Q1. Describe the basic structure of a nerve.
Q2. What collective purpose do the endoneuriurn, perineuriurn, and epineuriurn serve?
Q3. What is the name for the fine sheath that covers each axon fiber?
Q4. What surrounds groups of fascicles and blood vessels in a nerve?
Q5. How many pairs of cranial nerves are found in the human body? Do the cranial nerves contain afferent (sensory) or efferent(fibers)?
Q6. Which cranial nerves are responsible for eye movements?
Q7. What are mixed nerves?
Q8. Which cranial nerves carry only afferent signals?
Q9. How many pairs of spinal nerves are present in the body and how is each pair named?
Q10. What are the four plexuses of the body?
Q11. Explain the difference between the dorsal and ventral roots. 11. Are spinal nerves efferent, afferent, or mixed?
Q12. Which nervous system sends impulses to the heart- the somatic or the autonomic system?
Q13. List the two divisions of the autonomic nervous system.
Q14. Differentiate between the functions of the sympathetic and parasympathetic nervous systems.
Q15. Explain the difference between a pre-ganglionic neuron and a post-ganglionic neuron.