Neurobiologic Foundations

93 Questions | Total Attempts: 135

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Neurobiology Quizzes & Trivia

This is for Examination 1. It is a study guide.


Questions and Answers
  • 1. 
    The _________ is the wall of the third ventricle, the ________ is the wall of the lateral ventricle
    • A. 

      Thalamus, Caudate Nucleus

    • B. 

      Caudate Nucleus, Hypothalamus

    • C. 

      Thalamus, Cingulate Gyrus

    • D. 

      Anterior Commissure, Thalamus

    • E. 

      Caudate Nucleus, Thalamus

  • 2. 
    When and how does the neural tube close?
    • A. 

      3rd post conception week, cephalo to caudal.

    • B. 

      4th week; rostral neuropore then caudal neuropore, from the middle like a broken zipper.

    • C. 

      3rd week; caudal neuropore before rostral, from the middle like a broken zipper.

    • D. 

      Caudal-cephalic direction at the 4th week.

    • E. 

      As soon as the baby is born.

  • 3. 
    The nervous system develops from one of the germ layers that is created by gastrulation. Which layer?
    • A. 

      Mesoderm

    • B. 

      Endoderm

    • C. 

      Ectoderm

  • 4. 
    Failure of which neural tube to close results in myelomeningocoele?
    • A. 

      Rostral

    • B. 

      Caudal

  • 5. 
    Brodman's Area 3,1,2 responds to the ____________ Gyrus that is located in the ________ Lobe of the brain. It is also known as the primary _____________ strip.
    • A. 

      Precentral, Frontal, Motor

    • B. 

      Precentral, Parietal, Sensory

    • C. 

      Postcentral, Temporal, Motor

    • D. 

      Postcentral, Parietal, Sensory

  • 6. 
    Which of the following is not true?
    • A. 

      Longitudinal fissure separates the temporal lobe from the rest of the brain.

    • B. 

      Lateral fissure separates the temporal lobe from the rest of the brain.

    • C. 

      The central sulcus separates the primary sensory and motor strips.

    • D. 

      The septum pallucidum separates the lateral ventricles.

    • E. 

      The calcarine sulcus is where the optic nerve registers.

  • 7. 
    When a person injures the ______ lobe, they may lose the ability to control impulses.
    • A. 

      Parietal

    • B. 

      Temporal

    • C. 

      Occipital

    • D. 

      Frontal

  • 8. 
    Where is cerebrospinal fluid produces and which ventricle has the most of these?
    • A. 

      Choroid plexes, third

    • B. 

      Choroid plexus, lateral

    • C. 

      Arachnoid Villae, 4th

    • D. 

      Arachnoid Villae, 3rd

  • 9. 
    The fold of the dura that goes deep in the longitudinal fissure is called the:
    • A. 

      Tentorium

    • B. 

      Dural Fold

    • C. 

      Tectum

    • D. 

      Falx Cerebri

  • 10. 
    What is the fold of dura mater that separates the cerebral cortex from the cerebellum:
    • A. 

      Falx cerebri

    • B. 

      Tentorium Cerebelli

    • C. 

      Dural Fold

    • D. 

      Magnum Fissure

  • 11. 
    The _______ cells are to myelin in the CNS as _______ cells are to myelin in the Periphery.
    • A. 

      Schwann cells, astrocytes

    • B. 

      Oligodendrocytes, Astrocytes

    • C. 

      Oligodendrocytes, Schwann Cells

    • D. 

      Oligodendrocytes, Fibroblasts

  • 12. 
    What is the most common tumor of the CNS?
    • A. 

      Astrocytoma

    • B. 

      Meningioma

    • C. 

      Myeloma

  • 13. 
    What is the space between the 3rd and 4th ventricle called?
    • A. 

      Cerebral Aqueduct

    • B. 

      Foramen of Monro

    • C. 

      Interventricular Aqueduct

    • D. 

      Aqueduct of Sylvius

    • E. 

      A & D

  • 14. 
    Which of the following is not part of the tegmentum?
    • A. 

      Superior Colliculus

    • B. 

      Nuclei of Cranial Nerves

    • C. 

      Reticular Formation

  • 15. 
    The superior and inferior colliculi are collectively known as the:
    • A. 

      Tegmentum

    • B. 

      Tentorium

    • C. 

      Tectum

  • 16. 
    The MCA supplies what part of the brain:
    • A. 

      Medial

    • B. 

      Lateral surface

    • C. 

      Internal capsule

    • D. 

      Occipital lobe

    • E. 

      B & C

  • 17. 
    The posterior limb of the internal capsule runs between what two structures?
    • A. 

      Lateral ventricle and lentiform

    • B. 

      Lentiform and thalamus

    • C. 

      Thalamus and caudate

  • 18. 
    Which fibers of the optic nerve cross at the optic chiasm?
    • A. 

      Temporal

    • B. 

      Nasal

  • 19. 
    The posterior division of the spinal cord is known as the _____ plate. It is responsible for _________.
    • A. 

      Alar, Sensory

    • B. 

      Basal, Sensory

    • C. 

      Alar, Motor

    • D. 

      Basal, Motor

  • 20. 
    Name types of macroglia.
    • A. 

      Oligodendrocytes

    • B. 

      Astrocytes

    • C. 

      Neurons

    • D. 

      A & B

    • E. 

      All of the above

  • 21. 
    Of the three functional classifications of a neuron, what makes up the most in the CNS?
    • A. 

      Motor

    • B. 

      Sensory

    • C. 

      Interneurons

  • 22. 
    What types of neurons are found in the retina?
    • A. 

      Multipolar

    • B. 

      Bipolar

    • C. 

      Monopolar

  • 23. 
    Dendrites carry _________ information
    • A. 

      Afferent

    • B. 

      Efferent

  • 24. 
    Which is not a function of a neuron?
    • A. 

      Transduction

    • B. 

      Transformation

    • C. 

      Transmission

    • D. 

      Conduction

    • E. 

      Integration

  • 25. 
    What is an example of a GSE?
    • A. 

      To smooth muscle of face

    • B. 

      To smooth muscle of the gut

    • C. 

      From organ to CNS

    • D. 

      Alpha motor neuron to skeletal muscle

  • 26. 
    The ventircular zone becomes the ___________ layer, the mantle zone is ________ matter, and the marginal zone is _________ matter.
    • A. 

      Lumen, white, grey

    • B. 

      Lumen, grey, white

    • C. 

      Ependymal layer, white, grey

    • D. 

      Ependymal layer, grey, white

    • E. 

      Ependymal layer, white, white

  • 27. 
    EPSP and IPSP are ___, _____, & _______
    • A. 

      Local, non-propagated, and cannot be summated

    • B. 

      Local, propagated, and can be summated

    • C. 

      Non-local, propagated, and cannot be summated

    • D. 

      Local, non-propagated, and can be summated

  • 28. 
    What does the longitudinal fissure separate?
    • A. 

      The lateral ventricles.

    • B. 

      R & L hemispheres.

    • C. 

      Parietal and Occipital Lobes.

    • D. 

      Cerebellum and Occipital Lobe.

  • 29. 
    In which lobe does auditory processing and memory occur?
    • A. 

      Temporal

    • B. 

      Parietal

    • C. 

      Frontal

    • D. 

      Occipital

  • 30. 
    What does the calcarine sulcus separate?
    • A. 

      Parietal and Occipital.

    • B. 

      Supramarginal and Angular Gyri.

    • C. 

      Cuneus and Lingual gyrus.

    • D. 

      Lateral and Third ventricle.

  • 31. 
    If someone had a deficit in sensory and perceptual, what lobe may be affected?
    • A. 

      Temporal

    • B. 

      Parietal

    • C. 

      Frontal

    • D. 

      Occipital

  • 32. 
    The substantia nigra and red nucleus, collectively, are known as:
    • A. 

      Tectum

    • B. 

      Tegmentum

    • C. 

      Tentorium

    • D. 

      Thalamus

  • 33. 
    The cingulate Gyrus is sometimes called the ________ and represents what?
    • A. 

      5th lobe of the brain, deepest/oldest part of brain

    • B. 

      4th lobe, newest part of brain

    • C. 

      5th lobe, the internal capsule

  • 34. 
    Where does the infundibulum run between?
    • A. 

      Thalamus and pituitary

    • B. 

      Pituitary and hypothalamus

    • C. 

      Thalamus and corpus collosum

    • D. 

      Pituitary and fornix

  • 35. 
    Where are the cerebral peduncles on the brainstem?
    • A. 

      Anterior

    • B. 

      Posterior

  • 36. 
    What creates the uncus?
    • A. 

      Amygdala

    • B. 

      Hippocampus

    • C. 

      Mamillary Bodies

    • D. 

      Olives

  • 37. 
    Why is the periaqueductal grey important?
    • A. 

      It controls motor to our legs.

    • B. 

      It is where our vision registers.

    • C. 

      It absords CSF.

    • D. 

      It is important in the regulation of pain sensation.

  • 38. 
    Which of the following is not true of CSF?
    • A. 

      Secreted by choroid plexes.

    • B. 

      Absorbed by arachnoid granulations into venous sinuses.

    • C. 

      Ultrafiltered Blood.

    • D. 

      Should be cloudy.

    • E. 

      Can be evaluated via Spinal Tap.

  • 39. 
    What are essentual for motor learning?
    • A. 

      Pyramids of medulla.

    • B. 

      Olivary nucleus.

    • C. 

      Cingulate Gyrus

    • D. 

      Corpus Collosum

  • 40. 
    Which structure of the brain is important in Parkinson's?
    • A. 

      Red Nucleus

    • B. 

      Cerebellum

    • C. 

      Substantia Nigra

    • D. 

      Amygdala

  • 41. 
    What is the most common form of stroke?
    • A. 

      Embolic Ischemic

    • B. 

      Thrombotic Ischemic

    • C. 

      Hemorrhagic

  • 42. 
    What is the mechanism of tPa?
    • A. 

      Use with hemorrhagic stroke to decrease blood viscosity.

    • B. 

      Use with Ischemic stroke to decrease blood viscosity and break up occlusion.

    • C. 

      Give by mouth 24 hours after a stroke, no matter what type.

  • 43. 
    What is the most benign type of astrocytoma?
    • A. 

      Medulloblastoma

    • B. 

      Meningioma

    • C. 

      Juvenile Pilocytic Astrocytoma

    • D. 

      Ependymoma

  • 44. 
    What represents up to 30% of all brain tumors?
    • A. 

      Glioblastoma

    • B. 

      Juvenile Pilocytic Astrocytoma

    • C. 

      Meningioma

    • D. 

      Medulloblastoma

  • 45. 
    What diseases if characterized by a bottoming out, sudden weakness, and usually follows a viral infection?
    • A. 

      MS

    • B. 

      Guillian-Barre

    • C. 

      ALS

    • D. 

      Myasthenia Gravis

  • 46. 
    Where does cerebropinal fluid exit?
    • A. 

      4th ventrical

    • B. 

      Foramen of magendie

    • C. 

      Foramen of lushcka

    • D. 

      A & C

    • E. 

      All of the above

  • 47. 
    Which type of hydrocephalus is caused by built up fluid or lack of absorption of fluid?
    • A. 

      Non-communicating.

    • B. 

      Communicating.

  • 48. 
    What supplies the dura mater?
    • A. 

      Middle Cerebral Artery

    • B. 

      Middle Meningeal Artery

    • C. 

      Anterior Cerebral Artery

  • 49. 
    Which Cranial Nerve is not entirely motor?
    • A. 

      III

    • B. 

      IV

    • C. 

      V

    • D. 

      XII

    • E. 

      XI

  • 50. 
    Anosmia is a dysfunction often linked to which cranial nerve.
    • A. 

      Olfactory

    • B. 

      Optic

    • C. 

      Facial

    • D. 

      Abducens

  • 51. 
    What is the only cranial nerve that exits dorsally?
    • A. 

      Trigeminal

    • B. 

      Facial

    • C. 

      Accessory

    • D. 

      Trochlear

  • 52. 
    Which Cranial Nerve exits anterior to the olives of the medulla?
    • A. 

      XI

    • B. 

      X

    • C. 

      IX

    • D. 

      XII

  • 53. 
    If CN III was damaged, which way would the eyeball drift?
    • A. 

      In

    • B. 

      Down

    • C. 

      Out

  • 54. 
    Which cranial nerve supplies the lateral recuts?
    • A. 

      III

    • B. 

      IV

    • C. 

      VI

  • 55. 
    What is an important midline structure in an MRI?
    • A. 

      Lateral ventricle

    • B. 

      Putamen

    • C. 

      3rd ventricle

    • D. 

      Anterior commissure

  • 56. 
    When is synaptogenesis most active in life?
    • A. 

      1st week.

    • B. 

      25 years old.

    • C. 

      7-8 years old.

    • D. 

      10-12 years old.

  • 57. 
    Where does the anterior horn of the lateral ventricle lie?
    • A. 

      Frontal Lobe

    • B. 

      Occipital Lobe

    • C. 

      Temporal lobe

  • 58. 
    Areas where grey matter cover the CNS are called?
    • A. 

      Cerebellum

    • B. 

      Tectum

    • C. 

      Cortex

  • 59. 
    Which of the following is not part of the basal ganglia?
    • A. 

      Putamen

    • B. 

      Cingulate Gyrus

    • C. 

      Globus Pallidus

    • D. 

      Caudate Nucleus

    • E. 

      Lentiform Nucleus

  • 60. 
    What controls executive functions?
    • A. 

      Post cortex

    • B. 

      Visual Association Cortex

    • C. 

      Prefrontal Cortex

  • 61. 
    According to Sunderland, a Type III injury of nerve involves these structures:
    • A. 

      Axon

    • B. 

      Axon, Endoneurium

    • C. 

      Axon, endoneurium, Perineurium

  • 62. 
    When a peripheral nerve is injured, degeneration occurs in a distal direction. This is called __________. If it occurs in a proximal direction, it is termed __________.
    • A. 

      Wallerian Degeneration, Traumatic Degeneration

    • B. 

      Traumatic Degeneration, Nontraumatic Degeneration

    • C. 

      Wallerian Degeneration, Atypical Degeneration

  • 63. 
    What does a Tinel's sign let you do?
    • A. 

      See if there is Median N. Compression

    • B. 

      See if there is Ulnar N. Compression.

    • C. 

      Check for tennis elbow.

    • D. 

      See if a nerve is regenerating.

  • 64. 
    Of the following, which has the worst potential for recovery?
    • A. 

      Neuropraxia

    • B. 

      Sunderland IV

    • C. 

      Neurotmesis

    • D. 

      Axonotmesis

  • 65. 
    ____________ is the most important layer for mechanical protetcion, which ________ is the most important blood-nerve barrier.
    • A. 

      Perineurium, Mesoneurium

    • B. 

      Epineurium, Perineurium

    • C. 

      Endoneurium, Perineurium

    • D. 

      Endoneurium, Epineurium

  • 66. 
    Which of the following is not a sign of nerve injury?
    • A. 

      Pain

    • B. 

      Muscle Atropy

    • C. 

      Aphasia

    • D. 

      Paresthesia

  • 67. 
    What is the largest commisure we have?
    • A. 

      Corpus Callosum

    • B. 

      Anterior Fasciculus

    • C. 

      Corona Radiata

  • 68. 
    What is true of Cranial nerves 1 & 2?
    • A. 

      They meet in the brainstem.

    • B. 

      They control extraocular movement.

    • C. 

      They do not go to the brainstem.

  • 69. 
    Which neurons are the most common type?
    • A. 

      Mutlipolar

    • B. 

      Nonpolar

    • C. 

      Unipolar

    • D. 

      Bipolar

  • 70. 
    Which structure is important for descening motor fibers to our flexor muscles?
    • A. 

      Olives

    • B. 

      Pyramids

    • C. 

      Red Nucleus

    • D. 

      Substantia Nigra

  • 71. 
    What is the lobule on the medial surface of the brain that controls motor AND sensory to our legs?
    • A. 

      Paracentral Lobule

    • B. 

      Periaqueductal Grey

    • C. 

      Interventricular Foramen

    • D. 

      Internal Capsule

  • 72. 
    What is the tissue that was once the front of the neural tube called?
    • A. 

      Ventricular System

    • B. 

      Tegmentum

    • C. 

      Lamina Terminalis

  • 73. 
    What is the function of the brainstem?
    • A. 

      Visual Processing

    • B. 

      Vegetative Functions

    • C. 

      Memory and Cognition

    • D. 

      Sensory and Perceptual

  • 74. 
    What is the primary difference between a neuron and glial cells?
    • A. 

      Length of Axon

    • B. 

      Cell body

    • C. 

      Dendritic connections

  • 75. 
    What divides the alar plate from the basal plate?
    • A. 

      Central sulcus

    • B. 

      Longitudinal Fissure

    • C. 

      Sulcus Limitans

    • D. 

      None of the above

  • 76. 
    Where does the DRG come from and what type of neuron is it?
    • A. 

      Neural tube, bipolar

    • B. 

      Neural crest, pseudounipolar

    • C. 

      Neural tube, multipolar

    • D. 

      Endoderm, pseudounipolar

  • 77. 
    What makes a nerve pathway a "special" one?
    • A. 

      Goes to a smaller muscle.

    • B. 

      Goes to a muscle that came from brachial arches.

    • C. 

      It has several bifurcations.

    • D. 

      It is a mixed nerve.

  • 78. 
    What is a common neurological principle that is used following a TBI?
    • A. 

      First in, first out

    • B. 

      First in, last out

    • C. 

      Last in, last out

  • 79. 
    Greater than 20% of tumors in middle aged adults are:
    • A. 

      Meningioma

    • B. 

      Ependymoma

    • C. 

      Medulloblastoma

  • 80. 
    The descending fiber bundle that forms a large bulge on the front of the midbrain is known as:
    • A. 

      Crus cerebri

    • B. 

      Internal capsule

    • C. 

      Cerebral peduncle

    • D. 

      A and C

    • E. 

      B and C

  • 81. 
    In the following picture, what do 1 and 2 refer to, respectively?
    • A. 

      Lentiform nucleus, hippocampus

    • B. 

      Lentiform nucleus, corpus callosum

    • C. 

      Corpus callosum, insula

    • D. 

      Lentiform nucleus, insula

  • 82. 
    What is the hippocampus shaped like?
    • A. 

      A flower

    • B. 

      A piece of pizza

    • C. 

      A seahorse

    • D. 

      An almond

  • 83. 
    Failure of the caudal neural tube to close may be due to lack of folic acid.
    • A. 

      True

    • B. 

      False

  • 84. 
    The limbic system is comprised of:
    • A. 

      Insula

    • B. 

      Cingulate Gyrus

    • C. 

      Hippocampus

    • D. 

      All of the above

  • 85. 
    The part of the ventricular system in the region of the cerebellum and pons is:
    • A. 

      3rd

    • B. 

      4th

    • C. 

      Cerebral aqueduct

    • D. 

      Lateral

  • 86. 
    The sensory part of the spinal cord is the:
    • A. 

      Ventral horn of the grey matter

    • B. 

      Dorsal horn of the grey matter

    • C. 

      Lateral fascilus

    • D. 

      Mantle layer

  • 87. 
    The pooling of CSF is often called:
    • A. 

      Sinus

    • B. 

      Ventricle

    • C. 

      Cistern

    • D. 

      Aneurysm

  • 88. 
    Where do projection fibers run?
    • A. 

      Between the two hemispheres

    • B. 

      Between gyri

    • C. 

      In the middle of any sulcus

    • D. 

      Into or out of the cortex

  • 89. 
    Signals from the huppocampus to the mamillary bodies are carried by:
    • A. 

      Cerebral aqueduct

    • B. 

      Fornix

    • C. 

      Anterior commissure

  • 90. 
    The brain has sensory innervation.
    • A. 

      True

    • B. 

      False

  • 91. 
    The venous sinus that bissects the cerebellum is called _____ and the one above the cerebellum is called________.
    • A. 

      Transverse sinus, straight sinus

    • B. 

      Straight sinus, cavernous sinus

    • C. 

      Straight sinus, transverse sinus

    • D. 

      Transverse sinus, horizontal sinus

  • 92. 
    What is the venous sinus that lies atop the corpus callosum?
    • A. 

      Superior sagittal

    • B. 

      Transverse

    • C. 

      Inferior sagittal

    • D. 

      Cavernous sinus

  • 93. 
    What supplies the precentral gyrus?
    • A. 

      ACA

    • B. 

      MCA

    • C. 

      PCA

    • D. 

      A & B

    • E. 

      A & C