Chapter 11 Quizlet Anatomy

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the ________ system controls brain and spinal cordcentral
The ________ nervous system controls the skeletal muscles.
autonomic
parasympathetic
afferent
sympathetic
somaticsomatic
The part of the peripheral nervous system that carries sensory information to the CNS is designated autonomic.
motor.
afferent.
efferent.
somatic.afferent
The efferent division of the peripheral nervous system innervates: glandular cells
heart muscle cells
smooth muscle cells
skeletal muscle cells
All of the answers are correct.all
The most abundant class of neuron in the central nervous system is bipolar.
unipolar.
multipolar.
pseudopolar.
anaxonicmultipolar
The cytoplasm that surrounds the nucleus of a neuron is called the neuroplasm.
sarcoplasm.
nucleoplasm.
perikaryon.
protoplasm.perikaryon
Clusters of RER and free ribosomes in neurons are called
perikaryon.
neurofilaments.
microglia.
neurofibrils.
Nissl bodiesnissl bodies
vThe axon is connected to the soma at the
telodendria.
synaptic terminal.
axon hillock.
synapse.
collateralsaxon hillock
Branches that may occur along an axon are called
synapses.
hillocks.
telodendria.
synaptic terminals.
collateralscollaterals
Axons terminate in a series of fine extensions known as
dendrites.
terminals.
synapses.
collaterals.
telodendriatelodendria
The site of intercellular communication between a neuron and another cell is the collateral.
telodendria.
synapse.
hillock.
synaptic terminals.synapse
Neurotransmitters ready for release are stored in synaptic
telodendria.
terminals.
mitochondria.
neurosomes.
vesicles.vesicles
Most CNS neurons lack centrioles. This observation explains
the ability of neurons to produce a resting potential.
the ability of neurons to communicate with each other.
why CNS neurons grow such long axons.
the ability of neurons to generate an action potential.
why CNS neurons cannot divide to regenerate damaged tissue.why CNS neurons cannot divide to regenerate damaged tissue The basic functional unit of the nervous system is the ________.neuron Which of the following is a type of glial cell found in the peripheral nervous system? astrocytes

ependymal cells
microglia
oligodendrocytes
satellite cellssatellite cells
Functions of astrocytes include all of the following, except forming a three-dimensional framework for the CNS.
guiding neuron development.
responding to neural tissue damage.
conducting action potentials.
maintaining the blood-brain barrier.conducting action potentials ________ account for roughly half of the volume of the nervous system. Dendrites
Efferent fibers
Axons
Synapses
Neuroglianeuroglia
The function of the astrocytes in the CNS includes which of the following? guiding neuron development
adjusting the composition of the interstitial fluid
maintaining the blood-brain barrier
repairing damaged neural tissue
All of the answers are correct.all
The neuroglial cells that participate in maintaining the blood-brain barrier are the astrocytes.
oligodendrocytes.
microglia.
ependymal cells.
Schwann cells.astrocytes
cThe myelin sheath that covers many CNS axons is formed by
oligodendrocytes.
astrocytes.
ependymal cells.
satellite cells.
microglia.oligodentrocytes
Small, wandering cells that engulf cell debris and pathogens in the CNS are called satellite cells.
ependymal cells.
oligodendrocytes.
microglia.
astrocytesmicroglia
The neurilemma of axons in the peripheral nervous system is formed by oligodendrocytes.
astrocytes.
microglia.
Schwann cells.
satellite cells.schwann cells
Glial cells that surround the neurons in ganglia are
ependymal cells.
satellite cells.
astrocytes.
oligodendrocytes.
microglisatellite cells
Many medications introduced into the bloodstream cannot directly affect the neurons of the CNS because the neurolemma is...
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