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 stimuli
coma          c. bright, alert, responsive
lethargy          d. deep state of unconsciousness
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