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The ability of smooth muscle to function over a wide range of lengths is called


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


The ________ nervous system is composed of the brain and spinal cord.


The ________ nervous system controls the skeletal muscles


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?


The most abundant class of neuron in the central nervous system is


Clusters of RER and free ribosomes in neurons are called

Nissl bodies

Branches that may occur along an axon are called


Axons terminate in a series of fine extensions known as


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