Lecture 2 Quiz Flashcards
(15 cards)
Each fascicle of nerve fibers in a peripheral nerve is enclosed by a ________.
perineurium
The cell bodies of preganglionic sympathetic neurons are located in _______________.
spinal cord segments T1-L2 only
Parasympathetic nerve fibers are found in each of the following body regions EXCEPT in the ______________.
limbs
Which of the following types of ganglia contains the cell bodies of sensory neurons?
prevertebral ganglia
dorsal root ganglia
all ganglia
paravertebral ganglia
dorsal root ganglia
What are the nerve fibers found in all anterior rami of spinal nerves but NOT in any ventral root of the spinal nerves?
GSE
Postganglionic parasympathetic GVE
Preganglionic sympathetic GVE
Postganglionic sympathetic GVE
Preganglionic parasympathetic GVE
Postganglionic sympathetic GVE
Postganglionic sympathetic fibers are found in all the following structures EXCEPT in _____________.
some splanchnic nerves
gray rami communicans
all cutaneous nerves
white rami communicans
all spinal nerves
white rami communicans
A nerve supplying the skin (cutaneous nerve) contains all of the following types of fiber EXCEPT ______________.
GSE
GSA
GVE
GSE
Most nerve fibers traveling in ventral root of the spinal cord are likely ______________.
GSE only
GVE only
motor
sensory
Motor
Where do we find the soma of general somatic efferent nerve fibers traveling in spinal nerves?
dorsal root ganglia
Lateral horn of spinal cord
Ventral horn of spinal cord
Dorsal horn of spinal cord
Paravertebral ganglia
Ventral horn of spinal cord
A peripheral nerve is composed of what part(s) of neurons?
cell bodies
dendrites
axons
synapses
axons
How many dorsal roots do we have in an entire human spinal cord?
62
A nerve plexus is formed by axons _____________.
coming from different spinal nerves
carrying motor information only
coming from a single spinal nerve
carrying sensory information only
coming from different spinal nerves
How do you call a strip of skin innervated by sensory fibers coming from a single spinal nerve?
Myotome
Neurome
Dermatome
Dermatome
How do you call the structure used by postganglionic sympathetic fibers to enter the spinal nerve?
Ventral root
Dorsal root
Gray ramus communicans
White ramus communicans
Gray ramus communicans
Splanchnic nerves contain nerve fibers involved in the innervation of which of the following structures?
limb muscles
skin
skeleton
internal organs
internal organs
