Husnain Ahmed
Quiz by , created 10 months ago

Histology- Muscle Tissue

2
0
0
Tags
Sole C
Created by Sole C almost 5 years ago
Med Student
Copied by Med Student almost 4 years ago
Husnain Ahmed
Copied by Husnain Ahmed 10 months ago
Close
  • Histology- Muscle Tissue 1st Year

    Question 1 of 26

    1

    By muscle contraction the length of the I-discus is diminished whereas the A-discus is unchanged.

    Select one of the following:

    • True
    • False

    Question 2 of 26

    1

    "Sacromere" is a concept designated to the part of the myofibril between two Z-lines.

    Select one of the following:

    • True
    • False

    Question 3 of 26

    1

    Leiomyofibril is the cell specific for the striated muscle tissue.

    Select one of the following:

    • True
    • False

    Question 4 of 26

    1

    The intercalated discs are localized in the cardiac muscle tissue.

    Select one of the following:

    • True
    • False

    Question 5 of 26

    1

    Z-Line (telophragma) is in the middle of the I-discus of the myofibril.

    Select one of the following:

    • True
    • False

    Question 6 of 26

    1

    The loose connective tissue plays a role of inter-cellular substance for the muscle tissue.

    Select one of the following:

    • True
    • False

    Question 7 of 26

    1

    Z-line (telophragma) is in the middle of the A- discus of the myofibril

    Select one of the following:

    • True
    • False

    Question 8 of 26

    1

    The myofibril is:

    Select one of the following:

    • Specialized cell organelle

    • Cell

    • Syncytium

    • Symplast

    Question 9 of 26

    1

    Under electron microscope in H - band of myofibril are observed:

    Select one of the following:

    • Thin myofilaments

    • Thick myofilaments

    • Thin and thick myofilaments

    • No myofilaments

    Question 10 of 26

    1

    The nuclei of the striated myofibre are localized:

    Select one of the following:

    • In the central part of the cytoplasm

    • Sublemmal (under the plasma membrane)

    • Without strictly localization

    • Along the bundles of myofibrils

    Question 11 of 26

    1

    The intercalated discs between the cardiomyocytes are localized:

    Select one of the following:

    • Step-like

    • Under the plasma membrane

    • Without strictly localization

    • Along the bundles of cardiomyofibrils

    Question 12 of 26

    1

    Under electron microscope in I-disc of the myofibril are observed:

    Select one of the following:

    • Thin myofilaments

    • Thick myofilaments

    • Thin and thick myofilaments

    • No myofilaments

    Question 13 of 26

    1

    The cardiomyocytes bind together through:

    Select one of the following:

    • Interdigitation ("zipper" interlocking)

    • Intercalated discs

    • Hemi-desmosomes

    • Basal lamina

    Question 14 of 26

    1

    Under electron microscope in A-disc of the myofibril are observed:

    Select one of the following:

    • Thin myofilaments

    • Thick myofilaments

    • Thin and thick myofilaments

    • No myofilaments

    Question 15 of 26

    1

    The cardiomyofibrils in the cells of impulse-conductive muscle tissue:

    Select one of the following:

    • Are scanty and centrally placed in the cell

    • Fill the whole cell cytoplasm

    • Are scanty and peripherally placed in the cell

    • Are lacking

    Question 16 of 26

    1

    The sacrosomes in the muscle tissue cells are:

    Select one of the following:

    • Phagesomes

    • Mitochondria

    • Lysosomes

    • Cell inclusions

    Question 17 of 26

    1

    Myoepithelial cells are localized

    Select one of the following:

    • In the wall of some acini

    • In the blood vessels wall

    • In the skeletal muscles

    • In the wall of the semi-niferous tubules

    Question 18 of 26

    5

    The most specific features of the muscles tissue are:

    Select one or more of the following:

    • Abundant intercellular substance

    • Numerous blood vessels and nerve endings

    • Lack of proper intercellular substance

    • Presence of three types of microscopic organisation

    • Presence of tonofibrils

    Question 19 of 26

    5

    Which of the following is specific for the striated skeletal muscle tissue:

    Select one or more of the following:

    • Presence of striated myofibrils

    • Presence of smooth myofibrils

    • Symplast type of organisation

    • Syncytial type of organisation

    • Origin from the mesoblast

    Question 20 of 26

    5

    Which of the following is specific for the smooth muscle tissue:

    Select one or more of the following:

    • Presence of striated myofibrils

    • Presence of smooth myofibrils

    • Cellular type of organisation

    • Origin from the mesenchyme

    • Origin of the mesoblast

    Question 21 of 26

    5

    Which of the following characteristics are specific for cardiac striated muscle tissue

    Select one or more of the following:

    • Presence of smooth myofibrils

    • Presence of cardiac myofibrils

    • Cellular type of microscopic organisation

    • Symplast type of microscopic organisation

    • Syntical type of microscopic organisation

    Question 22 of 26

    5

    The intercalated discs of the cardiac muscle tissue consists of:

    Select one or more of the following:

    • "Zipper" interlocking (interdigitatio)

    • Gap junctions (nexus)

    • Tight junctions (zonula occludens)

    • Hemi-desmosomes

    • Desmosomes

    Question 23 of 26

    1

    Fill the blank space to complete the text.

    Under the light microscope - (H- E staining), bundles of striated cylindrical structures with numerous peripherally placed nuclei are visible.
    What type of muscle tissue is this?
    Ans:

    Question 24 of 26

    1

    Fill the blank space to complete the text.

    Under the light microscope - (H- E staining), long cells with centrally placed spherical nuclei, divided in two or more branches at its ends appear. Between the adjacent cells, dark lines pass in an irregular, step-like manner.
    What type of muscle tissue is this?
    Ans:

    Question 25 of 26

    6

    Select from the dropdown lists to complete the text.

    Associate each type of muscle tissue with its corresponding features:
    A/ smooth muscle tissue ( b, a, c, d, e, f ), ( d, a, b, c, e, f )
    B/ cardiac striated muscle tissue ( c, a, b, d, e, f ), ( f, a, b, c, d, e )
    C/ skeletal striated muscle tissue ( a, b, c, d, e, f ), ( e, a, b, c, d, f )

    a/ presence of striated myofibrils
    b/ presence of smooth myofibrils
    c/ presence of cardiac myofibrils
    d/ cellular type of microscopic organization
    e/ symplast type of microscopic organization
    f/ syncytial type of microscopic organization

    Question 26 of 26

    1

    Fill the blank space to complete the text.

    Under the light microscope - (H-E. staining). elongated (spindle-shaped) cells with centrally placed nuclei. arranged in layers are observed.
    What type of muscle tissue is this?
    Ans: