12 Study Guide

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NursyDaisy
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137379
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12 Study Guide
Updated:
2012-04-30 22:00:21
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Pathophysiology
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Structure and Function of the Neurologic System
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  1. One function of the somatic nervous system that is not performed by the autonomic nervous system is conduction of impulses:
    A. to involuntary muscles and glands.
    B. to skeletal muscles.
    C. between the brain and spinal cord.
    D. to the central nervous system.
    B. to skeletal muscles.
    (this multiple choice question has been scrambled)
  2. A neuron with a single dendrite at one end of the cell body and a single axon at the other end of the cell body would be classified as:
    A. unipolar.
    B. multipolar.
    C. monopolar.
    D. bipolar.
    D. bipolar.
    (this multiple choice question has been scrambled)
  3. Neurons that carry impulses away from the CNS are called:
    A. association neurons.
    B. efferent neurons.
    C. afferent neurons.
    D. sensory neurons.
    B. efferent neurons.
    (this multiple choice question has been scrambled)
  4. Schwann cell
    A. conducts impulses to cell body
    B. produces myelin sheath
    C. carried impulses away from the perikaryon
    D. covers neuron fibers
    E. is the outer, nucleated layer of a certain cell type
    B. produces myelin sheath
    (this multiple choice question has been scrambled)
  5. Dendrite
    A. conducts impulses to cell body
    B. produces myelin sheath
    C. covers neuron fibers
    D. carried impulses away from the perikaryon
    E. is the outer, nucleated layer of a certain cell type
    A. conducts impulses to cell body
    (this multiple choice question has been scrambled)
  6. Neurons are specialized for the conduction of impulses, where as neuroglia:
    A. synthesize acetylcholine and cholinesterase.
    B. support nerve tissue.
    C. serve as motor end plates.
    d. All of the above are correct.
    B. support nerve tissue.
    (this multiple choice question has been scrambled)
  7. There is one-way conduction at a synapse because:
    A. acetylcholine prevents nerve impulses from traveling in both directions.
    B. only dendrites release neurotransmitters.
    C. only the presynaptic neuron contains neurotransmitters.
    D. only postsynaptic neurons contain synaptic vesicles.
    C. only the presynaptic neuron contains neurotransmitters.
    (this multiple choice question has been scrambled)
  8. Which contains the thalamus and hypothalamus?
    A. brainstem
    B. cerebrum
    C. diencephalon
    D. medulla oblongata
    C. diencephalon
    (this multiple choice question has been scrambled)
  9. The reticular activating system:
    A. maintains wakefulness.
    B. programs for fine repetitive motor movements.
    C. maintains constant internal environment.
    D. affects the positioning of the head to improve hearing.
    A. maintains wakefulness.
    (this multiple choice question has been scrambled)
  10. Which phrases best describe the spinal cord? (More than one answer may be correct)
    a. descends inferior to the lumbar vertebrae
    b. conducts motor impulses from the brain
    c. descends to the fourth lumbar vertebra
    d. conducts sensory impulses to the brain
    • b. conducts motor impulses from the brain
    • d. conducts sensory impulses to the brain
  11. Sensory neuron
    A. carries impulses to a responding organ
    B. is stimulated by one neuron and passes impulse on to another neuron
    C. carries impulses to the CNS
    D. responds to motor impulse
    E. responds directly to changes in environment
    C. carries impulses to the CNS
    (this multiple choice question has been scrambled)
  12. Effector
    A. is stimulated by one neuron and passes impulse on to another neuron
    B. responds to motor impulse
    C. responds directly to changes in environment
    D. carries impulses to the CNS
    E. carries impulses to a responding organ
    B. responds to motor impulse
    (this multiple choice question has been scrambled)
  13. Which is not a protective covering of the CNS?
    A. cranial bone
    B. arachnoid
    C. cauda equine
    D. dura mater
    C. cauda equine
    (this multiple choice question has been scrambled)
  14. The composition of cerebrospinal fluid is:
    A. a heavy mucous solution with dissolved salts, glucose, and urea.
    B. distilled H2O with dissolved salts.
    C. a plasma-like liquid with glucose, salts, and proteins
    D. the same as blood.
    C. a plasma-like liquid with glucose, salts, and proteins
    (this multiple choice question has been scrambled)
  15. Tasting
    A. hypoglossal
    B. olfactory
    C. vestibulocochlear
    D. optic
    E. facial
    E. facial
    (this multiple choice question has been scrambled)
  16. Balance maintenance
    A. optic
    B. facial
    C. hypoglossal
    D. vestibulocochlear
    E. olfactory
    D. vestibulocochlear
    (this multiple choice question has been scrambled)
  17. An autonomic ganglion can be described as:
    A. the place where unconscious sensations occur.
    B. the site of synapses between visceral efferent neurons.
    C. a point of synapse between parasympathetic and sympathetic neurons.
    D. a site where spinal reflexes occur.
    B. the site of synapses between visceral efferent neurons.
    (this multiple choice question has been scrambled)
  18. The sympathetic division of the autonomic nervous system:
    A. Both a and c are correct.
    B. Both a and b are correct.
    C. is innervated by cell bodies located in the cranial nerve nuclei.
    D. mobilizes energy in times of need.
    E. is innervated by cell bodies from T1 through L2.
    B. Both a and b are correct. (a. mobilizes energy in times of need. b. is innervated by cell bodies from T1 through L2.)
    (this multiple choice question has been scrambled)
  19. The parasympathetic division of the autonomic nervous system:
    A. Both a and b are correct.
    B. has relatively short postganglionic neurons.
    C. has paravertebral ganglia.
    D. conserves and stores energy.
    A. Both a and b are correct. (a. conserves and stores energy. b. has relatively short postganglionic neurons.)
    (this multiple choice question has been scrambled)
  20. More extensive use of norepinephrine as a transmitter substance
    a. sympathetic
    b. parasympathetic
    a. sympathetic
  21. More widespread and generalized effects
    a. sympathetic
    b. parasympathetic
    a. sympathetic
  22. Elicits rest-response
    a. sympathetic
    b. parasympathetic
    b. parapsympathetic
  23. Breathing passageways
    A. increases diameter
    B. decreases activity
    C. increases activity
    D. decreases diameter
    A. increases diameter
    (this multiple choice question has been scrambled)
  24. Intestines
    A. decreases activity
    B. increases activity
    C. increases diameter
    D. decreases diameter
    A. decreases activity
    (this multiple choice question has been scrambled)
  25. Liver
    A. increases activity
    B. decreases diameter
    C. increases diameter
    D. decreases activity
    A. increases activity
    (this multiple choice question has been scrambled)

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