Physiology Test Bank: Ch 5 The Central Nervous System
Study online at https://quizlet.com/_jnslm8
1. What are the 2 major regulatory systems in the body? c. nervous system & en-
docrine system
a. nervous system & urinary system
b. endocrine system & urinary system
c. nervous system & endocrine system
d. circulatory system & endocrine system
e. nervous system & circulatory system
2. The spinal cord is classified within what part of the b. central nervous system
nervous system?
a. peripheral nervous system
b. central nervous system
c. primary nervous system
d. secondary nervous system
e. spinal nervous system
3. What are the 3 functional classes of neurons in the a. afferent, efferent, & in-
nervous system? terneurons
a. afferent, efferent, & interneurons
b. brain, spinal, & peripheral
c. incoming, outgoing, & transitional
d. efferent, spinal, & motor
e. afferent, peripheral, & sensory
4. About 90% of the cells within the CNS are: e. glial cells
a. neurons
b. nerves
c. connective tissue
d. interneurons
e. glial cells
, Physiology Test Bank: Ch 5 The Central Nervous System
Study online at https://quizlet.com/_jnslm8
5. What are the immune defense cells of the CNS called? d. microglia
a. astrocytes
b. interneurons
c. oligodendrocytes
d. microglia
e. ependymal cells
6. What are the nourishing membranes that lie between c. meninges
the bony covering of the CNS & the nervous tissue?
a. vertebrae
b. ganglions
c. meninges
d. nerve roots
e. glial cells
7. What is the innermost CNS membrane? e. pia matter
a. dura matter
b. arachnoid matter
c. inner meninges
d. grey neurons
e. pia matter
8. Cerebrospinal fluid (CSF) is formed primarily by the: e. choroid plexuses
a. inner meninges
b. nerve root ganglions
c. arachnoid matter
d. glial cells
e. choroid plexuses
, Physiology Test Bank: Ch 5 The Central Nervous System
Study online at https://quizlet.com/_jnslm8
9. What is the estimated number of neurons in the c. 85 billion
brain?
a. 850 million
b. 8.5 billion
c. 85 billion
d. 850 billion
e. 850 trillion
10. What is the name of the neural bridge connecting the b. corpus callosum
2 cerebral hemispheres of the brain?
a. basal nuclei
b. corpus callosum
c. thalamus
d. hypothalamus
e. optic chiasm
11. What is the outer shell of each hemisphere composed a. gray matter
of?
a. gray matter
b. white matter
c. pink matter
d. cerebral matter
e. colossal matter
12. Based on varying distribution of several distinctive cell a. 6
types, the cerebral cortex is organized into how many
well-defined layers?
a. 6
b. 5
Study online at https://quizlet.com/_jnslm8
1. What are the 2 major regulatory systems in the body? c. nervous system & en-
docrine system
a. nervous system & urinary system
b. endocrine system & urinary system
c. nervous system & endocrine system
d. circulatory system & endocrine system
e. nervous system & circulatory system
2. The spinal cord is classified within what part of the b. central nervous system
nervous system?
a. peripheral nervous system
b. central nervous system
c. primary nervous system
d. secondary nervous system
e. spinal nervous system
3. What are the 3 functional classes of neurons in the a. afferent, efferent, & in-
nervous system? terneurons
a. afferent, efferent, & interneurons
b. brain, spinal, & peripheral
c. incoming, outgoing, & transitional
d. efferent, spinal, & motor
e. afferent, peripheral, & sensory
4. About 90% of the cells within the CNS are: e. glial cells
a. neurons
b. nerves
c. connective tissue
d. interneurons
e. glial cells
, Physiology Test Bank: Ch 5 The Central Nervous System
Study online at https://quizlet.com/_jnslm8
5. What are the immune defense cells of the CNS called? d. microglia
a. astrocytes
b. interneurons
c. oligodendrocytes
d. microglia
e. ependymal cells
6. What are the nourishing membranes that lie between c. meninges
the bony covering of the CNS & the nervous tissue?
a. vertebrae
b. ganglions
c. meninges
d. nerve roots
e. glial cells
7. What is the innermost CNS membrane? e. pia matter
a. dura matter
b. arachnoid matter
c. inner meninges
d. grey neurons
e. pia matter
8. Cerebrospinal fluid (CSF) is formed primarily by the: e. choroid plexuses
a. inner meninges
b. nerve root ganglions
c. arachnoid matter
d. glial cells
e. choroid plexuses
, Physiology Test Bank: Ch 5 The Central Nervous System
Study online at https://quizlet.com/_jnslm8
9. What is the estimated number of neurons in the c. 85 billion
brain?
a. 850 million
b. 8.5 billion
c. 85 billion
d. 850 billion
e. 850 trillion
10. What is the name of the neural bridge connecting the b. corpus callosum
2 cerebral hemispheres of the brain?
a. basal nuclei
b. corpus callosum
c. thalamus
d. hypothalamus
e. optic chiasm
11. What is the outer shell of each hemisphere composed a. gray matter
of?
a. gray matter
b. white matter
c. pink matter
d. cerebral matter
e. colossal matter
12. Based on varying distribution of several distinctive cell a. 6
types, the cerebral cortex is organized into how many
well-defined layers?
a. 6
b. 5
