Brain And Behavior Exam 3

74 Questions | Total Attempts: 92

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Brain Quizzes & Trivia

These are all questions from the powerpoints from chapter 7,8,9 Good luck!


Questions and Answers
  • 1. 
    What is a fertilized egg? 
    • A. 

      Zygote

    • B. 

      Ectoderm

    • C. 

      Neural groove

  • 2. 
    Note: A Human embryo will develop three cell layers: What is the outer layer, that becomes the nervous system 
    • A. 

      Zygote

    • B. 

      Ectoderm

    • C. 

      Neural groove

  • 3. 
    The ______________ forms between the ridges of the ectoderm
    • A. 

      Neural groove

    • B. 

      Zygote

    • C. 

      Neural tube

  • 4. 
    What forms from the neural ridges? 
    • A. 

      Neural

    • B. 

      Neural Tube

    • C. 

      Neural groove

  • 5. 
    The anterior part of the neural tube has three subdivisions- *check all that applies* 
    • A. 

      Forebrain

    • B. 

      Backbrain

    • C. 

      Midbrain

    • D. 

      Middlebrain

    • E. 

      Hindbrain

  • 6. 
    A developing human is called an ___________________ for the first 10 weeks, then a _____________ after
    • A. 

      Fetus, embryo

    • B. 

      Embryo, fetus

    • C. 

      Embryo, ectoderm

    • D. 

      None of the above

  • 7. 
    Define Neurogenesis
    • A. 

      Cells become distinctive neurons or glial cells

    • B. 

      Cells move to establish distinct population

    • C. 

      Mitosis produces neurons

  • 8. 
    Define Cell migration 
    • A. 

      Mitosis produces neurons

    • B. 

      Cells move to establish distinct populations

    • C. 

      Cells become distinctive neurons or glial cells

  • 9. 
    Define Differentiation
    • A. 

      Cells become distinctive neurons or glial cells

    • B. 

      Cells move to establish distinct populations

    • C. 

      Mitosis produces neurons

  • 10. 
    Define Synaptogenesis
    • A. 

      Mitosis produces neurons

    • B. 

      Establishment of synaptic connections

    • C. 

      Loss or development of synapses, fine tuning

    • D. 

      Selective death of some nerve cells

  • 11. 
    Define Neuronal cell death 
    • A. 

      Selective death of some nerve cells

    • B. 

      Establishment of synaptic connections

    • C. 

      Loss or development of synapses, fine tuning

  • 12. 
    Define Synapse rearrangement 
    • A. 

      Selective death of some nerve cells

    • B. 

      Loss or development of synapses, fine-tuning

    • C. 

      Establishment of synaptic connections

  • 13. 
    __________ is the production of nerve cells
    • A. 

      Mitosis

    • B. 

      Ventricular zone

    • C. 

      Neurogenesis

  • 14. 
    Nonneural cells divide through ________ and form the ____________
    • A. 

      Mitosis, ventricular zone

    • B. 

      Ventricular zone, mitosis

    • C. 

      Cell-cell interaction, neurogenesis

    • D. 

      Neurogenesis, cell-cell interaction

  • 15. 
    Cells leave the ventricular zone and become 
    • A. 

      Neruons

    • B. 

      Glial cells

    • C. 

      Non neural

    • D. 

      Both A and B are correct

    • E. 

      A B and C are correct

  • 16. 
    True or FalseIn vertebrates, development is shaped by cell-cell interactions, and is less predetermined.
    • A. 

      False

    • B. 

      True

  • 17. 
    True or False During cell migration cells do not move away from the ventricular layer? 
    • A. 

      False

    • B. 

      True

  • 18. 
    True or False Radial glial cells act as guides for cells to migrate along. 
    • A. 

      False

    • B. 

      True

  • 19. 
    Cell adhesion molecules (CAMs) promote adhesion of parts of the nervous system to guide cells 
    • A. 

      True

    • B. 

      False

  • 20. 
    When cells reach their destinations they begin to _______ genes to make the proteins they need. 
    • A. 

      Activate

    • B. 

      Express

    • C. 

      Depress

    • D. 

      Deactivate

  • 21. 
    True or falseCell differentiation allows a cell to acquire its specific appearance and function 
    • A. 

      True

    • B. 

      False

  • 22. 
    Independent of other cells and driven by genes, intrinsic organization as seen in vitro 
    • A. 

      Neural environment

    • B. 

      Cell-autonomous

  • 23. 
    Cells are affected by the influence of other cells 
    • A. 

      Cell-autonomous

    • B. 

      Neural environment

  • 24. 
    An injured nerve cell responds in different ways: - destruction of the cell after an injury close to the cell body... (former target cells of that neuron may show transneuronal degeneration) 
    • A. 

      Anterograde degeneration

    • B. 

      Retrograde degeneration

    • C. 

      Notochord

    • D. 

      Induction

  • 25. 
    - or Wallerian degeneration- loss of the distal portion of an axon after an injury to the axon(The axon may regrow, especially in the peripheral nervous system- guided by CAMs) 
    • A. 

      Retrograde degeneration

    • B. 

      Anterograde degeneration

    • C. 

      Induction

    • D. 

      Notochord

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