Chapter 7 Nervous System Part II (PNS) Objectives
Peripheral Nervous System (pp. 249-263)
Describe the general structure of a nerve.
- Identify the cranial nerves by number and by name, and list the major functions of each.
- Describe the origin and fiber composition of (a) ventral and dorsal roots, (b) the spinal nerve proper, and (c) ventral and dorsal rami.
- Discuss the distribution of the dorsal and ventral rami of spinal nerves.
- Name the four major nerve plexuses, give the major nerves of each, and describe their distribution.
- Identify the site of origin and explain the function of the sympathetic and parasympathetic divisions of the autonomic nervous system.
- Contrast the effect of the parasympathetic and sympathetic divisions on the following organs: heart, lungs, digestive system, blood vessels.
- List several factors that may have harmful effects on brain development.
- Briefly describe the cause, signs, and consequences of the following congenital disorders: spina bifida, anencephaly, cerebral palsy.
- Explain the decline in brain size and weight that occurs with age.
- Define senility and list some possible causes.
PERIPHERAL NERVOUS SYSTEM OUTLINE
Structure of a Nerve
- Mixed Nerves
- Sensory (Afferent) Nerves
- Motor (Efferent) Nerves
- Comparison of the Somatic and Autonomic Nervous Systems
- Anatomy of the Sympathetic Division
- Anatomy of the Parasympathetic Division
- Autonomic Functioning
DEVELOPMENTAL ASPECTS OF THE NERVOUS SYSTEM
Peripheral Nervous System Terms