Week 8: Central Nervous System

1. 1The large mass of white matter which courses between the cerebral hemispheres is called the

   1. Athalamus
   2. Bcorpus callosum
   3. Cbasal nuclei
   4. Darachnoid mater
   5. Efalx cerebri
2. 2Which of the following statements concerning the grey matter of the brain is NOT correct?

   1. Ait occurs in the thalamus
   2. Bit occurs in the corpus callosum
   3. Cit occurs in the cortex of the cerebrum
   4. Dit contains many neuronal cell bodies
   5. Eit occurs in the basal nuclei
3. 3True or False: Gray matter exists only as the outer covering of the brain where it is convoluted.

   1. ATrue
   2. BFalse
4. 4Which of the following statements concerning the filum terminale is NOT correct?

   1. Aextends from the conus medullaris
   2. Bis surrounded by the cauda equina
   3. Cattaches to the coccyx
   4. Dis a condensation of pia mater
   5. Eis the terminal end of the spinal cord
5. 5The [blank_start]cauda equina[blank_end] is a bundle of nerves that splay out inferiorly from the conus medullaris of the spinal cord.
   
   

   1. Acauda equina
6. 6The midsagittal plane passes through all of the following EXCEPT the

   1. Apons
   2. Bthalamus
   3. Ccerebral aqueduct
   4. Dbasal nuclei
   5. Ecorpus callosum
7. 7True or False: The entire CNS is protected by a bony casement.
   

   1. ATrue
   2. BFalse
8. 8Which region of the brain forms the wall of the lateral ventricles?

   1. Acerebellum
   2. Bpons
   3. Ccerebral hemispheres
   4. Dmidbrain
   5. Emedulla oblongata
9. 9The [blank_start]falx cerebri[blank_end] is an extension of the dura mater into the longitudinal fissure of the cerebrum.
   
   

   1. Afalx cerebri
10. 10Features of the cerebral hemispheres include

    1. Afolia
    2. Bbasal nuclei
    3. Cpons
    4. Dthalamus
    5. Ethird ventricle

11. 11True or False: The brain is the only part of the CNS that is covered with meninges and bathed in cerebrospinal fluid.
    

    1. ATrue
    2. BFalse
12. 12Which of the following structures are partially surrounded by the medulla oblongata?

    1. Afourth ventricle
    2. Bcerebral aqueduct
    3. Clongitudinal fissure
    4. Dthird ventricle
    5. Einterventricular foramen
13. 13Examples of Glial Cells
    1. [blank_start]Astrocytes[blank_end] (CNS)
    Form links between neurones and blood vessels
    2. [blank_start]Oligodendrocytes[blank_end] (CNS)
    Produce insulating myelin sheaths for CNS neurones
    3. [blank_start]Microglia[blank_end] (CNS)
    Provide immunity from disease & remove debris
    4. [blank_start]Schwann cells[blank_end] (PNS)
    Produce insulating myelin sheaths for PNS neurones
    

    1. AAstrocytes
    2. BOligodendrocytes
    3. CMicroglia
    4. DSchwann cells
14. 14[blank_start]Nissl bodies[blank_end] are rough endoplasmic reticulum of the soma of neurones

    1. ANissl bodies
15. 15Myelin sheath is formed from cell membranes of myelinating cells (~ [blank_start]80[blank_end]% lipid & [blank_start]20[blank_end]% protein)

    1. A80
    2. B20
16. 16Label the synapses by structure

    

    1. AUnipolar
    2. BBipolar
    3. CMultipolar
17. 17Label

    

    1. ATemporal lobe
    2. BOccipital lobe
    3. CParietal lobe
    4. DFrontal lobe
18. 18Cerebral White Matter
    
    Axons in white matter are organised into pathways called tracts.
    [blank_start]Commissural[blank_end] tracts link corresponding areas of grey matter in cerebral hemispheres. The largest [blank_start]commissural[blank_end] tract is the [blank_start]Corpus callosum[blank_end]. [blank_start]Projection[blank_end] tracts link the cerebral hemispheres to inferior CNS regions.

    1. ACommissural
    2. BCorpus callosum
    3. CProjection
    4. Dcommissural
19. 19In the brain, the thalamus relays [blank_start]sensory[blank_end] data to specific areas of the cerebral cortex.

    1. Asensory
20. 20The hypothalamus is an Autonomic control centre. Regulates many mechanisms of [blank_start]homeostasis[blank_end];

    1. Ahomeostasis
21. 21The part of the brain that develops the plans needed for smooth coordinated movements is the [blank_start]cerebellum[blank_end].
    

    1. Acerebellum
22. 22Label

    

    1. AIntraventricular foramen
    2. Bthird ventricle
    3. Cfourth ventricle
    4. Dlateral ventricles
    5. Ecerebral aqueduct
    6. Fcentral canal
23. 23Label

    

    1. ADorsal root ganglion
    2. Bposterior median sulcus
    3. Canterior median fissure
    4. Dwhite matter
    5. ESPINAL NERVE
    6. Fdorsal horn
    7. Gcentral canal
    8. Hventral horn
    9. Igrey matter
24. 24Sensory neurones enter via [blank_start]dorsal[blank_end] horn of grey matter. Motor neurones exit via [blank_start]ventral[blank_end] horn of grey matter

    1. Adorsal
    2. Bventral
25. 25Which of the following statements is FALSE concerning the spinal cord?
    
    
    
    
    

    1. Athe spinal cord ends at the level of L1/L2
    2. Bthere are enlargements of the spinal cord at each vertebral level
    3. Cthe spinal cord terminates at the conus medullaris
    4. Dthe gray matter is H-shaped and deep to the white matter
    5. Ethe spinal cord begins immediately inferior to the medulla oblongata
26. 26The conus medullaris
    ANSWER MAYBE NOT RIGHT

    1. Ais part of the brainstem
    2. Bis a region of only white matter
    3. Cis located in the cranial cavity
    4. Dis located at the sacral level of the vertebral canal
    5. Elies adjacent to the lumbar enlargement of the spinal cord
27. 27The adult spinal cord often terminates inferiorly at the vertebral level of

    1. AL4/L5
    2. BL3/L4
    3. CL2/L3
    4. DT12
    5. EL1/L2
28. 28Concerning the meninges and their intermeningeal spaces

    1. Athe subarachnoid space is a potential space
    2. Bdura mater lies external to the epidural space
    3. Carachnoid mater is the innermost meninx
    4. Dall meninges extend into the intervertebral foramina
    5. Ethe subdural space is a real space

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Bachelors Degree Human Systematic Anatomy (Week 8) Quiz on Week 8: Central Nervous System, created by Amanda Ariotti on 04/05/2016.

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Amanda Ariotti

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