Bioscience II : Test 1

116 Questions | Total Attempts: 186

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Bioscience Quizzes & Trivia

A review of the material for Bioscience II test 1. Covering the neuro lectures including anatomy of CNS, PNS, neurons, and flow of CSF.


Questions and Answers
  • 1. 
    Ouch!! You just slammed your fingers in the car door! As you let loose a string of bad language that would impress even the most seasoned sailor, you remember that which type of nerve is responsible for conducting this sensation from your fingers to your brain?
    • A. 

      Afferent Nerve

    • B. 

      Somatic Nerves

    • C. 

      Efferent Nerves

    • D. 

      Thoracolumbar nerves

  • 2. 
    As you are driving down the highway on your way home from a long day of clinical, another driver is tailgating you and honks his horn for no reason. You would like to flick this guy off. Which type of nerve sends an impulse from your brain to your finger in order to allow you to flick of this inconsiderate jerk?
    • A. 

      Autonomic nerves

    • B. 

      Somatic nerves

    • C. 

      Afferent nerves

    • D. 

      Parasympathetic nerves

  • 3. 
    The efferent system is subdivided into two parts, what are they?
    • A. 

      Sympathetic nervous system

    • B. 

      Parasympathetic nervous system

    • C. 

      Somatic nervous system

    • D. 

      Autonomic nervous system

  • 4. 
    The Autonomic nervous system is further subdivided into which two systems?
    • A. 

      Sympathetic nervous system

    • B. 

      Parasympathetic nervous system

    • C. 

      Somatic nervous system

    • D. 

      Afferent Nervous System

  • 5. 
    This is it! You are back in 4th grade and finally you have HAD IT with that brat Jennifer that teases you everyday. You decide to meet her on the schoolyard after school and teach her a lesson.  As you approach the playground you notice your heart pounding, you are sweating,  your pupils dilating, and it feels like your blood pressure has gone way up. Your whole body seems wired! Which system has allowed for your response to this momentous ass-kicking occasion?
    • A. 

      Parasympathetic Nervous System

    • B. 

      Sympathetic nervous system

    • C. 

      Afferent nervous system

    • D. 

      Somatic nervous System

  • 6. 
    You have just come home from a long day the Miami RibFest. Today you stuffed yourself silly on ribs, tater twisters, and fried twinkies. You get home and immediately lay on your couch. You feel so sleepy! It feels like your whole body is slowing down and your stomach is working away to digest all the food.  Which system allows for this response?
    • A. 

      Afferent Nervous System

    • B. 

      Sympathetic Nervous System

    • C. 

      Parasympathetic Nervous System

    • D. 

      Thoracolumbar Nervous System

  • 7. 
    Development of the Nervous System begins at what point in gestation?
    • A. 

      2-4 days post implantation

    • B. 

      7 weeks gestation

    • C. 

      1 week gestation

    • D. 

      3 weeks gestation

  • 8. 
    Transverse Myelitis is a disease which cause demyelination. This results in paralysis of the patient that is often permanent.  What is myelin’s function and why is this important?
    • A. 

      Myelin acts as insulator for nerves to speed conduction of impulses along the nerve.

    • B. 

      Myelin receives incoming synaptic information from environment or other neurons and generates impulse.

    • C. 

      Myelin is a particular type of axon which conducts motor impulses down the spinal cord.

    • D. 

      Myelin cells relay information from one axon to another within the brain, allowing for higher levels of processing information and decision making.

  • 9. 
    Which type of nerve tract is primarily Sensory?
    • A. 

      Nerve tracts are both sensory and motor.

    • B. 

      Ascending Tracts

    • C. 

      Descending Tracts

    • D. 

      Dendritic Tracts

  • 10. 
    Which type of nerve tract is primarily Motor?
    • A. 

      Nerve tracts are both sensory and motor.

    • B. 

      Ascending Tracts

    • C. 

      Descending Tracts

    • D. 

      Dendritic Tracts

  • 11. 
    In the pre-embryonic period, which of the primary germ layers will become the lining of the digestive and respiratory tracts?
    • A. 

      Prosencephalon

    • B. 

      Ectoderm

    • C. 

      Rhombencephalon

    • D. 

      Endoderm

  • 12. 
    In the pre-embryonic period, which of the primary germ layers will become muscle and bone?
    • A. 

      Mesoderm

    • B. 

      Ectoderm

    • C. 

      Mesencephalon

    • D. 

      Endoderm

  • 13. 
    In the pre-embryonic period, which of the primary germ layers will become the Nervous System?
    • A. 

      Prosencephalon

    • B. 

      Ectoderm

    • C. 

      Mesoderm

    • D. 

      Endoderm

  • 14. 
    Which of the following is not one of the three primary vesicles formed during the embryonic period?
    • A. 

      Mesencephalon

    • B. 

      Rhombencephalon

    • C. 

      Diencephalon

    • D. 

      Prosencephalon

  • 15. 
    Which of the primary vesicles formed in the embryonic period will become the forebrain?
    • A. 

      Mesencephalon

    • B. 

      Rhombencephalon

    • C. 

      Diencephalon

    • D. 

      Prosencephalon

  • 16. 
    Which of the primary vesicles formed in the embryonic period will become the midbrain?
    • A. 

      Mesencephalon

    • B. 

      Rhombencephalon

    • C. 

      Diencephalon

    • D. 

      Prosencephalon

  • 17. 
    Which of the primary vesicles formed in the embryonic period will become the hindbrain?
    • A. 

      Mesencephalon

    • B. 

      Rhombencephalon

    • C. 

      Diencephalon

    • D. 

      Prosencephalon

  • 18. 
    Which of the following is not one of the 3 layers which the neural tube differentiates into?
    • A. 

      Ependymal Layer

    • B. 

      Marginal Layer

    • C. 

      Ventral Layer

    • D. 

      Mantle Layer

  • 19. 
    Which of the neural tube layers eventually develops into white matter of nervous system?
    • A. 

      Ventral Layer

    • B. 

      Mantle Layer

    • C. 

      Ependymal Layer

    • D. 

      Marginal Layer

  • 20. 
    Afferent neurons are found within the _____ horns of gray matter in spinal cord.
    • A. 

      Dorsal

    • B. 

      Ventral

    • C. 

      Lateral

    • D. 

      Foraminal

  • 21. 
    Efferent Neurons are found within the _____ & _______ horns of gray matter in spinal cord.
    • A. 

      Dorsal

    • B. 

      Ventral

    • C. 

      Lateral

    • D. 

      Foraminal

  • 22. 
    The terminal end of the spinal cord is known as….
    • A. 

      Cauda Equina

    • B. 

      Filum Terminale

    • C. 

      Rhombencephalon

    • D. 

      Conus Medullaris

  • 23. 
    The brain stem consists of all the following except:
    • A. 

      Thalamus

    • B. 

      Medulla Oblongata

    • C. 

      Pons

    • D. 

      Midbrain

  • 24. 
    Which of the following is not contained within the diencephalon?
    • A. 

      Hypothalamus

    • B. 

      Pons

    • C. 

      Pineal Gland

    • D. 

      All are contained within diencephalon.

  • 25. 
    The  ________ spreads over the diencephalon and occupies most of cranium.
    • A. 

      Cerebellum

    • B. 

      Cortex

    • C. 

      Cerebrum

    • D. 

      Central Sulcus

  • 26. 
    The carotid arteries pass through which bone on their way to supply the brain?
    • A. 

      Occipital

    • B. 

      Parietal

    • C. 

      Sphenoid

    • D. 

      Temporal

  • 27. 
    Which of the cranial bones articulates with all other cranial bones and contains the sella turcica?
    • A. 

      Sphenoid

    • B. 

      Ethmoid

    • C. 

      Occipital

    • D. 

      Parietal

  • 28. 
    Which suture is located between the frontal and 2 parietal bones?
    • A. 

      Lamboidal

    • B. 

      Coronal

    • C. 

      Sagittal

    • D. 

      Squamosal

  • 29. 
    Which suture is located between the 2 parietal bones?
    • A. 

      Lamboidal

    • B. 

      Coronal

    • C. 

      Sagittal

    • D. 

      Squamosal

  • 30. 
    At birth, several fontanels exist in babies. Which fontanel closes around 18 months and is located between the frontal and parietal bones?
    • A. 

      Posterior

    • B. 

      Posterolateral

    • C. 

      Anterolateral

    • D. 

      Anterior

  • 31. 
    The posterior fontanel closes at around what age?
    • A. 

      2 months

    • B. 

      3 months

    • C. 

      1 month

    • D. 

      18-24 months

  • 32. 
    Which of the cavities between the membranes around the brain contains only a few drops of CSF?
    • A. 

      Subarachnoid space

    • B. 

      Subdural space

    • C. 

      Epidural space

    • D. 

      Sulcal Space

  • 33. 
    You are out horseback riding today with friends. Half way through your trail ride you fall of your horse and hit your head on a nearby log. Your friends take you to the hospital and you find you have a small bleed! You are semi-coherent and think back to anatomy of the brain and realize your bleed is most likely to occur within which space?
    • A. 

      Subdural Space

    • B. 

      Sulcal Space

    • C. 

      Subarachnoid Space

    • D. 

      Epidural Space

  • 34. 
    What is the purpose of the arachnoid granulations?
    • A. 

      Division of neural tube in embryonic period which eventually forms arachnoid membrane

    • B. 

      Anchors brain meninges to inner surface of cranial bones

    • C. 

      Serve as sites of CSF aborption into venous system

    • D. 

      Innervates intracranial vessels to aid in autonomic control of cerebral blood flow.

  • 35. 
    The brain is responsible for what percentage of total body oxygen consumption?
    • A. 

      40%

    • B. 

      5%

    • C. 

      10%

    • D. 

      20%

  • 36. 
    The right carotid artery arises from the _______  while the left carotid arises from the _____.
    • A. 

      Subclavian, Aortic Arch

    • B. 

      Ascending Aorta, Subclavian

    • C. 

      Ascending Aorta, Descending Aorta

    • D. 

      Inominate, Subclavian

  • 37. 
    The arterial supply of the brain contains a confluence of vessels known as…
    • A. 

      Circle of Webster

    • B. 

      Circle of Willis

    • C. 

      Circle of Willebrand

    • D. 

      Circle of Wicke

  • 38. 
    The majority of cerebral aneursyms are located where in the brain?
    • A. 

      Posterior circle of willis

    • B. 

      Middle circle of willis

    • C. 

      Anterior circle of willis

    • D. 

      Basilar Artery

  • 39. 
    What is the CPP for your patient whose BP is currently 156/82  with an ICP of 10?
    • A. 

      105

    • B. 

      99

    • C. 

      109

    • D. 

      95

  • 40. 
    At which of the following MAP’s would CBF no longer remain constant?
    • A. 

      58

    • B. 

      67

    • C. 

      122

    • D. 

      149

  • 41. 
    Which of the following will not affect CBF?
    • A. 

      Hyperventilation

    • B. 

      Muscle paralysis with Vecuronium

    • C. 

      Warming the pt

    • D. 

      Giving 2u PRBC transfusion

  • 42. 
    Which portion of the brain controls HR respirations, and blood vessel diameter?
    • A. 

      Midbrain

    • B. 

      Vestibular Nuclear Complex

    • C. 

      Medulla

    • D. 

      Pineal Gland

  • 43. 
    Cranial Nerves V, VI, VII, and VII originate in the….  
    • A. 

      Medulla

    • B. 

      Midbrain

    • C. 

      Vasomotor Center

    • D. 

      Pons

  • 44. 
    Which portion of the brain is responsible for interpreting pain, temperature, light touch, and pressure sensations?
    • A. 

      Thalamus

    • B. 

      Vasomotor Center

    • C. 

      Vestibular Nuclear Complex

    • D. 

      Hypothalamus

  • 45. 
    Which section of your brain is responsible for controlling your rage issues and your sleep cycle as well as integrating and controlling the ANS?
    • A. 

      Pineal Gland

    • B. 

      Hypothalamus

    • C. 

      Thalamus

    • D. 

      Medulla

  • 46. 
    You are ever so proudly taking your 4 yr old daughter to ballet. As you watch the class you notice your special snowflake completely lacks coordination. Her arms and legs are flinging in every direction, she tips over when asked to stand on one leg or do bar exercises, and her teacher states she has horrible posture.  While thinking back to functions of the brain, you realize your little klutz probably needs to better develop her _______ to help with these issues.
    • A. 

      Midbrain

    • B. 

      Pons

    • C. 

      Cerebellum

    • D. 

      You don’t care…. She looks really cute and happy spinning in circles while the others gracefully dance.

  • 47. 
    When referring to the conduction pathway, what is the role of the receptor?
    • A. 

      Receives incoming sensory impulse and generates an outgoing impulse.

    • B. 

      Passes impulse to terminating axon in CNS

    • C. 

      Transmits impulse to organ of body that will respond

    • D. 

      Responds to change in internal or external environment by initiating a nerve impulse.

  • 48. 
    When referring to the conduction pathway, what is the role of the Center?
    • A. 

      Receives incoming sensory impulse and generates an outgoing impulse.

    • B. 

      Passes impulse to terminating axon in CNS

    • C. 

      Transmits impulse to organ of body that will respond

    • D. 

      Responds to change in internal or external environment by initiating a nerve impulse.

  • 49. 
    When referring to the conduction pathway, what is the role of the sensory neuron?
    • A. 

      Receives incoming sensory impulse and generates an outgoing impulse.

    • B. 

      Passes impulse to terminating axon in CNS

    • C. 

      Transmits impulse to organ of body that will respond

    • D. 

      Responds to change in internal or external environment by initiating a nerve impulse.

  • 50. 
    When referring to the conduction pathway, what is the role of the motor neuron?
    • A. 

      Receives incoming sensory impulse and generates an outgoing impulse.

    • B. 

      Passes impulse to terminating axon in CNS

    • C. 

      Transmits impulse to organ of body that will respond

    • D. 

      Responds to change in internal or external environment by initiating a nerve impulse.

  • 51. 
    The collection of nerve roots that descends from lower portion of spinal cord is known as…
    • A. 

      Conus Medullaris

    • B. 

      Filum Terminale

    • C. 

      Lumbosacral Plexus

    • D. 

      Cauda Equina

  • 52. 
    The _____ root of the spinal nerve contains motor outflow tracts.
    • A. 

      Dorsal

    • B. 

      Ventral

    • C. 

      Anterolateral

    • D. 

      Caudal

  • 53. 
    The  _____ root of the spinal nerve is largely sensory.
    • A. 

      Ventral

    • B. 

      Caudal

    • C. 

      Dorsal

    • D. 

      Intervetebral

  • 54. 
    Spinal nerves are …
    • A. 

      Sensory

    • B. 

      Motor

    • C. 

      Either sensory -or- motor depending upon which spinal nerve it is.

    • D. 

      Mixed

  • 55. 
    If your patient can not feel touch at the level of the umbilicus you know you have a sympathetic blockade at the level of….
    • A. 

      T8

    • B. 

      T10

    • C. 

      T12

    • D. 

      STOP ASKING ME QUESTIONS!!!!

  • 56. 
    The Cervical Plexus is formed by which spinal nerves?
    • A. 

      L1-L4

    • B. 

      C1-C4

    • C. 

      L5-S1

    • D. 

      C5-C8

  • 57. 
    What is the major nerve contained within the Cervical Plexus?
    • A. 

      Sciatic Nerve

    • B. 

      Transverse Cervical Nerve

    • C. 

      Phrenic Nerve

    • D. 

      Great Auricular Nerve

  • 58. 
    The Brachial Plexus is formed by which spinal nerves?
    • A. 

      C1-C4

    • B. 

      L5-S1

    • C. 

      L1-L4

    • D. 

      C5-C8

  • 59. 
    Injury to the radial nerve will produce what symptoms?
    • A. 

      Wrist Drop

    • B. 

      Numbness and tingling in palm

    • C. 

      Inability to spread fingers

    • D. 

      All the above

  • 60. 
    Injury to the median nerve will produce what symptoms?
    • A. 

      Wrist Drop

    • B. 

      Numbness and tingling in palm

    • C. 

      Inability to spread fingers

    • D. 

      All the above

  • 61. 
    Injury to the ulnar nerve will produce what symptoms?
    • A. 

      Wrist Drop

    • B. 

      Numbness and tingling in palm

    • C. 

      Inability to spread fingers

    • D. 

      All the above

  • 62. 
    Injury to the femoral nerve is likely to result in which of the following?
    • A. 

      Numbess of buttocks

    • B. 

      Foot Drop

    • C. 

      Loss of sensation over inner thigh

    • D. 

      Inability to extend leg

  • 63. 
    The Lumbar plexus originates from what spinal nerves?
    • A. 

      L1-L4

    • B. 

      T8-T12

    • C. 

      L5-S1

    • D. 

      C5-C8

  • 64. 
    Injury to the Sciatic  nerve is likely to result in which of the following?
    • A. 

      Tingling of lateral thigh

    • B. 

      Foot Drop

    • C. 

      Loss of sensation over inner thigh

    • D. 

      Inability to flex leg

  • 65. 
    The Sacral plexus originates from what spinal nerves?
    • A. 

      L1-L4

    • B. 

      T8-T12

    • C. 

      L5-S1

    • D. 

      C5-C8

  • 66. 
    The largest nerve coming from the lumbar plexus is…
    • A. 

      Sciatic Nerve

    • B. 

      Phrenic Nerve

    • C. 

      Peroneal Nerve

    • D. 

      Femoral nerve

  • 67. 
    The largest nerve coming from the sacral plexus is…
    • A. 

      Sciatic Nerve

    • B. 

      Phrenic Nerve

    • C. 

      Peroneal Nerve

    • D. 

      Femoral nerve

  • 68. 
    Cranial nerves with motor function have cells of origin ______ the brain stem. Cranial nerves with sensory functions have cells of origin _____ the brain stem.
    • A. 

      Within, Outside

    • B. 

      Outside, Within

    • C. 

      Within, Within

    • D. 

      Outside, Outside

  • 69. 
    Which of the following cranial nerves have solely sensory function?
    • A. 

      Optic

    • B. 

      Trochlear

    • C. 

      Acoustic

    • D. 

      Glossopharyngeal

    • E. 

      Abducens

  • 70. 
    Which of the following Cranial nerves have motor functions?
    • A. 

      Trochlear

    • B. 

      Abducens

    • C. 

      Olfactory

    • D. 

      Vagus

    • E. 

      Hypoglossal

  • 71. 
    Which Cranial nerves have both sensory and motor function?
    • A. 

      CNs I, II, VIII

    • B. 

      CNs V, VII, IX, X

    • C. 

      CN’s III, IV, VI

    • D. 

      CN’s XI & XII

  • 72. 
    You are caring for Mrs. Moody who is coming in today to be sedated for an MRI scan to evaluate an intracranial tumor. When evaluating her symptoms you notice her left eye is looking down and out. There is also ptosis and papillary dilation present as well. This likely due to compression of which nerve?
    • A. 

      Optic

    • B. 

      Trigeminal

    • C. 

      Oculomotor

    • D. 

      Facial

  • 73. 
    Which cranial nerve regulates BP and supplies special receptors in the carotid body to help control HR and respirations?
    • A. 

      Facial

    • B. 

      Trigeminal

    • C. 

      Accessory

    • D. 

      Glossopharyngeal

  • 74. 
    What percentage of total blood volume circulates in the brain?
    • A. 

      18%

    • B. 

      25%

    • C. 

      12%

    • D. 

      37%

  • 75. 
    The basilar artery gives rise to the ______ which supplies the occipital lobe and brain stem.
    • A. 

      Circle of Willis

    • B. 

      Posterior Cerebral Artery

    • C. 

      Posterior Communicating Arterery

    • D. 

      Middle Cerebral Artery

  • 76. 
    The circle of willis is fed by which of the following arteries?
    • A. 

      Internal Jugular

    • B. 

      Anterior Communicating

    • C. 

      Internal Carotids

    • D. 

      Basilar

  • 77. 
    Hypoventilation will cause  _____ & a  ______ in ICP.
    • A. 

      Vasodilation, Increase

    • B. 

      Vasoconstriction, Decrease

    • C. 

      Vasodilation, Decrease

    • D. 

      Vasoconstriction, Increase

  • 78. 
    Mannitol is easily able to cross Blood Brain Barrier to aid in reducing ICP.
    • A. 

      True

    • B. 

      False

  • 79. 
    How will infusion of D5W affect movement on water in the brain?
    • A. 

      Hypertonic, will cause water to move into brain

    • B. 

      Hypertonic, will cause water to move out of brain

    • C. 

      Hypotonic, will cause water to move into brain

    • D. 

      Hypotonic, will cause water to move out brain

  • 80. 
    How will infusion of 3% NS affect movement on water in the brain?
    • A. 

      Hypertonic, will cause water to move into brain

    • B. 

      Hypertonic, will cause water to move out of brain

    • C. 

      Hypotonic, will cause water to move into brain

    • D. 

      Hypotonic, will cause water to move out brain

  • 81. 
    Acute Hypertonicity will cause net movement of water ____  the brain, while Acute Hypotonicity will cause net movement of water ____ the brain.
    • A. 

      Out, into

    • B. 

      Into, out

    • C. 

      Don’t Know, Don’t care

  • 82. 
    ________  stabilizes the blood brain barrier secondary to a decrease in PACO2 and decrease CMRO2.
    • A. 

      Hyponatremia

    • B. 

      Hypotension

    • C. 

      Hypoventilation

    • D. 

      Hypothermia

  • 83. 
    Which of the following will not easily cross the blood brain barrier?
    • A. 

      H+

    • B. 

      O2

    • C. 

      CO2

    • D. 

      All can easily cross BBB

  • 84. 
    What effects will a subarachnoid hemorrhage initially have on CSF volume within the brain?
    • A. 

      Increase CSF volume

    • B. 

      Decrease in CSF volume

    • C. 

      No effect on CSF volume

  • 85. 
    Normal CSF is…
    • A. 

      Pale yellow, turbid, odorless

    • B. 

      Viscous, colorless, slight sweet odor

    • C. 

      Clear, colorless, odorless

    • D. 

      Clear, Yellowish, viscous

  • 86. 
    At any given moment, how much CSF is circulating in the human body?
    • A. 

      400-500 ml

    • B. 

      20 ml

    • C. 

      300 ml

    • D. 

      150 ml

  • 87. 
    How much CSF is produced daily?
    • A. 

      0.35 ml/min

    • B. 

      20 ml/min

    • C. 

      400 ml/hr

    • D. 

      150 ml/hr

  • 88. 
    Where is CSF formed?
    • A. 

      Arachnoid granulations

    • B. 

      Choroid Plexuses

    • C. 

      Pineal Gland

    • D. 

      Endothelial cells of villi

  • 89. 
    After leaving the lateral ventricles, CSF flows…
    • A. 

      Through the cerebral aqueduct, into 4th ventricle

    • B. 

      Into subarachnoid space to circulate around brain and spinal cord

    • C. 

      Through interventricular foramina, into 3rd ventricle

    • D. 

      Through median and lateral apertures, into cisterna magna

  • 90. 
    After leaving the 4th ventricle, CSF flows…
    • A. 

      Through the cerebral aqueduct, into 4th ventricle

    • B. 

      Into subarachnoid space to circulate around brain and spinal cord

    • C. 

      Through interventricular foramina, into 3rd ventricle

    • D. 

      Through median and lateral apertures, into cisterna magna

  • 91. 
    After leaving the 3rd ventricle, CSF flows….
    • A. 

      Through the cerebral aqueduct, into 4th ventricle

    • B. 

      Into subarachnoid space to circulate around brain and spinal cord

    • C. 

      Through interventricular foramina, into 3rd ventricle

    • D. 

      Through median and lateral apertures, into cisterna magna

  • 92. 
    After leaving the cisterna magna, CSF flows….
    • A. 

      Through the cerebral aqueduct, into 4th ventricle

    • B. 

      Into subarachnoid space to circulate around brain and spinal cord

    • C. 

      Through interventricular foramina, into 3rd ventricle

    • D. 

      Through median and lateral apertures, into cisterna magna

  • 93. 
    As ICP increases, what will happen to absorption of CSF?
    • A. 

      No change in absorption

    • B. 

      Decrease absorption

    • C. 

      Increase absorption

    • D. 

      Equals ICP

  • 94. 
    Absorption of CSF is _______ to cerebral venous pressure.
    • A. 

      Not affected by

    • B. 

      Equal to

    • C. 

      Directly proportional

    • D. 

      Inversely proportional

  • 95. 
    Which of the volatile anesthetic agents will increase absorption of CSF?
    • A. 

      Isoflorane

    • B. 

      Desflorane

    • C. 

      Halothane

    • D. 

      Nitrous Oxide

  • 96. 
    The most common form of hydrocephalus is called…
    • A. 

      Scary-head baby hydrocephalus

    • B. 

      Noncommunicating Hydrocephalus

    • C. 

      Communicating Hydrocephalus

    • D. 

      Arachnoid Hydrocephalus

  • 97. 
    A patient diagnosed with meningitis is most likely to display what form of hydrocephalus?
    • A. 

      Noncommunicating Hydrocephalus

    • B. 

      Arachnoid Hydrocephalus

    • C. 

      Communicating Hydrocephalus

    • D. 

      Septic Hydrocephalus

  • 98. 
    The ventricles where CSF is formed do not have a blood brain barrier.
    • A. 

      True

    • B. 

      False

  • 99. 
    The ectoderm of the blastocyst eventually develops into what?
    • A. 

      Spinal cord

    • B. 

      Muscle and connective tissue

    • C. 

      Lining of GI and Resp tract

    • D. 

      Skin and nervous system

  • 100. 
    The mesencephalon develops into the:
    • A. 

      Thalamus, hypothalamus and pineal gland

    • B. 

      Hind brain

    • C. 

      Midbrain

    • D. 

      Cerebral hemispheres and basal ganglia

  • 101. 
    Ependymal cells...
    • A. 

      Line cerebral vesicles and spinal cord

    • B. 

      Constitute brain matter

    • C. 

      Constitute white matter

    • D. 

      Are the epithelial lining of GI and Resp tract

  • 102. 
    Marginal cells develop into what?
    • A. 

      Spinal cord and nervous system

    • B. 

      White matter

    • C. 

      Gray matter

    • D. 

      Brain matter

  • 103. 
    The Dorsal Horn contains what type of neuron function:
    • A. 

      Afferent

    • B. 

      Efferent

    • C. 

      Lateral

    • D. 

      Posterior

  • 104. 
    The Ventral Horn consists of what type of function
    • A. 

      Afferent

    • B. 

      Efferent

    • C. 

      Lateral

    • D. 

      Posterior

  • 105. 
    The cerebrum spreads over _______ and occupies most of the cranium
    • A. 

      Midbrain

    • B. 

      Diencephalon

    • C. 

      Brain stem

    • D. 

      Cerebellum

  • 106. 
    Which  bones form the inferior sides of cranium and part of the cranial floor:
    • A. 

      Occipital

    • B. 

      Temporal

    • C. 

      Frontal

    • D. 

      Parietal

  • 107. 
    Anterior fontanel closes at:
    • A. 

      2-4 months

    • B. 

      6 -8 months

    • C. 

      12 -18 months

    • D. 

      18-24 months

  • 108. 
    The outer most layer that surrounds the spinal cord is the:
    • A. 

      Pia

    • B. 

      Dura

    • C. 

      Subdural

    • D. 

      Arachnoid

  • 109. 
    The finger like granulations within the arachnoid space are responsible for what:
    • A. 

      Producing CSF

    • B. 

      Storing CSF

    • C. 

      Absorption of CSF

    • D. 

      Filtering CSF

  • 110. 
    The vasomotor center of the _____ regulates the diameter of blood vessels.
    • A. 

      Thalamus

    • B. 

      Hypothalamus

    • C. 

      Brain stem

    • D. 

      Medulla

  • 111. 
    The primary functions of the thalamus are to:
    • A. 

      Control activities of the ANS

    • B. 

      Control body temp

    • C. 

      Interpret pain, temperature, touch and pressure

    • D. 

      Interpret emotional and intellectual aspects

  • 112. 
    All of the following are functions of the hypothalamus except:
    • A. 

      Regulates emotions (rage and aggression)

    • B. 

      Communicates with the pituitary gland

    • C. 

      Functions in temperature, eating, drinking and sleep

    • D. 

      Functions in pain and touch

  • 113. 
    Which nerve cells are the first to receive incoming information from the external environment?
    • A. 

      Afferent sensory neurons

    • B. 

      Efferent sensory neurons

    • C. 

      Afferent motor neurons

    • D. 

      Efferent sensory neurons

  • 114. 
    Which one is not an action generated by the efferent motor neurons?
    • A. 

      Inhibitory

    • B. 

      Motor

    • C. 

      Secretory

    • D. 

      All of the above are actions generated by efferent motor neurons

  • 115. 
    Which of the following is false regarding the conduction pathway?
    • A. 

      Impulses received in the "center" can be stopped, rerouted, or passed on

    • B. 

      An association neuron links the incoming motor neuron to outgoing sensory neuron

    • C. 

      The order of conduction of an impulse is: receptor-->sensory neuron --> center --> motor neuron --> effector

    • D. 

      A motor impulse received by the effector site can either cause a muscle contraction or a glandular secretion

  • 116. 
    COMIC RELIEF: Brought to you by the muppets...
    • A. 

      Wait a sec.... I don't think the muppets would really sing that.

    • B. 

      Weed!! This video violates my strict morals and I am appalled by it!

    • C. 

      Ha ha ha, nice to see that children can receive an honest education through music.

    • D. 

      All the Above