CNS Quiz

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face12
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136467
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CNS Quiz
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2012-02-20 17:03:41
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ACC Christensen Physiology Spring 2012
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This is a quiz on CNS Notes and Power point for Exam 2
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  1. Spinal cord conveys sensory impulses from the body (from sensory receptors) to the brain

    A. True
    B. False
    A. True
  2. Spinal Cord conveys motor impulses away from the body (to muscles and glands).
    A. True
    B. True
    B. False
  3. Spinal cord also integrates information on its own, controlling spinal reflexes that occur without any brain involvement (more about reflexes later).

    A. True
    B. False
    A. True
  4. What protects the spinal cord?
    Bone
  5. The spinal cord ends in the 3rd lumbar vertebrae?

    A. True
    B. False
    B False (2nd Lumbar Vertebrae)
  6. What does the gray matter of spinal cord NOT include?

    A. Somas of Neurons
    B. Dendrites of Association and Motor Neurons
    C. Other Neurglial cells
    D. Myelinated axons
    D. Myelinated axons (Should be unmyelinated)
    (this multiple choice question has been scrambled)
  7. Which horn of spinal cord is sensory?
    A. Posterior gray horn
    B. Lateral gray horn
    C. Anterior gray horn
    A. Posterior
    (this multiple choice question has been scrambled)
  8. What Horn of Spinal cord is motor?
    A. Posterior gray horn
    B. Anterior gray horn
    C. Lateral gray horn
    B. Anterior gray horn
    (this multiple choice question has been scrambled)
  9. Where does the Lateral gray horn lead to?
    Organs
  10. What structure is composed of the soma of neurons from the sympathetic Nervous System (part of ANS-involuntary contronl)
    Lateral gray horn
  11. White matter Posterior sensory columns are?

    A. ascending
    B. Descending
    A. ascending
  12. White matter motor columns are ?

    A. Ascending
    B. Descending
    B. Descending
  13. Which white matter columns are composed of mixed tracts?
    Lateral columns
  14. Which Column (tract) help maintain skeletal muscle tone, posture, they play a major role in equilibrium by
    regulating muscle tone in response to movements of the head, and they convey impulses to skeletal muscles that result in precise movements?
    Anterior columns
  15. What are the 3 functions of CSF?
    • 1. protection - shock absorber (keeps brain from
    • hitting cranium)
    • 2. buoys the brain - brain & CSF are similar in
    • density; decreases weight of brain by 97%
    • 3. circulation - delivers nutritive substancesfiltered from blood & removes wastes produced by brain & spinalcord cells.
  16. Where is CSF produced?
    Choroid plexuses capillaries
  17. What is the function of the ependymal cells lining the ventricles(Choroid Plexus)?
    The ependymal cells help to modify CSF composition and help to circulate it; the walls of the capillaries and the ependymal cells make up a kind of double filter!
  18. What is the function of Arachnoid villi?
    Reabsorption of CSF
  19. List the order of Circulation of CSF
    • Circulation of CSF: 2 lateral ventricles à
    • third ventricle à cerebral aqueduct à fourth ventricle à central canal of spinal cord & subarachnoid space [CSF enters the subarachnoid space through apertures in the 4th ventricle]. It circulates in the subarachnoid space bathing the outside of the spinal cord and brain. In the subarachnoid space of the brain, CSF returns to the veins through reabsorption.
  20. What is the function of BBB?
    • Protective mechanism
    • that helps maintain a stable environment for the brain. Protects brain from chemical fluctuations in blood, minimizes possibility that harmful blood-borne substances might reach central nervous tissue, blocks certain circulating hormones that could act as neurotransmitters in the brain.
  21. What part of the CNS is the BBB absent? And how does it compensate for the lack thereof?
    • In some areas of the brain, like in the 3rd and 4th ventricles, it is almost absent as it is essential that neural tissue "taste" the chemical composition of the blood (ex.
    • the vomiting center in the medulla oblongata which monitors the blood for toxins; the respiratory center for controlling respiratory rate – if pH is too low, then respiratory rate is increased by the medulla).
  22. How do we get some drugs across BBB that do not normally cross the barrier?
    • First inject a concentrated glucose solution – this causes
    • endothelial cells of blood vessels shrink, opening up gaps between cells so that drugs can get through.
  23. Is the White/Gray Matter arrangemend in the brain the same as in the Spinal Cord?
    no its opposite
  24. The cerebral cortex includes Commissural,
    Association, & Projection Tracts.

    A. True
    B. False
    B. False
  25. The Basal nuclei includes: Sensory and motor areas

    A. True
    B. False
    B. False
  26. The Basal nuclei include Caudate nuclues, Putamane, and Globus pallidus

    A. True
    B. False
    A. True
  27. The diencephalon includes all except:

    A. Hypothalamus
    B. Pons
    C. Thalamus
    D. Pineal Gland
    E. Pineal Gland
    B. Pons
    (this multiple choice question has been scrambled)
  28. The brain stem includes all except:

    A. Caudate nucleus
    B. Pons
    C. Medulla oblongata
    D. Midbrain
    A. Caudate nucleus
    (this multiple choice question has been scrambled)
  29. Cerebral peduncles, corpora quadrigemina, substantia nigra are part of ?

    A. Pons
    B. Medulla oblongata
    C. Midbrain
    B. Midbrain
    (this multiple choice question has been scrambled)
  30. Which best suits the use of hte left side of brain?
    A. Musical awarness
    B. Generating mental images of Sight, touch, taste and smell
    C, Reasoning in most people
    D. Space and pattern perception
    C. Reasoning in most people
  31. What is the purpos of gyri?
    Creates area surface
  32. Does each cerebral hemisphere have gray matter, white matter, and basal nuclei (gray matter)

    A. yes
    B. No
    A. yes
  33. What 2 types of neurons are in the cerebral cortex?
    Stellate cells & Pyramidal cells
  34. Spherical somas with short dendrites - receive sensory input & process info. –input neurons of cerebrum best defines

    A. Stellate cells
    B. Pyramidal cells
    A. Stellate
  35. Which of the following is not a motor area of the cortex?

    A. Frontal eye Field
    B. Motor homunculus
    C. Brocas's Area
    D. Premotor cortex
    E. Primary motor cortex
    B. Motor homunculus
    (this multiple choice question has been scrambled)
  36. Pre Motor Cortex works with planning our behavior.

    A. True
    B. False
    A. True
  37. Primary Motor Cortex uses stellate cells.

    A. True
    B. False
    B. False
  38. Broca and wernicke's areas are on the right side of the brain.

    A. True
    B. False
    b. False
  39. Wernicke's area sends input to Broca's area that helps direct muscles of the tongue, throat, and lips involved in speech production.

    A. True
    B. False
    A. True
  40. Which lobe senses Olfactory?
    parietal and part of insula
  41. Which lobe receives visual input?
    Occipital
  42. Which lobe receives info from general somatosensory input like input from our receptors in skin and muscles, our pain senses as well?
    Parietal lobe (post-central gyrus)
  43. Olfactory(smell) is specifically sensed in which lobes?
    Frontal and temporal lobes
  44. Which of the following is not a White matter tract?

    A. Pyramidal Tract
    B. Commussural tract
    C. Projection Tract
    D. Association
    A. Pyramidal Tract
    (this multiple choice question has been scrambled)
  45. Corpus collosum is an example of which type of fiber?

    A. Projection
    B. Association
    C. Commissural
    C. Commissural
    (this multiple choice question has been scrambled)
  46. The corona radiata arrangement is associated with which type of fiber?

    A. Association
    B. Commissural
    C. Projection
    C. Projection
    (this multiple choice question has been scrambled)
  47. This structure's output is to premotor and prefrontal cortex. It influences muscle movments especially highly practiced behaviors. I am referring to?

    A. Diencephalon
    B. Cerebral Cortex
    C. Basal Nuclei
    C. Basal nuclei
    (this multiple choice question has been scrambled)
  48. Huntington & Parkinsons invlove in which part of brain?
    Basal nuclei
  49. What part of the brain is composed of the
    following structures that enclose the 3rd ventricle?
    Diencephalon
  50. Which structure includes mamillary bodies?

    A. Thalamus
    B. Hypothalamus
    C. Pineal gland
    B. Hypothalamus
    (this multiple choice question has been scrambled)
  51. Which structure is called the "sensory relay station"

    A. Hypothalamus
    B. Pineal gland
    C. Thalamus
    C. Thalalmus
    (this multiple choice question has been scrambled)
  52. Which structure is the "heart of the limbic system"

    A. Hypothalamus
    B. Thalamus
    C. Pineal gland
    A. Hypothalamus
    (this multiple choice question has been scrambled)
  53. Which structure Diencephalon structure contains many nuclei?

    A. Thalamus
    B. Pineal gland
    C. Hypothalamus
    A. Thalamus
    (this multiple choice question has been scrambled)
  54. Which structure is the "Gateway to the cerebral cortex"

    A. Pineal gland
    B. Thalamus
    C. Hypothalamus
    B. Thalamus
    (this multiple choice question has been scrambled)
  55. Which structure regulates the ANS?

    A. Hypothalamus
    B. Pineal gland
    C. Thalamus
    A. Hypothalamus
    (this multiple choice question has been scrambled)
  56. Which structure includes the master gland?

    A. Pineal gland
    B. Hypothalamus
    C. Thalamus
    B. Hypothalamus
    (this multiple choice question has been scrambled)
  57. Which structure secretes melatonin?

    A. Thalamus
    B. Hypothalamus
    C. Pineal gland
    C. Pineal gland
    (this multiple choice question has been scrambled)
  58. Which structure contains thirst and hunger centers?

    A. Thalamus
    B. Hypothalamus
    C. Pineal gland
    B. Hypothalamus
    (this multiple choice question has been scrambled)
  59. The 2 major hormones secreted by the pituitary gland in the hypothalmus are ADH & oxytocin.

    A. True
    B. False
    A. Ture
  60. Which structure controls memory?

    A. Thalamus
    B. Hypothalamus
    C. Pineal gland
    B, Hypothalamus
  61. Where is the emotional part of the brain?

    A. Hypothalamus
    B. Thalamus
    C. Pineal gland
    A. Hypothalamus
    (this multiple choice question has been scrambled)
  62. Which structure contains the last 4 cranial nervers?
    A. Midbrain
    B. Reticular Formation
    C. Pons
    D. Medulla oblongata
    D. Medulla oblongata
    (this multiple choice question has been scrambled)
  63. Which structure contains the substantia nigra?

    A. Pons
    B. Reticular Formation
    C. Medulla oblongata
    D. Midbrain
    D. Midbrain
    (this multiple choice question has been scrambled)
  64. Which structure is known as the "bridge"

    A. Midbrain
    B. Medulla oblongata
    C. Reticular Formation
    D. Pons
    D. Pons
    (this multiple choice question has been scrambled)
  65. Inferior Colliculi are associated with?

    A. Visual reflex centers
    B, Auditory Reflex centors
    C. Muscle refelx centers
    B. Auditory
  66. Superior colliculi are associated with?

    A. Muscle reflex centers
    B. Auditory reflex centers
    C. Visual reflex centers
    B. Auditory
    (this multiple choice question has been scrambled)
  67. Cerebral peduncles Do Not connect the cerebral cortex to the pons, cord and sensory fibers that connectthe spinal cord to the thalamus.

    A. True
    B. False
    b. False
  68. Which structure mainly regulates heartbeat, breathing, blood pressure, speech, salivation, gagging, vomiting, hiccuping?

    A. Pons
    B. Midbrain
    C. Reticular Formation
    D. Medulla oblongata
    D. Medulla oblongata
    (this multiple choice question has been scrambled)
  69. Which structure helps relay info from cerebrum to cerebellum?

    A. Medulla oblongata
    B. Midbrain
    C. Reticular Formation
    D. Pons
    D. Pons
    (this multiple choice question has been scrambled)
  70. Which structure also helps medulla regulate breathing rate and also conatains nuclea for sleep, hearing, equilibrium, tate, eye movements, swallowing bladder control, posture

    A. Midbrain
    B. Pons
  71. Which structure is the target of general anesthetics?

    A. Reticular Formation
    B. Pons
    C. Midbrain
    D. Medulla oblongata
    A. Reticular Formation
    (this multiple choice question has been scrambled)
  72. Which structure acts as a sensory filter for the flood of sensory inputs our body receives?

    A. Midbrain
    B. Reticular Formation
    C. Medulla oblongata
    D. Pons
    B. Reticular Formation
    (this multiple choice question has been scrambled)
  73. Which strucutre is considered the brains "automatic Pilot"?

    A. Cerebellum
    B. Cerebral Cortex
    C. Cerebrum
    A. Cerebellum
    (this multiple choice question has been scrambled)
  74. The cerebellum is contralateral

    A. True
    B. False
    B. False (Ipsilateral)
  75. Which is not descriptive of the Cerebellum?

    A. It perceives proprioceptive information from joints and muscles and adjusts body position and muscle tone for balance and posture
    B. Receives input from the cortex & pons
    C. Lesions result in a clumsy, awkward gait
    D. Concerned with the sense of smell and long-term memory storage
    D. Concerned with the sense of smell and long-term memory storage
    (this multiple choice question has been scrambled)
  76. Besides the hypothalamus, the amygdala, Hippocampus, thalamus, & temporal lobes are also associated with the Limbic system.

    A. True
    B. False
    A. True
  77. Why would a psychosomatic illness that is emotionally induced be associated with the hypothalamus?
    Hypothalamus controls the emotional brain
  78. Which wave is normal in infants and adults in deep sleep; indicate serious brain damage in awake adults.

    A. Alpha
    B. Beta
    C. Theta
    D. Delta
    D. Delta
    (this multiple choice question has been scrambled)
  79. Which wave is seen during mental activity and sensory stimulatio: recorded in frontal to parietal region.

    A. Theta
    B. Beta
    C. Alpha
    D. Delta
    B. Beta
    (this multiple choice question has been scrambled)
  80. Which wave is normal in children and sleeping adults; suggest emotional stress or brain disorders in awake adults

    A. Theta
    B. Alpha
    C. Delta
    D. Beta
    A. Theta
    (this multiple choice question has been scrambled)
  81. Which wave is active when a person is awake, resting, eyes closed, mind wandering; recorded in parieto-occipital region

    A. Alpha
    B. Beta
    C. Theta
    D. Delta
    A. Alpha
    (this multiple choice question has been scrambled)
  82. What 2 structures control sleep cycles?
    (SCN) Suprachiasmatic nucleus & Reticular formation
  83. How many times a night dow we go through REM sleep?

    A. 5x
    B. 2x
    C. 10x
    A. 5X
    (this multiple choice question has been scrambled)
  84. Which structure is specifically related to short term memory?

    A. Thalamus
    B. Hippocampus
    C. Cerebellum
    D. Amygdala
    B. Hippocamupus
    (this multiple choice question has been scrambled)
  85. Which structure specifically relates to developing emotional associations to sensory events?

    A. hippocampus
    B. amygdala
    B. amygdala
  86. The limibic system is concerned with the sense of vision and long-term memory storage.

    A. True
    B. False
    B. False (sense of smell)
  87. EEG is dominated by alpha waves

    A. Stage 2-Light sleep
    B. Stage 4-Deep sleep
    C. Stage 1-Drowsy
    D. Stage 3-Deep sleep
    C. Stage 1-Drowsy
    (this multiple choice question has been scrambled)
  88. EEG has delta and theta waves; vital signs decline

    A. Stage 4-Deep sleep
    B. Stage 2-Light sleep
    C. Stage 1-Drowsy
    D. Stage 3-Deep sleep
    D. Stage 3-deep sleep
    (this multiple choice question has been scrambled)
  89. EEG is more irregular; has short bursts of waves called sleep spindles

    A. Stage 1-Drowsy
    B. Stage 2-Light sleep
    C. Stage 3-Deep sleep
    D. Stage 4-Deep sleep
    Stage 2-light sleep
  90. EEG has mostly delta waves; vitals sighns at lowest rates

    A. Stage 1-Drowsy
    B. Stage 2-Light sleep
    C. Stage 4-Deep sleep
    D. Stage 3-Deep sleep
    C. Stage 4-Deep sleep
    (this multiple choice question has been scrambled)
  91. Long Term Potentiation (LTP) states that Low frequency action potentials within the hippocampus can increase synaptic strength that can last days or weeks.

    A. True
    B. False
    B. False (High Frequency)
  92. Nitrouse oxide increases the releas of glutamate by the presynaptic neuron.

    A. True
    B. False
    A. True

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