Ch.12 Nervous Tissue-final Exam

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  • 1. 
    Which does not belong to the peripneral nervous system?
    • A. 

      Ganglion

    • B. 

      Cranial nerve

    • C. 

      Spinal cord

    • D. 

      Peripheral nerve

    • E. 

      Spinal nerve


  • 2. 
    The afferent division of the nervous system is also known as the ___________ division.
    • A. 

      Motor

    • B. 

      Cranial

    • C. 

      Ganglial

    • D. 

      Efferent

    • E. 

      Sensory


  • 3. 
    The portion of the nervous system that conducts impulses from the skin, joints, skeletal muscles, and special senses is the _________ division.
    • A. 

      Autonomic motor

    • B. 

      Somatic sensory

    • C. 

      Somatic motor

    • D. 

      Visceral sensory


  • 4. 
    Which two distinct cell types form nervous tissue?
    • A. 

      Afferent cells and glial cells

    • B. 

      Peripheral cells and neurons

    • C. 

      Glial cells and neurons

    • D. 

      Peripheral cells and glial cells

    • E. 

      Glial cells and efferent cells


  • 5. 
    The neurons that are responsible for integrating information by retrieving, processing, storing, and "deciding" how the body responds to stimuli are
    • A. 

      Sensory neurons

    • B. 

      Motor neurons

    • C. 

      Accessory neurons

    • D. 

      Correlation neurons

    • E. 

      Interneurons


  • 6. 
    The most abundant glial cell in CNS is the
    • A. 

      Astrocyte

    • B. 

      Ependymal cell

    • C. 

      Neurolemmocyte

    • D. 

      Microglial cell

    • E. 

      Oligodendrocyte


  • 7. 
    The glial cell that helps to form cerebrospinal fluid is the
    • A. 

      Astrocyte

    • B. 

      Ependymal cell

    • C. 

      Neurolemmocyte

    • D. 

      Microglial cell

    • E. 

      Oligodendrocyte


  • 8. 
    The glial cell that myelinates and insulates axons within the CNS is the
    • A. 

      Astrocyte

    • B. 

      Ependymal cell

    • C. 

      Neurolemmocyte

    • D. 

      Microglial cell

    • E. 

      Oligodendrocyte


  • 9. 
    The glial cell that helps to form the blood-brain barrier is the
    • A. 

      Astrocyte

    • B. 

      Ependymal cell

    • C. 

      Neurolemmocyte

    • D. 

      Microglial cell

    • E. 

      Oligodendrocyte


  • 10. 
    The portion of the nervous system that has voluntary control over skeletal muscles is the _________ division.
    • A. 

      Autonomic motor

    • B. 

      Somatic sensory

    • C. 

      Somatic motor

    • D. 

      Visceral sensory


  • 11. 
    The neuron conducting an impulse from the stomach wall to the CNS would be classified as a(n)  _________  neuron.
    • A. 

      Autonomic motor

    • B. 

      Somatic sensory

    • C. 

      Somatic motor

    • D. 

      Visceral sensory


  • 12. 
    The glial cell that defends the body against pathogens is the 
    • A. 

      Astrocyte

    • B. 

      Ependymal cell

    • C. 

      Neurolemmocyte

    • D. 

      Microglial Cell

    • E. 

      Oligodendrocyte


  • 13. 
    A nerve
    • A. 

      Contains a single axon

    • B. 

      Is found only in CNS

    • C. 

      Carries only sensory information

    • D. 

      Carries information onlyh towards the PNS

    • E. 

      Is a cablelike bundle of parallel axons


  • 14. 
    What do all glial cells have in common?
    • A. 

      They help to transmit the nerve signals

    • B. 

      They transfer blood to the various neurons

    • C. 

      They assist neurons in their respective functions

    • D. 

      They all attack pathogens

    • E. 

      They absorb extra bood and cerebrospinal fluid


  • 15. 
    The glossy-white apperance of most axons is due to
    • A. 

      The high lipid content of the myelin sheath

    • B. 

      Their proximity to light-reflecting cartilage

    • C. 

      Their proximity to white bone

    • D. 

      The white color of the perivascular feet

    • E. 

      The covering of ependymal cells


  • 16. 
    The condition is a disorder of the peripheral nervous system characterized by muscle weakness that begins in the distal limbs, but rapidly advances to involve proximal muscles as well.
    • A. 

      Guillani-Barre syndrome

    • B. 

      Parkinson Disease

    • C. 

      Multiple sclerosis

    • D. 

      Amyotrophic lateral sclerosis

    • E. 

      None of the choices are correct


  • 17. 
    The upper motor neurons that control skeletal muscles begin with a soma in
    • A. 

      The posterior horn of the spinal cord

    • B. 

      The anterior horn of the spinal cord

    • C. 

      The motor association cortex of the cerebrum

    • D. 

      The postcentral gyrus of the cerebrum

    • E. 

      The precentral gyrus of the cerebrum


  • 18. 
    Many  upper motor neurons synapse with lower motor neurons in
    • A. 

      The posterior horns

    • B. 

      The anterior horns

    • C. 

      The posterior column

    • D. 

      The anterior column

    • E. 

      The posterior root ganglion


  • 19. 
    Cerebrospinal fluid fills in the space between
    • A. 

      Dural sheath and dura mater

    • B. 

      Dural sheath and veterbral bones

    • C. 

      Dura mater and arachnoid mater

    • D. 

      Arachnoik mater and pia mater

    • E. 

      Dura mater and pia mater


  • 20. 
    A ganglion is a
    • A. 

      Bundle of axons in the CNS

    • B. 

      Cluster of dendrites in either the CNS of the PNS

    • C. 

      Cluster of neurosomas in the PNS

    • D. 

      Bundle of axons in the PNS

    • E. 

      Cluster of neurosomas in the CNS


  • 21. 
    There are ____ pairs of spinal nerves.
    • A. 

      12

    • B. 

      24

    • C. 

      31

    • D. 

      35

    • E. 

      62


  • 22. 
    The cardiac, vasomotor and repiratory centers are found in
    • A. 

      The medulla oblongata

    • B. 

      The pons

    • C. 

      The midbrain

    • D. 

      The spinal cord

    • E. 

      The diencephalon


  • 23. 
    Which of the following contains the nucleus?
    • A. 

      Axon

    • B. 

      Dendrite

    • C. 

      Cell body

    • D. 

      None of these


  • 24. 
    Which part of a neuron carries impulse away from the cell body?
    • A. 

      Axon

    • B. 

      Dendrite

    • C. 

      Nucleus

    • D. 

      Neuroglia


  • 25. 
         a bundle of parallel axons in the CNS is called a
    • A. 

      Nerve

    • B. 

      Dendrite

    • C. 

      Tract

    • D. 

      Ganglion


  • 26. 
    Within the perpheral nervous system, the myelin sheath is formed by
    • A. 

      Schwann Cells

    • B. 

      Oligodendrocytes

    • C. 

      Microglial cells

    • D. 

      Astrocytes


  • 27. 
    An interneuron carries impulses
    • A. 

      To muscle and glands

    • B. 

      To the CNS

    • C. 

      Always within the CNS


  • 28. 
    A motor neuron carries impulse
    • A. 

      To muscles and glands

    • B. 

      To the CNS

    • C. 

      Always within the CNS


  • 29. 
    What ion is found on the outside of the neuron membrane that mostly contributes to a postive resting potential?
    • A. 

      Calcium

    • B. 

      Potassium

    • C. 

      Sodium

    • D. 

      Chloride


  • 30. 
    The resting potential of a neuron is measured at
    • A. 

      +70 millivolts

    • B. 

      +1.5 volts

    • C. 

      -45 millivolts

    • D. 

      -70 millivolts


  • 31. 
    What system keeps the neuron at resting potential?
    • A. 

      Osmosis

    • B. 

      Pinocytosis

    • C. 

      Sodium-potassium pump

    • D. 

      Facilitated diffusion


  • 32. 
    An action potential begins with a
    • A. 

      Stimulus

    • B. 

      Depolarization

    • C. 

      Repolarization

    • D. 

      Refractory period


  • 33. 
    A stimulus will open ion channels that will allow _________ to flow into the neuron, causing the inside to become _______ charged.
    • A. 

      Sodium, negatively

    • B. 

      Sodium, positively

    • C. 

      Potassium, negatively

    • D. 

      Potassium, positively


  • 34. 
    During depolorization
    • A. 

      Potassium ions move outside the neuron

    • B. 

      Sodium ions move inside the neuron

    • C. 

      Electrons stream along the axon

    • D. 

      Calcium ions move inside the neuron


  • 35. 
    During  repolarization
    • A. 

      Chloride ions move outside the neuron

    • B. 

      Sodium ions move inside the neuron

    • C. 

      Potassium ions move outside the neuron

    • D. 

      Electrons stop moving alon the axon


  • 36. 
    What does the action potential consist of ?
    • A. 

      Depolarization

    • B. 

      Repolarization

    • C. 

      Resting potential

    • D. 

      Depolarization and repolarization


  • 37. 
    The "jumping" of an action potential from one node of Ranvier to the next node is called
    • A. 

      Point to point conduction

    • B. 

      Refractory conduction

    • C. 

      Saltatory conduction

    • D. 

      Summary conduction


  • 38. 
    The small gap between two successive neurons is called the
    • A. 

      Synaptic cleft

    • B. 

      Axon terminal

    • C. 

      Dendrite terminal

    • D. 

      Neurotransmitter


  • 39. 
    What flows across the synaptic cleft?
    • A. 

      Sodium ions

    • B. 

      Electrons

    • C. 

      A neurotransmitter

    • D. 

      Potassium ions


  • 40. 
    What triggers the release of a neurotransmitter from the presynaptic neuron vesicles?
    • A. 

      Sodium ions

    • B. 

      Potassium ions

    • C. 

      Electrons

    • D. 

      Calcium ions


  • 41. 
    Which of the following is a common neurotransmitter?
    • A. 

      Acetylcholine

    • B. 

      Acetylcholinesterase

    • C. 

      An enzyme

    • D. 

      Acetylcholinesterase and an enzyme


  • 42. 
    What is the role of acetylcholinesterase at a synapse?
    • A. 

      It stimulated the post-synaptic neuron

    • B. 

      It breaks down acetylcholine

    • C. 

      It releases calcium ions

    • D. 

      All of the choices are roles


  • 43. 
    In which direction does the transmission cross a synapse?
    • A. 

      Dendrite to axon

    • B. 

      Axon to dendrite

    • C. 

      Either way

    • D. 

      Both ways


  • 44. 
    Which disease is due, in part, to reduced amounts of acetylcholine in the brain?
    • A. 

      Parkinson's disease

    • B. 

      Huntington's disease

    • C. 

      Alzheimer's disease

    • D. 

      All of the choices are correct


  • 45. 
    Tracts of myelinated axons in the CNS make up the
    • A. 

      White matter

    • B. 

      Gray matter

    • C. 

      Cerebrospinal fluid

    • D. 

      Ventricles


  • 46. 
    The protective membranes around the brain and the spinal cord are the
    • A. 

      Ventricles

    • B. 

      Meninges

    • C. 

      Serous membranes

    • D. 

      Arbor vitae


  • 47. 
    Which of the following is the correct layering of the meninges from the superficial to deep?
    • A. 

      Dura mater, pia mater, arachnoid mater

    • B. 

      Pia mater, dura mater, arachnoid mater

    • C. 

      Dura mater, arachnoid mater, pia mater

    • D. 

      Arachnoid mater, dura mater, pia mater


  • 48. 
    The tough outer meninx is the
    • A. 

      Dura mater

    • B. 

      Arachnoid mater

    • C. 

      Pia mater


  • 49. 
    The space between the arachnoid and pia maters that is filled with cerebrospinal fluid is the
    • A. 

      Dural venous sinus

    • B. 

      Subdural space

    • C. 

      Subarachnoid space

    • D. 

      Epidural space


  • 50. 
    Cerebrospinal fluid is produced by
    • A. 

      Dural mater

    • B. 

      Pia mater

    • C. 

      Ventricles

    • D. 

      Ependymal cells


  • 51. 
    What do the ventricles of the brain contain?
    • A. 

      Meninges

    • B. 

      Dura mater

    • C. 

      Cerebrospinal fluid

    • D. 

      Meninges and dura mater


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