Which of the following is an excitatory neurotransmitter secreted by motor neurons innervating skeletal muscle? A) gamma aminobutyric acid B) acetylcholine C) cholinesterase D) norepinephrine

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Which of the following is an excitatory neurotransmitter secreted by motor neurons innervating skeletal muscle?
A) gamma aminobutyric acid
B) acetylcholine
C) cholinesterase
D) norepinephrine

 
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Bipolar neurons are commonly ________. A) found in the retina of the eye B) found in ganglia C) motor neurons D) called neuroglial cells

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Bipolar neurons are commonly ________.
A) found in the retina of the eye
B) found in ganglia
C) motor neurons
D) called neuroglial cells

 
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What does the central nervous system use to determine the strength of a stimulus? A) origin of the stimulus B) frequency of action potentials C) size of action potentials D) type of stimulus receptor

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What does the central nervous system use to determine the strength of a stimulus?
A) origin of the stimulus
B) frequency of action potentials
C) size of action potentials
D) type of stimulus receptor

 
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What are ciliated CNS neuroglia that play an active role in moving the cerebrospinal fluid called? A) Schwann cells B) oligodendrocytes C) ependymal cells D) astrocytes

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What are ciliated CNS neuroglia that play an active role in moving the cerebrospinal fluid called?
A) Schwann cells
B) oligodendrocytes
C) ependymal cells
D) astrocytes

 
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