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The Anatomy and Physiology Study Set 1

Biology

Quiz 8 :

Nervous System

Quiz 8 :

Nervous System

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The type of neuroglia cell that is likely to increase in number during an infection in the central nervous system is the
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C

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An afferent extension of a neuron is the
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D

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In most people the spinal cord is at least 2 feet long.
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True False
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False

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Three functional categories of nervous system activities are
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Which one of the following is NOT found in the CNS?
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Cells in nervous tissue that conduct impulses are the
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Normally,cerebrospinal fluid is located in the subdural space.
True False
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Somatic efferent pathways utilize two neurons,but the visceral efferent of autonomic pathway uses only one neuron.
True False
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Stimulation by the sympathetic division of the autonomic nervous system increases heart rate,respiratory rate,and blood pressure.
True False
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Trauma to the central nervous system is damage to the
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The neurilemma is a white fatty substance around the axons of some neurons.
True False
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Neurons that carry impulses toward the central nervous system are
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In inhibitory transmission at the synapse,the neurotransmitter hyperpolarizes the postsynaptic membrane and makes it more difficult to initiate an impulse.
True False
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The gaps between myelin segments along an axon are called
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The most abundant type of neurons is the bipolar neuron.
True False
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Collectively,the commissural white fibers that connect the two cerebral hemispheres are called the corpus callosum.
True False
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The midbrain consists of the thalamus and hypothalamus.
True False
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Neurons that are totally within the central nervous system are _____ neurons.
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There is more white matter than gray matter in the cerebral cortex.
True False
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The white,fatty covering around some axons is called
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