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17 terms

Page Six

STUDY
PLAY
The ability of smooth muscle to function over a wide range of lengths is called
Plasticity
Which of the following is not characteristic of smooth muscle?
Smooth muscle connective tissue forms tendons and aponeuroses.
Which of the following is not a function of smooth muscle tissue?
Forcing blood from the heart into the major arteries
Opioids relieve pain by blocking the release of
Substance P
The afferent division of the PNS _____________.
Carries sensory information
Neuroglia perform all of these functions except __________.
Release neurotransmitters
If a nerve cell receives many IPSPs at the same time, __________.
It will show spatial summation
The neuroglial cells that participate in maintaining the blood-brain barrier are the
Astrocytes
The ________ nervous system is composed of the brain and spinal cord.
Central
The ________ nervous system controls the skeletal muscles
Somatic
The efferent division of the peripheral nervous system innervates:
Glandular cells, smooth muscle cells, heart muscle cells, skeletal muscle cells; ALL
The axon hillock connects the axon with the __________.
Cell body (soma)
Most CNS neurons fall into which structural category?
Multipolar
The most abundant class of neuron in the central nervous system is
Multipolar
Clusters of RER and free ribosomes in neurons are called
Nissl bodies
Branches that may occur along an axon are called
Collaterals
Axons terminate in a series of fine extensions known as
Telodendria