Chapter 12 The Central Nervous System (Mastering A&P)

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lonelygirl
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212537
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Chapter 12 The Central Nervous System (Mastering A&P)
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2013-05-08 05:04:26
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Biology Anatomy Physiology
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Biology 103 A
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  1. Which of the following is NOT associated with region B, primary motor cortex?

    A. origin of corticospinal tracts
    B. cell bodies of pyramidal neurons
    C. conscious control of skeletal muscles
    D. post-central gyrus

    D. post-central gyrus
    (this multiple choice question has been scrambled)
  2. What structure is indicated by B?

    A. corpus callosum
    B. pyramidal tracts
    C. lateral ventricles
    D. association fibers

    A. corpus callosum
    (this multiple choice question has been scrambled)
  3. Which of the following are motor areas of the cerebral cortex that lie in the posterior part of the frontal lobes and control voluntary movement?

    A. primary motor cortex; premotor cortex; prefrontal cortex; gustatory cortex
    B. Broca's area; posterior association area; auditory areas; visual areas
    C. primary somatosensory cortex; somatosensory association cortex; visual areas
    D. primary motor cortex; premotor cortex; Broca's area; frontal eye field
    D. primary motor cortex; premotor cortex; Broca's area; frontal eye field
    (this multiple choice question has been scrambled)
  4. Patients who have lesions involving Broca's area __________.

    A.do not understand written communications, but they can speak clearly and intelligibly
    B. do not understand language
    C. can understand language, but have difficulty speaking
    D. can communicate through writing or sign language, but they cannot speak
    C. can understand language, but have difficulty speaking
    (this multiple choice question has been scrambled)
  5. Which type of glial cells are shown in this figure?

    A. ependymal cells
    B. oligodendrocytes
    C. microglia
    D. astrocytes

    A. ependymal cells
    (this multiple choice question has been scrambled)
  6. Which protective covering of the brain provides passageways for cerebrospinal fluid (CSF) to drain into the superior sagittal sinus?

    A. membranous part of the dura mater
    B. arachnoid mater
    C. periosteal part of the dura mater
    D. pia mater
    B. arachnoid mater
    (this multiple choice question has been scrambled)
  7. Which of the following regions of the brain provides the precise timing and appropriate patterns of skeletal muscle contraction for the smooth, coordinated movements and agility that are needed for our daily living?

    A. cerebellum
    B. pons
    C. midbrain
    D. medulla oblongata
    A. cerebellum
    (this multiple choice question has been scrambled)
  8. Which of the following is NOT a feature of the major spinal cord tracts (pathways)?

    A. relay
    B. memory
    C. somatotopy
    D. decussation
    B. memory
    (this multiple choice question has been scrambled)
  9. What part of the spinal cord represents the collection of nerve roots at the inferior end of the vertebral canal?

    A. cervical enlargement
    B. lumbar enlargement
    C. conus medullaris
    D. cauda equina
    D. cauda equina
    (this multiple choice question has been scrambled)
  10. After Joe has a stroke, his doctor asks Joe to touch his right pointer finger to his chin—but Joe is unable to move his right hand. However, when the doctor stimulates Joe's pointer finger with a painful stimulus, Joe's muscles quickly move his hand away from the stimulus. The doctor concludes that ______.

    A. the stroke caused damage to Joe's frontal eye field which interfered with his effort to touch his chin
    B. the stroke caused damage to Joe's left premotor cortex
    C. the stroke caused damage to Joe's right primary motor cortex
    D. based on the doctor's observations, none of the listed answers are correct conclusions
    D. based on the doctor's observations, none of the listed answers are correct conclusions
    (this multiple choice question has been scrambled)
  11. Which of the following hypothalamic control centers would you predict is the LEAST important for survival?

    A. thirst center
    B. autonomic control center
    C. suprachiasmatic nucleus
    D. temperature control center
    C. suprachiasmatic nucleus
    (this multiple choice question has been scrambled)
  12. Which of the following is a characteristic of a coma but is NOT a characteristic of sleep?

    A. irreversible brain damage
    B. absence of brain waves ("flat EEG")
    C. continuously reduced mitochondrial activity in brain neurons
    D. All of the listed responses are correct.
    C. continuously reduced mitochondrial activity in brain neurons
    (this multiple choice question has been scrambled)
  13. Which letter indicates the primary visual cortex?



    A
    B
    C
    D
     
    D
  14. Region A includes which of the following?



    A. Primary motor cortex
    B. Broca's area
    C. Pre-frontal cortex
    D. Primary somatosensory cortex
    C. Pre-frontal cortex
    (this multiple choice question has been scrambled)
  15. The groove indicated by C is the _________.



    A. post-central gyrus
    B. transverse fissue
    C. central sulcus
    D. longitudinal fissure
    C. central sulcus
    (this multiple choice question has been scrambled)
  16. The cortical regions indicated by E are involved in which functions?



    A. The generation of emotional responses.
    B. The production and interpretation
    of language.
    C. The control centers for homeostatic and endocrine functions.
    D. The storage of motor patterns for skilled movements of skeletal muscles.
    B. The production and interpretation of language.
  17. Which of the following describes the specific projection fibers indicated by C?



    A. upper motor neurons
    B. lower motor neurons
    C. first-order sensory neurons
    D. third-order sensory neurons
    A. upper motor neurons
    (this multiple choice question has been scrambled)
  18. Which of the following is true of the cerebral hemispheres of the human brain?

    A. The longitudinal fissure separates the cerebral hemispheres from the cerebellum.
    B. Nearly the entire surface of the cerebral hemispheres is marked by elevated ridges called sulci.
    C. The cerebral hemispheres account for about 83% of total brain mass.
    D. Nearly the entire surface of the cerebral hemispheres is marked by shallow grooves called gyri.
    C. The cerebral hemispheres account for about 83% of total brain mass.
    (this multiple choice question has been scrambled)
  19. Which of the following is NOT one of the three types of functional areas within the cerebral cortex?

    A. sensory areas
    B. visual areas
    C. motor areas
    D. association areas
    B. visual areas
    (this multiple choice question has been scrambled)
  20. Which of the following areas of the brain is responsible for spatial discrimination?

    A. gustatory cortex
    B. vestibular cortex
    C. primary somatosensory cortex
    D. Broca's area
    C. primary somatosensory cortex
    (this multiple choice question has been scrambled)
  21. Which part of the brain is the "executive suite" for all brain activity?

    A. diencephalon
    B. cerebellum
    C. cerebral cortex
    D. brain stem
    C. cerebral cortex
    (this multiple choice question has been scrambled)
  22. Which type of white matter fiber tract connects the two cerebral hemispheres?

    A. internal capsules
    B. projection fibers
    C. commissures
    D. association fibers
    C. commissures
    (this multiple choice question has been scrambled)
  23. Which part of the brain is considered the "gateway" to the cerebral cortex?

    A. mesencephalon
    B. thalamus
    C. hypothalamus
    D. pons
    B. thalamus
    (this multiple choice question has been scrambled)
  24. Which of the following best describes the hypothalamus?

    A. visceral control center of the body
    B. somatic motor control center
    C. gateway to the cerebellum
    D. relay station for the special senses
    A. visceral control center of the body
    (this multiple choice question has been scrambled)
  25. Which part of the brain stem houses the reflex centers for respiration and cardiovascular functioning?

    A. reticular formation
    B. medulla oblongata
    C. midbrain
    D. pons
    B. medulla oblongata
    (this multiple choice question has been scrambled)
  26. Which part of the brain processes inputs received from the cerebral motor cortex, brain stem nuclei, and various sensory receptors, and then uses this information to coordinate somatic motor output so that smooth, well-timed movements occur?

    A. cerebellum
    B. thalamus
    C. diencephalon
    D. pons
    A. cerebellum
    (this multiple choice question has been scrambled)
  27. Which meninx is a delicate connective tissue membrane that clings tightly to the brain like cellophane wrap following its every convolution?

    A. periosteal layer of the dura mater
    B. pia mater
    C. arachnoid mater
    D. meningeal layer of the dura mater
    B. pia mater
    (this multiple choice question has been scrambled)
  28. The neural fibers connecting structure A to the cerebral cortex can be described by which of the following?



    A. upper motor neurons
    B. first-order sensory neurons
    C. third-order sensory neurons
    D. lower motor neurons
    C. third-order sensory neurons
    (this multiple choice question has been scrambled)
  29. Which of the following accurately describes the collection of spinal cord tracts illustrated in the figure?



    A. association fibers
    B. efferent fibers
    C. ascending tracts
    D. descending tracts
    C. ascending tracts
    (this multiple choice question has been scrambled)
  30. Which of the following describes the nerve fibers indicated by the letter A?



    A. first-order sensory neurons
    B. lower motor neurons
    C. upper motor neurons
    D. third-order sensory neurons
    A. first-order sensory neurons
    (this multiple choice question has been scrambled)
  31. What type of receptor is indicated by the letter B?



    A. temperature receptor
    B. proprioceptor
    C. touch receptor
    D. pain receptor
    B. proprioceptor
    (this multiple choice question has been scrambled)
  32. What function is most closely associated with the spinal cord tract indicated by the letter C?



    A. response to skeletal muscle pain
    B. initiation of skeletal muscle movements
    C. initiation of smooth muscle movements
    D. coordination of skeletal muscle movements
    D. coordination of skeletal muscle movements
    (this multiple choice question has been scrambled)
  33. The fiber tracts indicated by the letter D will terminate in the ______.



    A. primary somatosensory cortex
    B. primary motor cortex
    C. thalamus
    D. medulla oblongata
    C. thalamus
    (this multiple choice question has been scrambled)
  34. What descending pathway originates at the position indicated by the leader line?



    A. spinothalamic tracts
    B. spinocerebellar tracts
    C. pyramidal tracts
    D. extrapyramidal tracts
    C. pyramidal tracts
    (this multiple choice question has been scrambled)
  35. Many of the descending fibers indicated in this figure cross over (decussate) to the opposite side of the body in which of the following?



    A. thalamus
    B. cerebellum
    C. peripheral nervous system
    D. medulla
    D. medulla
    (this multiple choice question has been scrambled)
  36. The descending fibers in the figure provide for which of the following functions?



    A. involuntary control of smooth muscle
    B. subconscious control of skeletal muscle
    C. conscious awareness of sensory information
    D. involuntary control of cardiac muscle
    E. conscious control of skeletal muscle
    E. conscious control of skeletal muscle
    (this multiple choice question has been scrambled)
  37. Select the true statement regarding first-order neurons.

    A. First-order neuron cell bodies reside in a ganglion.
    B. First-order neuron cell bodies reside in the dorsal horn of the spinal cord.
    C. First-order neuron cell bodies reside in the anterior horn of the spinal cord.
    D. First-order neurons have cell bodies in the thalamus.
    A. First-order neuron cell bodies reside in a ganglion.
    (this multiple choice question has been scrambled)

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