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Locomotion and Movement Test - 50

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Locomotion and Movement Test - 50
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Weekly Quiz Competition
  • Question 1
    1 / -0
    Myoglobin is present in red muscle fibres to 
    Solution
    Myoglobin is the primary oxygen-carrying pigment of muscle tissues. It is an iron and oxygen-binding protein found in the muscle tissue of vertebrates and in almost all mammals. It is related to haemoglobin, which is the iron and oxygen-binding protein in blood, specifically in the red blood cells. 
    So, the correct answer is option A.
  • Question 2
    1 / -0
    Deltoid ridge is found in which one of the following bones?
    Solution
    The deltoid ridges are important points of muscle attachment in humerus bone. The deltoid ridge extends from the greater tubercle along the lateral edge of the bone.
  • Question 3
    1 / -0
    Axis vertebrae is identified by
    Solution
    The second cervical vertebra (C2) of the spine is named as the axis vertebra. It forms the pivot upon which the first cervical vertebra (the atlas) carrying the head, rotates. The most distinctive characteristic of this bone is the strong odontoid process known as the 'dens' which rises perpendicularly from the upper surface of the body. This peculiar feature gives the vertebra a rarely used third name, vertebra dentata. In judicial hangings, the odontoid process may break and hit the medulla oblongata, resulting in death.
    Therefore, the correct answer is option C.
  • Question 4
    1 / -0
    Which one of the following is a pheromone?
    Solution
    A pheromone is a chemical an animal produces, which changes the behavior of another animal of the same species (animals include insects). Pheromones invoke a specific response in other membranes like recognition, warning and attraction. Examples of sex pheromone is Bombykol (silkworm), Queen substance (honey bee), Civetone (cat), Muskkone (muskdeer); aggregation pheromones Geradiol (honey bee).
  • Question 5
    1 / -0
    In man, the thoracic basket is composed of _________.
  • Question 6
    1 / -0
    The joint between the atlas and axis vertebrae in man is
    Solution
    • The joint between the atlas and axis vertebrae in man is the pivot joint.
    • These joints allow only one type of movement, the rotation of one bone on or around another.  
    • An example of a pivot joint is the joint between the atlas and axis (C1 & C2) vertebrae, the rotation around each other allows our heads to pivot left and right. 
    So, the correct answer is option D.
  • Question 7
    1 / -0
    Largest mammalian vertebra is
    Solution
    Humans have 5 lumbar vertebrae. They are largest, strongest vertebrae; adapted for attachment of back $$L_1$$ - $$L_5$$ muscles. The lumbar vertebrae support back muscles that allow forward and backward bending of spine.
  • Question 8
    1 / -0
    The diagram shows different bones. Which bone performs an important function in immune system?

    Solution
    The bone marrow is the location where all cells of the immune system begin their development from primitive stem cells. Bone marrow is also a key component of the lymphatic system, producing the lymphocytes that support the body's immune system. Red marrow is found mainly in the flat bones, such as the pelvis, sternum, cranium, ribs, vertebrae and scapulae, and in the cancellous material at the epiphyseal ends of long bones such as the femur and humerus. 
  • Question 9
    1 / -0
    Which of the following is an autoimmune disorder?
    Solution
    • An autoimmune disorder is a condition where the body's own immune system attacks and destroys its own tissues by mistake. 
    • Myasthenia gravis is an autoimmune disorder in which the body produces antibodies against the neurotransmitter acetylcholine nicotinic in skeletal muscles.
  • Question 10
    1 / -0
    Filum terminale is attached to 
    Solution
    The filum terminale, is a delicate strand of fibrous tissue, about 20 cm in length, proceeding downward from the apex of the conus medullaris. It is one of the modifications of pia mater. Filum terminale is attached to the first segment of coccyx.
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