Multiple Choice Questions

Schwann cells are functionally similar to ________.
  • oligodendrocytes
  • the dendrite
  • ependymal cells
  • astrocytes
Which of the following is not a function of the autonomic nervous system?
  • innervation of skeletal muscle
  • Release hormones into the bloodstream to communicate with other cells in the body.
  • provide the defense for the CNS
  • They are mitotic.
The concentration of ions in the chemical environment surrounding the neurons must be tightly regulated for neurons to function properly. Which of the following cells is most responsible for this?
  • astrocytes
  • Schwann cells
  • ependymal cells
  • microglia
Cold sores on the skin of the mouth occur when herpes simplex viruses that are dormant in neural ganglia become active and travel to the skin of the mouth. Which of the following is the mechanism by which these viruses travel from the ganglia (located within the head) to the skin of the mouth?
  • innervation of skeletal muscle
  • provide the defense for the CNS
  • astrocytes
  • anterograde axonal transport
Which criterion is used to functionally classify neurons?
  • the direction in which the nerve impulse travels relative to the central nervous system
  • They are mitotic.
  • Release hormones into the bloodstream to communicate with other cells in the body.
  • A neuron can have only one axon, but the axon may have occasional branches along its length.
These cells in the CNS have cilia that move in order to circulate cerebrospinal fluid ________.
  • Schwann cells
  • ganglia
  • ependymal cells
  • oligodendrocytes
Many neurons have many short, branching extensions called dendrites. What is the benefit of these structures for a neuron?
  • The dendrites provide a large surface area for connections from other neurons.
  • the sympathetic division of the autonomic nervous system
  • the direction in which the nerve impulse travels relative to the central nervous system
  • the dendrite
As you start working out, you notice that your heart rate and breathing rate start to increase. Which division of your nervous system is generating this response? Be as specific as possible.
  • the sympathetic division of the autonomic nervous system
  • The dendrites provide a large surface area for connections from other neurons.
  • Release hormones into the bloodstream to communicate with other cells in the body.
  • the direction in which the nerve impulse travels relative to the central nervous system
Which of the choices below describes the ANS?
  • A neuron can have only one axon, but the axon may have occasional branches along its length.
  • motor fibers that conduct nerve impulses from the CNS to smooth muscle, cardiac muscle, and glands
  • Release hormones into the bloodstream to communicate with other cells in the body.
  • the direction in which the nerve impulse travels relative to the central nervous system
What division of the nervous system is most specifically responsible for voluntary motor control?
  • movement and circulation of cerebrospinal fluid
  • somatic nervous system
  • brain and spinal cord
  • True
The term central nervous system refers to the ________.
  • brain and spinal cord
  • oligodendrocytes
  • movement and circulation of cerebrospinal fluid
  • They are mitotic.
Which of the following is not characteristic of neurons?
  • innervation of skeletal muscle
  • They are mitotic.
  • provide the defense for the CNS
  • the dendrite
The concentration neurotransmitters in the fluid of the synaptic cleft must be tightly regulated for neurons to function properly. Which of the following cells is most responsible for aiding in this regulation?
  • Schwann cells
  • microglia
  • astrocytes
  • anterograde axonal transport
Which of the following is not a function of astrocytes?
  • They are mitotic.
  • Release hormones into the bloodstream to communicate with other cells in the body.
  • innervation of skeletal muscle
  • provide the defense for the CNS
Which glial cells have the most diversity of function?
  • oligodendrocytes
  • astrocytes
  • the dendrite
  • They are mitotic.
Nerve impulses leading to the skeletal muscle carry information to direct movement. The nerve fibers sending these signals will most likely belong to which division of the nervous system?
  • astrocytes
  • somatic nervous system
  • Schwann cells
  • microglia
Which of the following is NOT one of the basic functions of the nervous system?
  • motor fibers that conduct nerve impulses from the CNS to smooth muscle, cardiac muscle, and glands
  • innervation of skeletal muscle
  • A neuron can have only one axon, but the axon may have occasional branches along its length.
  • Release hormones into the bloodstream to communicate with other cells in the body.
Which of the following types of glial cells monitors the health of neurons, and can transform into a special type of macrophage to protect endangered neurons?
  • microglia
  • Schwann cells
  • They are mitotic.
  • astrocytes
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Multiple Choice Questions
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