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Challenge Yourself
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1
The cell body of a mature neuron does not contain
A)a nucleus.
B)ribosomes.
C)a centriole.
D)mitochondria.
2
Neurons that have only two processes attached to the cell body are called
A)unipolar.
B)bipolar.
C)multipolar.
D)efferent.
3
Which neurons are located only within the CNS?
A)afferent neurons
B)glial cells
C)sensory neurons
D)interneurons
4
An example of an effector is a
A)motor neuron.
B)gland.
C)sensory neuron.
D)ganglion.
5
The glial cells that help produce CSF in the CNS are
A)satellite cells.
B)microglia.
C)ependymal cells.
D)astrocytes.
6
Which of the following is not a part of the CNS?
A)microglia
B)spinal cord
C)neurolemmocyte
D)brain
7
Which of these cells transfer and process information?
A)neurolemmocytes
B)astrocytes
C)neurons
D)oligodendrocytes
8
Which type of neuronal pool utilizes nerve impulse feedback to repeatedly stimulate the circuit?
A)converging circuit
B)diverging circuit
C)reverberating circuit
D)parallel-after-discharge circuit
9
At an electrical synapse, presynaptic and postsynaptic membranes interface through
A)neurofibril nodes.
B)gap junctions.
C)telodendria.
D)neurotransmitters.
10
The epineurium is
A)a thick, dense irregular connective tissue layer enclosing the nerve.
B)a group of axons.
C)a delicate layer of areolar connective tissue.
D)a cellular and dense connective tissue layer.







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