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Chapter 10: Nervous System

53 Questions
Chapter 10: Nervous System

Anatomy Chapter 10: Nervous Tissue: Nervous Tissue and Brain

Questions and Answers
  • 1. 
    • A. 

      Synapes

    • B. 

      Axons

    • C. 

      Dendrites

    • D. 

      Nodes of Ranvier

  • 2. 
    • A. 

      Tips of the dendrites

    • B. 

      Cell body

    • C. 

      Postsynaptic receptors

    • D. 

      Axon terminals

  • 3. 
    • A. 

      Vesicle

    • B. 

      Cell body

    • C. 

      Synapse

    • D. 

      Node of Ranvier

  • 4. 
    What is the name of the enzyme that destroys acetylcholine?
    • A. 

      Dopamine

    • B. 

      ACh

    • C. 

      Acetylcholinesterase

    • D. 

      Norepinephrine

  • 5. 
    What term describes the hopping of the action potential (nerve impulse) along the axon from one node (of Ranvier) to the next?
    • A. 

      Myelination

    • B. 

      Depolarization

    • C. 

      Saltatory conduction

    • D. 

      Repolarization

  • 6. 
    The primary somatosensory area and the primary motor area are seperated by
    • A. 

      Broca's area

    • B. 

      The cecntral sulcus

    • C. 

      The pia mater

    • D. 

      The longitudinal fissure

  • 7. 
    There are four major areas of the brain: the cerebrum, diencephalon, brain stem, and the
    • A. 

      Hypothalamus

    • B. 

      Medulla oblongata

    • C. 

      Limbic system

    • D. 

      Cerebellum

  • 8. 
    The frontal, temporal, occipital, and parietal lobes form the
    • A. 

      Brain stem

    • B. 

      Cerebrum

    • C. 

      Cerebellum

    • D. 

      Reticular formation

  • 9. 
    • A. 

      Olfactory

    • B. 

      Visual

    • C. 

      Motor

    • D. 

      Language

  • 10. 
    The midbrain, pons, and medulla oblongata are referred to as the
    • A. 

      Diencephalons

    • B. 

      Brain stem

    • C. 

      Limbic system

    • D. 

      Emotional brain

  • 11. 
    • A. 

      Parkinson's disease

    • B. 

      Blindness

    • C. 

      Respiratory depression

    • D. 

      Hypertension

  • 12. 
    Endorphins
    • A. 

      Natural morphine-like substances that can reduce anxiety and induce a sense of well-being

    • B. 

      Energy sources much like ATP

    • C. 

      Secreted by the choroi plexus and circulated within the subarachnoid space

    • D. 

      Waste products generated by depolarizing neurons

  • 13. 
    The surface of the cerebrum is folded into elevations that resemble speed bumps; these speed bumps are called
    • A. 

      Fissures

    • B. 

      Sulci

    • C. 

      Foramen

    • D. 

      Convultions, or gyri

  • 14. 
    The depression between the convolutions of the cerebrum is called a
    • A. 

      Pons

    • B. 

      Gyrus

    • C. 

      Sulces

    • D. 

      Corpus callosum

  • 15. 
    The medulla oblongata descends as the
    • A. 

      Diencephalons

    • B. 

      Hpothalamus

    • C. 

      Cerebellum

    • D. 

      Spinal cord

  • 16. 
    The pituitary gland sits beneath the
    • A. 

      Medulla oblongata

    • B. 

      Brain stem

    • C. 

      Hypothalamus

    • D. 

      Cerebellum

  • 17. 
    Which of the following best describes the arachnoid mater?
    • A. 

      Limbic system

    • B. 

      Meninges

    • C. 

      Blood-brain barrier

    • D. 

      Cranium

  • 18. 
    The corpus callosum
    • A. 

      Connects the right and left hemispheres

    • B. 

      Connects the hypothalumus to the posterior pituitary gland

    • C. 

      Lines the cerebral ventricles

    • D. 

      Connects the brain stem to the cerebellum

  • 19. 
    In which cerebral lobe is Broca's area located?
    • A. 

      Parietal

    • B. 

      Occipital

    • C. 

      Frontal

    • D. 

      Temporal

  • 20. 
    • A. 

      Broca's area

    • B. 

      Cerebellum

    • C. 

      Reticular activating system

    • D. 

      Thalamus

  • 21. 
    • A. 

      Is a brain stem structure

    • B. 

      Is a cerebellar structure

    • C. 

      Contains the primary auditory cortex

    • D. 

      Is a large mass of white matter that joins the right and left cerebral hemispheres

  • 22. 
    The occipital lobe
    • A. 

      Is a brain stem structure

    • B. 

      Performs the "executive" functions

    • C. 

      Is called the vital center

    • D. 

      Contains the primary visual cortex

  • 23. 
    The nodes of Ranier
    • A. 

      Are located along the postsynaptic membrane

    • B. 

      Increase the speed of the action potential

    • C. 

      Synthesize the neurotransmitter acetylcholine

    • D. 

      Store ACh in tiny vesicles

  • 24. 
    Which of the following is located within the subarachnoid space?
    • A. 

      Blood

    • B. 

      Lymph

    • C. 

      Cerebrospinal fluid

    • D. 

      Cytoplasm

  • 25. 
    • A. 

      Synthesize neurotransmitters such as ACh

    • B. 

      Form cerebrospinal fluid

    • C. 

      Phagocytose debris

    • D. 

      Secrete myelin

  • 26. 
    Which of the following is the type of nervous tissue that conducts a nerve impulse?
    • A. 

      Astrocyte

    • B. 

      Neuroglia

    • C. 

      Neuron

    • D. 

      Ependymal cell

  • 27. 
    The astrocytes
    • A. 

      Support and protect the neurons and help to form the blood-brain barrier

    • B. 

      Secrete myelin

    • C. 

      Secrete cerebrospinal fluid

    • D. 

      Are concentrated within the choroid process

  • 28. 
    What is the name of clusters of cell bodies that are located outside the central nervous system?
    • A. 

      Glia

    • B. 

      Nodes of Ranvier

    • C. 

      Nuclei

    • D. 

      Ganglia

  • 29. 
    What is the fatty insulating material that surrounds the axons?
    • A. 

      Glia

    • B. 

      Choroid plexus

    • C. 

      Myelin sheath

    • D. 

      Sarcolemma

  • 30. 
    Which of the following is most related to "saltory conduction"
    • A. 

      Dendrites

    • B. 

      Choroid plexus

    • C. 

      Nodes of Ranvier

    • D. 

      Astrocytes

  • 31. 
    Which of the following structures brings information toward the cell body?
    • A. 

      Dendrites

    • B. 

      Axons

    • C. 

      Nodes of Ranvier

    • D. 

      Axon terminals

  • 32. 
    What makes white matter "white"?
    • A. 

      Cell bodies

    • B. 

      Neurotransmitters

    • C. 

      Synapses

    • D. 

      Myelin sheath

  • 33. 
    The inside of the unstimulated neuron is negative; this electrical charge is due to the outward leak of potassium and is called
    • A. 

      Depolarization

    • B. 

      The action potential

    • C. 

      The resting membrane potential

    • D. 

      The refracory period

  • 34. 
    • A. 

      Repolarization

    • B. 

      Refractory period

    • C. 

      Depolarization

    • D. 

      Saltatory conduction

  • 35. 
    What is the term applied to the inability of a neuron to accept a stimulus while the neuron is still depolarized?
    • A. 

      Repolarization

    • B. 

      Threshold potential

    • C. 

      Resting membrane potential

    • D. 

      Refractory period

  • 36. 
    The repolarizing phase of the action potential
    • A. 

      Means that the inside of the cell is becoming more positive

    • B. 

      Is due to the movement of sodium (Na+) into the cell

    • C. 

      Is due to the movement of potassium (K+) out of the cell

    • D. 

      Is due to the Na+/K+ pump located in the membrane

  • 37. 
    Which ofthe following is the convultion located on the frontal lobe anterior to the central sulcas?
    • A. 

      Broca's area

    • B. 

      Primary motor area

    • C. 

      Somatosensory area

    • D. 

      Visual cortex

  • 38. 
    What is the name of the motor speech area located in the frontal lobe?
    • A. 

      The brain stem

    • B. 

      The pons

    • C. 

      Broca's area

    • D. 

      The diencephalon

  • 39. 
    Which structure is also called the "emotional brain"?
    • A. 

      Cerebellum

    • B. 

      Basil ganglia

    • C. 

      Medulla oblongata

    • D. 

      Limbic system

  • 40. 
    The purpose of the Na+/K+ ATPase pump in the neuronal membrane is to
    • A. 

      Depolarize the membrane

    • B. 

      Repolarize

    • C. 

      Establish the Na+ and K+ gradiemts necessary for the development of an action potential

    • D. 

      Secrete myelin

  • 41. 
    This structure is part of the diencephalon; it regulates the anterior pituitary gland, water balance, appetite, body temperature, and the autonomic nervous system
    • A. 

      Cerebellum

    • B. 

      Pons

    • C. 

      Medulla oblongata

    • D. 

      Hypothalamus

  • 42. 
    This structure plays a key role in personality development and emotional and behaivoral expression; carries out the "executive" functions
    • A. 

      Cerebellum

    • B. 

      Frontal lobe

    • C. 

      Basal ganglia

    • D. 

      Medulla oblongata

  • 43. 
    Injury to the occipital lobe is most likely to cause
    • A. 

      Hearing loss

    • B. 

      Paralysis

    • C. 

      Loss of vision

    • D. 

      Disturbances in gait

  • 44. 
    Which structure is called the lateral, third, and fourth?
    • A. 

      Meninges

    • B. 

      Ventricles

    • C. 

      Cerebral lobes

    • D. 

      Parts of the brain stem

  • 45. 
    Which of the following contans cerebrospinal fluid?
    • A. 

      Central sulcas

    • B. 

      Precentral gyrus

    • C. 

      Broca's area

    • D. 

      Subarachnoid space

  • 46. 
    Which of the following is the middle layer of the meninges and looks like a spiderweb?
    • A. 

      Dura mater

    • B. 

      Arachnoid mater

    • C. 

      Pia mater

    • D. 

      Reticular formation

  • 47. 
    The corpus callosum
    • A. 

      Connects to the medulla oblongata and the spinal cord

    • B. 

      Is a band of gray mater that lines the ventricles

    • C. 

      Is the point at which all motor fibers decussate

    • D. 

      Connects the right and left cerebral hemispheres

  • 48. 
    Parkinson's Disease
    • A. 

      Is caused by a deficiency of dopamine within the basal ganglia

    • B. 

      Refers to any increase in intracranial pressure

    • C. 

      Is a demyelinating disease

    • D. 

      Is caused by a slow cerebral bleeding episode

  • 49. 
    The medulla oblongata descends into the vertebral cavity through the
    • A. 

      Corpus callosum

    • B. 

      Obturator foramen

    • C. 

      Central canal

    • D. 

      Foramen magnum

  • 50. 
    The postcentral gyrus
    • A. 

      Is the primary visual cortex

    • B. 

      Is located in the parietal lobe

    • C. 

      Contains the primary motor cortex

    • D. 

      Performs the "executive" functions

  • 51. 
    The precentral gyrus
    • A. 

      Is the primary motor area

    • B. 

      Is located in the parietal lobe

    • C. 

      Is called the vital center

    • D. 

      Contains the medulla oblongata

  • 52. 
    Broca's area
    • A. 

      Is concerned with motor speech

    • B. 

      Allows the person to hear and interpret sound

    • C. 

      Is located in the temporal lobe

    • D. 

      Coordinates eye movements as in scanning a page in a book

  • 53. 
    Frontal eye fields
    • A. 

      Perform a motor role regarding the eyes

    • B. 

      Receive sensory information from the optic nerve

    • C. 

      Allow the person to interpret visual information

    • D. 

      Determine the color of the eyes