Qtr 3 Neuroanatomy exam 1

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  1. What is the name of the floor of the 4th ventricle?
    Rhomboid fossa
  2. What divides the pontine (upper) and medullar (lower) halves of the rhomboid fossa?
    Striae Medullaris
  3. What divides the rhomboid fossa into right and left halves?
    Dorsal median sulcus
  4. What divides the alar and basal plates?
    Sulcus limitans
  5. What lies between plate lies between the dorsal median sulcus and sulcus limitans?
    Basal plate (alar is more lateral)
  6. How many inches long is the spinal cord?
    18
  7. Between what levels is the the cervical and lumbar enlargments?
    • Cervical C5-T2
    • Lumbar L4 - S3
  8. What levels do the splanic nerves exit?
    T5 - T12
  9. What pathology is characterized by Ptosis, Anhydrosis, Miosis?
    Horner's syndrome

    PAM IS HORNEY
  10. What three layers are formed during gastrulation?
    • Ectoderm
    • Endoderm
    • Mesoderm
  11. Were is the notocord formed?
    Mesoderm
  12. What is secreted by the notocord and what is formed?
    The notocord secretes retinoic acid and Sonic hedgehog. They are secreted to the ectoderm to form the neural plate-->Neural groove--> Neural folds--> Neural crest cells (in that order)
  13. What foramen does CSF pass through from the lateral to the 3rd ventricles?
    Interventricular foramina of monroe
  14. How does CSF exit the 4th ventricle?
    • median magendie foramina
    • two lateral luschka foramina
  15. what cistern connects the superior cistern with the interpeduncular cistern
    ambiens cistern
  16. what disease is caused by the tonsils of the cerebellum herniating into the foramen magnum resulting in non-communicating hydrocephalus?
    Arnold-Chiari malformation
  17. what disease may cause destruction of the arachnoid granulations?
    meningitis
  18. What gland secretes mucus in the in which the cilia of the olfactory receptor    cells are suspended?
    Bowman's
  19. What cells are found in the olfactory bulb?
    mitral cells
  20. What part of the thalamus do olfactory axons synapse?
    dorsal medial thalamic nuclei
  21. what do cranial nerves III, IV, and VI all pass through?
    lateral wall of cavernous sinus
  22. Where does the oculomotor nerve exit the brain stem?
    Junction between midbrain and cerebral peduncle
  23. what runs through the ambiens cistern with the  trochlear nerve???
    • posterior cerebral artery
    • Superior cerebellar artery
  24. Which ocular nerve does not pass through the tendinous ring?
    trochlear nerve
  25. where is the nucleus of the abducens nerve found?
    pontine part of the floor of the 4th ventricle
  26. Where does the abducens nerve exit the brain stem?
    middle of the ponto-medullary junction
  27. what nerve(s) may be damaged if a patient presents with diplopia?
    CN III, IV, VI
  28. What nerve is most likely damaged when a patient presents with ptosis?
    oculomotor
  29. what foramen does the maxillary branch of the trigeminal nerve pass through?
    foramen rotundum
  30. What foramen does the mandibular division exit the skull through?
    foramen ovale

    (Mandible looks like a valley)
  31. where does the ophthalmic division of the trigeminal nerve exit the skull?
    superior orbital fissure
  32. what division of the trigeminal nerve carries efferent motor?
    mandibular
  33. What glands does the facial nerve transmit parasympathetic fibers too?
    • Submandibular
    • Sublingual
  34. Where is the nuclei for the parasympathetic fibers of CNVII?
    Superior Salivary nucleus
  35. What nerves are connected by the chorda tympani?
    Lingual nerve and facial nerve
  36. Where is the primary auditory cortex located?
    Area 41, 42 (middle portion of superior temporal gyrus)
  37. What nerve cranial nerve synapses in the otic ganglion??
    CN IX glossopharyngeal nerve
  38. What gland does the otic ganglion communicate with?
    Parotid Gland
  39. What is the only muscle supplied by CNIX?
    Stylopharyngeus
  40. What is the only muscle of the tongue not supplied by the hypoglossal nerve and what nerve supplies it?
    palatoglossus (pharyngeal plexus of vagus)
  41. What layers of the lateral geniculate body receive info from contralateral retinas and ipsilateral retinas respectively?
    • 1,4,6 (Contralateral)
    • 2,3,5 (ipsilateral)
  42. What forms the floor of the third ventricle?
    Hypothalamus
  43. What part of the hypothalamus secretes ADH, oxytocin, and corticotropin-releasing hormone?
    Paraventricular nuclei
  44. What disease results from degeneration of the caudate nucleus?
    Huntingtons disease
  45. What CN innervates the lacrimal gland?
    Trigeminal-Opthalmic-Lacrimal nerve
  46. What are the branches of the opthalmic division of the trigeminal nerve?
    • Supratentorial (meningeal) 
    • Frontal 
    •     - Supraorbital
    •     - Supratrochlear
    • Nasociliary 
    •     - Infratrochlear
    •     - Communication (para pterygopalatine ganglion
    • Lacrimal
    •     - short and long ciliary
  47. What nerve is the ciliary ganglion attached to?
    • Long and short ciliary nerve
    • Opthalmic division of trigeminal
  48. What is the function of the otic ganglion

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Author:
 bradley.knox
ID:
 212445
Filename:
 Qtr 3 Neuroanatomy exam 1
Updated:
2013-06-09 01:54:30
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