb.
[pg 301]11. Locate and describe the cortex. State purpose of the convolutions.
12. State the general differences between the cranial and the spinal nerves.
13. Locate and give the number of the dorsal-root ganglia. Locate and give the approximate number of the sympathetic ganglia.
14. Show how the two portions of the spinal nerves are formed—the one from the mon-axonic and the other from the di-axonic neurons.
15. Enumerate the different agencies through which the brain and spinal cord are protected.
16. What cranial nerves contain afferent fibers? What ones contain efferent fibers? What ones contain both afferent and efferent fibers?
17. In what respects is the nervous system similar to a system of telephony? In what respects is it different?