Chapter 8 Pt. 1 Flashcards
What is the difference between the central nervous system (CNS) and peripheral nervous system (PNS)?
central nervous system (CNS)-integrates and coordinates all voluntary and involuntary nervous functions
peripheral nervous system (PNS)- the nerves and ganglia located outside of the central nervous system
The central nervous system (CNS) contains the _____ and _______ ______
brain
spinal cord
What are ganglias?
cell bodies grouped together in small clusters
The peripheral nervous system (PNS) divides into what 2 systems?
1) somatic nervous system
2) autonomic nervous system
Is this the somatic or autonomic nervous system:
consists of nerves that carry information to and from the central nervous system, resulting in sensations and voluntary movements
somatic nervous system
Is this the somatic or autonomic nervous system:
governs the involuntary, subconscious activities that keep the body functioning properly
autonomic nervous system
The autonomic nervous system divides into what 2 systems?
1) parasympathetic nervous system
2) sympathetic nervous system-
Is this the parasympathetic or sympathetic nervous system: governs bodily activities during restful conditions
parasympathetic nervous system
Is this the parasympathetic or sympathetic nervous system:
prepares body for stressful or emergency situations
sympathetic nervous system
The central nervous system is protected by the ________, the __________ ______, and the bones of the _____ and _________ ________
meningles
cerebrospinal fluid
skull
vertebral column
What are meninges?
3 protective connective tissue coverings of the brain and spinal cord
What are the three layers of meninges (from outer to inner)?
1) dura mater
2) arachnoid
3) pia mater
Which layer of the meninges is this:
outermost layer
tough and leathery
dura mater
Which layer of the meninges is this:
“like a cobweb”
anchored to the next-lower layer of meninges by thin, threadlike extensions that resemble a spider’s web
arachnoid
Which layer of the meninges is this:
the innermost layer
molded around the brain
pia mater
