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CHE - Nervous Tissue

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  • Histology- Nervous Tissue 1st Year PMU

    Question 1 of 25

    1

    Fill the blank space to complete the text.

    By light microscopic observation of spinal cord on transverse sections stained with toluidinblue, multipolar neurons with cytoplasm filled with blue granules in the anterior horns are observed.
    What is the name of these structures and the appearance of which organelle are they?
    Ans:

    Question 2 of 25

    1

    Fill the blank space to complete the text.

    Under electron microscope, a transverse section of cylindrical in shape structure with dark and light lines arranged in concentric manner is observed. Peripherally, a part of cytoplasm with mitochondria and nucleus is visible.
    What is the name of the described structure?
    Ans:

    Question 3 of 25

    1

    Fill the blank space to complete the text.

    Under light microscope, on sections from cerebrum stained with AuCl2 star-shaped neurons with numerous long non-branching processes localized in the white matter are observed. Some of the processes attach to the blood vessels wall.
    What is the name of these cells and what is their function?
    Ans:

    Question 4 of 25

    1

    Fill the blank space to complete the text.

    Under light microscope. on sections stained with 0s04 bundles of black colored fiber-like structures appear. There are gaps in their outer sheath and it is seen to be an incomplete or interrupted cylinder. Radial clefts or fissures, extending through the thickness of the sheath are also visible.
    What is the name of the described structures?
    Ans:

    Question 5 of 25

    1

    The neurons show regeneration ability

    Select one of the following:

    • True
    • False

    Question 6 of 25

    1

    The neuroglial cells conduct a nervous impulse

    Select one of the following:

    • True
    • False

    Question 7 of 25

    1

    By light microscope observation the Nissl substance is visible in the axons:

    Select one of the following:

    • True
    • False

    Question 8 of 25

    1

    Only one axon takes part in the formation of the myelinated nerve fibers

    Select one of the following:

    • True
    • False

    Question 9 of 25

    1

    Only one axon takes part in the formation of the nonmyelinated nerve fibers:

    Select one of the following:

    • True
    • False

    Question 10 of 25

    1

    The bodies (perikaryons) of the neurons are localized in the white matter:

    Select one of the following:

    • True
    • False

    Question 11 of 25

    1

    What embryonic sheet derive the neurons from:

    Select one of the following:

    • Ectoblast

    • Endoblast

    • Mesoblast

    • Mesenchyme

    Question 12 of 25

    1

    What embryonic sheet derive the macroglia from:

    Select one of the following:

    • Ectoblast

    • Endoblast

    • Mesoblast

    • Mesenchyme

    Question 13 of 25

    1

    What embryonic sheet derive the microglia from:

    Select one of the following:

    • Ectoblast

    • Endoblast

    • Mesoblast

    • Mesenchyme

    Question 14 of 25

    1

    The pseudounipolar neurons consist of:

    Select one of the following:

    • Body, axon, dendrite

    • Body, axon, dendrites

    • Body and axon

    • Body and dendrite

    Question 15 of 25

    1

    The mutipolar neurons consist of:

    Select one of the following:

    • Body, axon, dendrite

    • Body, axon, dendrites

    • Body and axon

    • Body and dendrite

    Question 16 of 25

    1

    Which of the following elements of the cytoskeleton are well developed in the neurons:

    Select one of the following:

    • Tonofibrils

    • Myofibrils

    • Neurofibrils

    • Microfibrils

    Question 17 of 25

    1

    Which of the following types of neuroglial cells are localized in the grey matter:

    Select one of the following:

    • Fibrous astrocytes

    • Protoplasmic astrocytes

    • Ependymocytes

    • Schawann cells

    Question 18 of 25

    1

    The sheath of the nerve fibers in the peripheral nervous system is built from:

    Select one of the following:

    • Astrocytes

    • Oligodendrocytes

    • Ependymocytes

    • Schawann cells

    Question 19 of 25

    1

    The sheath of the nerve fibers in the central nervous system (white matter) is built from:

    Select one of the following:

    • Astrocytes

    • Oligodendrocytes

    • Ependymocytes

    • Schawann cells

    Question 20 of 25

    1

    Which of the following neuroglial cells take part in the production of the cerebro-spinal fluid

    Select one of the following:

    • Astrocytes

    • Oligodendrocytes

    • Ependymocytes

    • Schawann cells

    Question 21 of 25

    5

    Which of the following characteristics are specific for the neurons

    Select one or more of the following:

    • Collect stimuli and transform them into nervous impulse

    • Regeneration ability

    • Synthesize and release neurotransmitters

    • Supporting and protective functions

    • Presence of different in function processes

    Question 22 of 25

    5

    Which of the following characteristics are specific for the neuroglial cells:

    Select one or more of the following:

    • Collect stimuli and transform them into nervous impulse

    • Regeneration ability

    • Synthesize and release neurotransmitters

    • Supporting and protective functions

    • Presence of different in function processes

    Question 23 of 25

    5

    Which of the following elements are visible in the neurons by light microscopic observation

    Select one or more of the following:

    • Big in size, pale stained nucleus

    • Eosinophilic cytoplasm

    • Nissl substance

    • Tonofibrils

    • Neurofibrils

    Question 24 of 25

    5

    The nonmyelinated nerve fibers consist of:

    Select one or more of the following:

    • Axon

    • Myelin sheath

    • Schwann sheath

    • Endoneurium

    • Microglia

    Question 25 of 25

    5

    The myelinated nerve fibers consist of:

    Select one or more of the following:

    • Axon

    • Myelin sheath

    • Schwann sheath

    • Endoneurium

    • Microglia