The sac surrounding the spinal cord is the
A. dural sac.
B. meningeal sac.
C. thecal sac.
D. epidural sac.
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Question 2) The conus medullaris
A. anchors the spinal cord to the coccyx.
B. is a tapered, cone like region immediately inferior to the lumbar enlargement.
C. marks the exit of nerves to the upper extremity.
D. is located adjacent to the foramen magnum.
E. is inferior to the cauda equina.
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Question 3) Groups of related nerve cell bodies located outside of the central nervous system are called _____.
A.
tracts
B.
plexus
C.
nerves
D.
ganglia
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Question 4) Identify the functions of the nervous system.
controlling muscles and glands
controlling protein synthesis
integrating information
receiving sensory input
stimulating muscle growth
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Question 5) There are _____ enlargements of the spinal cord where nerves supplying the extremities enter and leave.
A. two
B. three
C. four
D. five
E. six
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Question 6) Which type of circuit is associated with complex neuronal processes, such as solving mathematical equations?
A.
reverberating
B.
converging
C.
parallel after-discharge
D.
diverging
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Question 7) True or False: The nervous system and the endocrine system are the major control systems of the body.
Indicate whether the statement is true or false.
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Question 8) Identify the type of synapse that includes a presynaptic cell, synaptic cleft, and postsynaptic cell.
A.
direct
B.
indirect
C.
neurotransmitter
D.
electrical
E.
chemical
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Question 9) When a neuron releases a neuromodulator that _____ the release of neurotransmitters from another neuron, this is called presynaptic facilitation.
A.
summation
B.
divergence
C.
inhibition
D.
facilitation
E.
convergence
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Question 10) The respiratory center of the brain (taking into account input from chemoreceptors, pulmonary stretch receptors and higher centers of the brain to determine respiratory output) is an example of a ______ circuit.
A.
parallel after-discharge
B.
reverberating
C.
converging
D.
diverging