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Pre-Lab Questions
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1
The cell body of a neuron contains the
A)nucleus.
B)dendrites.
C)axon.
D)neuroglia.
2
A multipolar neuron contains
A)one dendrite and many axons.
B)many dendrites and one axon.
C)one dendrite and one axon.
D)a single process with the dendrite and axon.
3
Neuroglia that produce myelin insulation in the CNS are
A)microglia.
B)astrocytes.
C)ependymal cells.
D)oligodendrocytes.
4
The PNS contains
A)12 pairs of cranial nerves only.
B)31 pairs of spinal nerves only.
C)12 pairs of cranial nerves and 31 pairs of spinal nerves.
D)43 pairs of spinal nerves.
5
Schwann cells
A)are only in the brain.
B)are only in the spinal cord.
C)are throughout the CNS.
D)have a myelin sheath and neurilemma.
6
A ______________ neuron is the most common structural neuron in the brain and spinal cord.
A)multipolar
B)tripolar
C)bipolar
D)unipolar
7
Sensory neurons conduct impulses from the spinal cord to a muscle or a gland.
A)True
B)False
8
Astrocytes have contacts between blood vessels and neurons in the CNS.
A)True
B)False





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