Chapter 13 Questions: Nerves of Steel

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    Please choose the best answer for each of the following questions:

    1. The space between two neurons or between a neuron and a receptor is a(n):
    a. Synapseb. Ganglionc. Axond. Dendrite

    2. Maintaining a constant internal environment is called:
    a. Osmosisb. Homeosmosisc. Homeostasisd. Ipsistasis

    3. Inflammation of the root of a spinal nerve is:
    a. Myelitisb. Radiculitisc. Polyneuritisd. Poliomyelitis

    4. The three-layered membrane lining the CNS is called the:
    a. Hippocampusb. Ponsc. Myelind. Meninges

    5. The protective sheath that covers some nerve cells of the spinal cord, white matter of the brain and most peripheral nerves is called:
    a. Piab. Durac. Gliad. Myelin

    6. The division of the autonomic nervous system that is concerned with body functions under emergency or stress is the:
    a. Peripheralb. Centralc. Sympatheticd. Parasympathetic

    7. A network of intersecting nerves is a:
    a. Bundleb. Trunkc. Tractd. Plexus

    8. What type of neuron carries impulses away from the CNS and toward the muscles?
    a. Afferent (sensoryb. Efferent (motor)c. Sympatheticd. Parasympathetic

    9. An automatic, involuntary response to change is called a(n):
    a. Impulseb. Stimulusc. Reflexd. Receptor

    10. The largest portion of the brain that is involved with thought and memory is the:
    a. Cerebrumb. Cerebellumc. Brainstemd. Spinal cord

    11. Elevated portions of the cerebral cortex are:
    a. Sulcib. Plexusesc. Gyrid. Hemispheres

    12. The term meaning without pain is:
    a. Analgesiab. Endorphinc. Idiopathicd. Ptosis

    13. Inflammation of the gray matter of the spinal cord is known as:
    a. Myelitisb. Poliomyelitisc. Leukomyelitisd. Neuritis

    14. The term for without coordination or stumbling” is:
    a. Ataxiab. Spasticityc. seizured. epilepsy

    15. A knotlike mass of neuron cell bodies in the peripheral nervous system is known as a:
    a. Microgliab. Synapsec. Receptord. Ganglion

    16. A “depressed” animal is referred to as:
    a. Consciousb. Disorientedc. Obtundedd. Depressed

    17. Inflammation of the membranes surrounding the brain and spinal cord is known as:
    a. Meningitisb. Encephalopathyc. Encephalitisd. Chorea

    18. Conscious proprioceptive deficit is commonly called:
    a. Nystagmusb. Roaringc. Knucklingd. Wobbler’s syndrome

    19. The medical term or crossing is:
    a. Intumescenceb. Plexusc. Chiasmd. Flium

    20. Small cavities in the brain are known as:
    a. Gyrib. Sulcic. Ventriclesd. Ependymal

    Please match the following:

    conscious         

    a. depressed

    BAR         

    b. impaired consciousness with unresponsiveness to most stimuli

    coma         

    c. bright, alert, responsive

    lethargy         

    d. deep state of unconsciousness; unresponsive to any and all stimuli

    obtunded         

    e. awake, aware, and responsive; also known as alert

    disorientation         

    f. condition in which the animal appears mentally confused

    stupor         

    g. drowsiness, indifference, and listlessness

    Please match the following:

    homeostasis         

    a. supportive cells of the nervous system

    ganglia         

    b. protective covering over some nerve cells that serves as electrical insulation

    stimulus         

    c. wave of excitation transmitted through nervous tissue

    reflex         

    d. neuron cell bodies grouped together outside of the CNS

    synapse         

    e. repetitive, rhythmic contraction of limb or facial muscles

    soma         

    f. something that excites or activates

    impulse         

    g. automatic, involuntary response to change

    neuroglia         

    h. space between two neurons or a neuron and a receptor

    myelin         

    i. cell body

    myoclonus         

    j. process of maintaining a constant internal body environment


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