Test 4 Brain & Cranial Nerves

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Test 4 Brain & Cranial Nerves
2011-12-04 20:33:47

A&P 1
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  1. Which of the following statements concerning the brainstem is true?
    C) Damage to the brainstem is usually fatal.
  2. In the CNS, clusters of gray matter containing cell bodies are called
    A) nuclei.
  3. The fact that the right side of the brain controls the left side of the body is explained by the
    C) decussation of the pyramids in the medulla.
  4. Which of the following is correctly associated with the medulla oblongata?
    B) It contains nuclei for regulation of heart rate and blood vessel diameter.
  5. The pyramids of the medulla contain
    B) descending motor tracts.
  6. Walking a tightrope would activate what portion of the medulla? A)the pyramids B)the superior colliculi C)the olives
    E) both A and C
  7. Consider the following five terms and determine which does not belong.
    B) pons
  8. A patient with a traumatic head injury may exhibit vomiting as a result of irritation of nuclei in the
    C) medulla oblongata.
  9. A small lesion in the brainstem which resulted in a rapid heart rate, intense vasoconstriction, and elevated blood pressure would probably be located in the
    A) medulla oblongata
  10. The part of the brain that connects the medulla to the midbrain is the
    B) pons.
  11. The nucleus for the facial nerve (cranial nerve VII) is located in the
    A) pons.
  12. Damage to pontine nuclei might affect
    E) heart rate.
  13. Which two portions of the brain are involved in controlling respiration?
    C) pons, medulla oblongata
  14. The nuclei of cranial nerves III and IV are located in the
    C) midbrain.
  15. The superior and inferior colliculi are located in which of the following portions of the midbrain?
    E) tectum (roof)
  16. The inferior colliculi
    B) are involved with auditory pathways in the CNS.
  17. The superior colliculi receive input from the
    A) eyes, skin, cerebrum and inferior colliculi.
  18. When you walk up behind someone and tap their right shoulder, they will reflexly
    E) turn their head toward the right.
  19. A bird hits the windshield of your car and you reflexly duck and close your eyes. Which of the following is responsible for this action?
    B) superior colliculus
  20. The substantia nigra interconnects with the
    A) basal nuclei.
  21. A lesion in the cerebral peduncles might affect
    B) movement.
  22. The sleep/wake cycle is influenced by the
    B) reticular formation.
  23. The reticular formation
    C) maintains alertness and attention.
  24. Which of the following activities would stimulate the reticular formation?
    B) a clock radio coming on in the morning
  25. During an autopsy the brainstem was separated from the rest of the brain by a cut between the
    C) midbrain and diencephalon.
  26. The cerebellum communicates with other parts of the CNS by means of nerve tracts called the
    C)cerebellar peduncles.
  27. The portion of the cerebellum that is involved in balance and eye movements is the
    B) flocculonodular lobe.
  28. Smooth, flowing movements are the result of fine motor coordination in the
    C) lateral cerebellar hemispheres.
  29. Which of the following is not a function of the cerebellum?
    C) control the heart rate
  30. A person with a lesion in the brain exhibited the following manifestations: normal tension in skeletal muscle, disturbed fine motor control, exhibited tremors when reaching forobjects. What part of the brain is most likely damaged?
    E) the cerebellum
  31. The intermediate mass connects the two portions of the
    A) thalamus.
  32. The habenular nuclei and pineal body are both found in the
    B) epithalamus.
  33. Which of the following is false?
    C) The thalamus controls many endocrine functions.
  34. Most sensory input that ascends through the spinal cord and brainstem projects to the
    C) thalamus.
  35. The mammillary bodies
    C) are involved in emotional responses to odors.
  36. Injury to the thalamus would
    C) probably overload the cerebrum with sensory information.
  37. Afferent fibers terminating in the hypothalamus provide input from the:
    A)visceral organs. B)taste receptors of the tongue. C)limbic system.
    D)the prefrontal cortex of the cerebrum
    E) all of these
  38. An individual who has an eating disorder along with intense thirst and wildly varying body temperatures may have a dysfunction of the
    D) hypothalamus.
  39. A 13-year-old child exhibited retarded growth, reduced metabolism, lack of normalreproductive gland development, inability to regulate water intake or water elimination from the body, and an uncontrolled appetite. What part of the child’s brain is most likely involved?
    E) hypothalamus
  40. Arrange the following in order from the diencephalon downward.
    1. spinal cord 2. midbrain 3. medulla
    4. pons
    B) 2, 4, 3, 1
  41. Which of the following feelings is not related to hypothalamic function?
    D) pleasant memories
  42. Which of the following is a function of the hypothalamus?
    B) involved in psychosomatic illnesses
  43. The pineal body
    D) appears to play a role in controlling the onset of puberty.
  44. The cerebral gyri increase
    B) the surface area of the cortex.
  45. The central sulcus separates the
    B)frontal and parietal lobes.
  46. The lateral fissure separates the _____ from the rest of the cerebrum.
    D) temporal lobe
  47. Which of the following is not a lobe of the cerebrum?
    D) sphenoidal
  48. The gray matter on the outer surface of the cerebrum is called the
  49. During brain surgery, the superior portion of the postcentral gyrus of a patient is stimulated. The patient is most likely to
    D) feel pressure on his toes
  50. If an animal has had its cerebrum removed, it cannot
    A) see.
  51. Association fibers connect
    C) areas of the cerebral cortex within the same hemisphere.
  52. Tracts of white matter that connect the right and left hemispheres are composed of
    C) commissural fibers.
  53. The cerebral medulla
    C) consists of many nerve tracts of white matter beneath the cerebral cortex.
  54. The primary somatic sensory or general sensory area is located in
    A) the postcentral gyrus.
  55. Which of the following activities is not associated with the cerebrum?
    B) acting as a control center of the autonomic nervous system
  56. The corpus callosum
    C) cerebral hemisphere.is a band of commissural fibers that connects the right cerebral hemisphere to the left
  57. Which of the following basal nuclei is located in the cerebrum?
    C) caudate nucleus
  58. Lesions of the basal nuclei could cause
    D) a slight shaking of the hands or head.
  59. The basal nuclei function to
    C) inhibit unwanted muscular activity.
  60. The limbic system involves various neural connections between
    C) the cerebrum and diencephalon.
  61. The limbic system
    B) is associated with basic survival instincts of food acquisition and reproduction.
  62. The most superficial meningeal layer is
    C) the dura mater.
  63. Cerebrospinal fluid fills the
    A) subarachnoid space.
  64. Which of the following pairs is mismatched?
    B) tentorium cerebelli - base of brain
  65. Cerebrospinal fluid is formed by tissue in the walls and roofs of the
    D) ventricles of the brain.
  66. Cerebrospinal fluid is produced by the ____ and is reabsorbed by the ____.
    A) choroid plexus, arachnoid granulation
  67. If cerebrospinal fluid does not drain properly,
    the excess fluid exerts pressure on the brain.
  68. The cerebrum develops from the embryonic region called the
    A) telencephalon.
  69. Cranial nerve function includes
    A) somatic motor.
  70. The Roman numerals assigned to each cranial nerve reflect
    B) the sequence from anterior to posterior in which they emerge from the brain.
  71. Which of the following cranial nerves is exclusively sensory?
    A) vestibulocochlear (VIII)
  72. The oculomotor nerve
    B) adjusts pupil size to the level of lighting.
  73. Which of the following would help to determine if the oculomotor nerve was damaged?
    C) have the patient look superiorly and inferiorly
  74. Ptosis (drooping of the upper eyelid) of the left eye would be caused by damage to the
    D) oculomotor nerve.
  75. The abducens nerves
    B)are involved in eye movement.
  76. A kiss on the cheek would be perceived by impulses from the
    C) trigeminal nerve.
  77. Difficulty with chewing or an inability to chew might result from damage to the
    D) trigeminal nerve.
  78. Dentists anesthetize a portion of the _____ nerve to stop pain impulses from the teeth.
    B) trigeminal
  79. Which of the following cranial nerves innervates only one muscle of the eyeball?
    C) trochlear nerve
  80. Facial expression is regulated by the
    A) facial nerve.
  81. Paralysis on the right side of the face could result from damage to the right _____ nerve.
    B) facial
  82. A baseball player was hit on the left side of his skull in the parotid area. He cannot close his eye and the corner of his mouth droops. Which cranial nerve was damaged?
    A) facial
  83. A deer hunter lost the hearing in his right ear after his gun exploded when he tried firing it. His hearing loss is the result of damage to the nerve?
    E) vestibulocochlear
  84. The glossopharyngeal nerve
    B) is involved in the sense of taste.
  85. The facial and glossopharyngeal nerves
    A) innervate the salivary glands.
  86. Motor control of the face is the function of the ____ nerve, while sensation from the face is determined by the ____ nerve.
    A) facial, trigeminal
  87. Damage to branches of the _____ nerve can interfere with normal speech.
    B) vagus
  88. Which nerve has branches that extend to the thoracic and abdominal viscera?
    B) vagus nerve
  89. Damage to which of the following cranial nerves might result in death?
    B) vagus nerve
  90. Which of the following cranial nerves does not innervate the tongue?
    C) accessory
  91. Unilateral damage to a cranial nerve is suspected because the tongue deviates to the right when it is protruded. Which cranial nerve is damaged?
    A) right hypoglossal
  92. The accessory nerve
    A)has fibers that join the vagus nerve. B)has both a cranial and a spinal component. C)provides innervation to the trapezius and sternocleidomastoid muscles. D)is cranial nerve XI.
    E) all of the above
  93. Dysfunction of the sternocleidomastoid muscle could result from damage to the
    C) accessory nerve.
  94. A fracture of the cribriform plate might injure the _____ cranial nerve?
    C) olfactory
  95. When you lick frosting off a knife with the tip of your tongue and find the frosting has an orange flavor to it, which cranial nerve is being used to determine the taste of the frosting?
    A) facial
  96. Which of the following cranial nerves has a parasympathetic component?
    A) facial
  97. reception and integration of visual input
    occipital lobe
  98. plays an important role in memory
    temporal lobe
  99. reception and integration of visual input
    occipital lobe
  100. somesthetic center
    parietal lobe
  101. A)diencephalon
    B)mesencephalon - thalamus and hypothalamus-midbrain
    C)metencephalon- cerebellum
    D)myelencephalon - medulla oblongata
    E)telencephalon- cerebrum
  102. pneumotaxic center- pons
    corpora quadrigemina- midbrain
    vermis- cerebellum
    pyramids- medulla oblongata
    red nuclei- midbrain
    arbor vitae- cerebellum
    substantia nigra- midbrain
    olives- medulla oblongata
    pineal body- diencephalons
    cerebral peduncles- midbrain
    hypothalamus- diencephalons
  103. The forebrain identified in early embryos is called the __________.
  104. The __________ is the part of the brain between the brainstem and the cerebrum.
  105. Cortical areas involved in recognition and integration are called __________ areas.
  106. Nerve tracts that connect the two hemispheres are called __________.
  107. The cingulate gyrus is part of the __________ system.
  108. The fluid produced by the choroid plexuses is __________.
    cerebrospinal fluid
  109. Sensory impulses from the thoracic and abdominal organs are carried via the ________ nerve.
  110. Constriction of the pupils of the eyes is controlled by the ________nerve.
  111. Wind blowing on the face would be perceived by sensations from the ________ nerve.
  112. The facial and glossopharyngeal nerves both are involved in the sensation of ________ .
  113. Sensory impulses from the thoracic and abdominal organs are carried via the ________ nerve.