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Locomotion and Movement Test - 48

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Locomotion and Movement Test - 48
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  • Question 1
    1 / -0
    If a ligament is cut or damaged the joint becomes
    Solution
    The connective tissues which are found around joints are the ligaments and this help to stabilise the joint, maximise its strength and prevent any excess movement of the joints. The ligaments are attached to both sides of the bones and any tear or injury to the ligaments tends to make the joints unstable. So, the correct answer is option D.
  • Question 2
    1 / -0
    Which of these forms wrist joint along with styloid process of radioulna?
    Solution
    The styloid process of the ulna is found at distal end of the forearm, and projects from the medial and back part of the bone. Carpal bones of the hand are as follows-
    Proximal:  1. Scaphoid, 2. Lunate, 3. Triquetrum, 4. Pisiform. 
    Distal: 5. Trapezium, 6. Trapezoid, 7. Capitate, 8. Hamate.
    So, the correct answer is option D. 
  • Question 3
    1 / -0
    Select the correct statement regarding the specific disorder of muscular or skeletal system.
    Solution

    Solution:

    Correct answer is option B.
    Explanation for correct option:

    • A specific disorder of the skeletal system is osteoporosis. It is a condition where the bones become fragile and brittle from the loss of bone tissue.
    • While this affects both men and women it is seen mostly among women, this typically results from the deficiency of calcium or vitamin D or hormonal changes. 

    Explanation for correction option: 
    • Myasthenia gravis is a chronic autoimmune disorder in which antibodies destroy the communication between nerves and muscle.
    • Gout is caused by a condition known as hyperuricemia, where there is too much uric acid in the body.
    • Muscular dystrophy is a group of inherited diseases that damage and weaken muscles over a period of time.
  • Question 4
    1 / -0
    Paralysis of both lower limbs due to spinal cord damage and not the upper limbs is called 
    Solution
    Paraplegia is an impairment in motor or sensory function of the lower extremities. It is usually the result of spinal cord injury.
  • Question 5
    1 / -0
    Which of the following is the regulatory protein of a muscle?
    Solution
    Tropomyosin is the protein which is present in the grooves of the actin filament. This protein is known as the regulatory protein. The protein in the relaxed state prevents the contraction of the muscle by myosin. The protein hides the active site of the myosin and prevents the process of contraction. The protein is responsible for the regulation of contraction and relaxation of the muscle. 
    Thus, the correct answer is option C. 
  • Question 6
    1 / -0
    Acetabulum is associated with __________.
    Solution
    The acetabulum is a concave surface of the pelvis. It is the socket of the hip bone (pelvis), into which the head of the femur fits. 
    So, the correct answer is 'Pelvic girdle'.
  • Question 7
    1 / -0
    Obturator foramen is found in
    Solution
    The pelvic girdle is comprised of the ileum, pubis and ischium. The pubis and the ischium bones are connected and posses a space or cavity. This cavity is known as the obturator foramen. This is the space through which the blood vessels and the nerves can pass. This opening is present in the pelvic girdle of the rabbit. 
    Thus, the correct answer is option C. 

  • Question 8
    1 / -0
    In the pelvic girdle of man A, B, C, D and E respectively represents

    Solution
    The ischium forms the lower and back part of the hip bone. The acetabulum is a concave surface of the pelvis. The head of the femur joins with the pelvis at the acetabulum. In vertebrates, the pubic bone is the ventral and anterior of the three principal bones composing either half of the pelvis. The ilium is the largest of the three innominate bones of the pelvis. It is a large, flattened, somewhat cup-shaped bone having a large crest anteriorly. The pubic symphysis is a midline or secondary cartilaginous joint located between the left and right pubic bones of the median plane.
    So, the correct answer is option B.
  • Question 9
    1 / -0
    The coxal of the pelvic girdle is formed by the fusion by
    Solution
    The hip bone or innominate bone or coxal bone is a large, flattened, irregularly shaped bone. It consists of three parts, the ilium, ischium, and pubis, which are fused in the adult. 
  • Question 10
    1 / -0
    Haversian canal are located in
    Solution
    Haversian canals are found in the bone matrix of the long bone of mammals (Rabbit, rat, etc). These canals surround blood vessels and nerve cells throughout bones and facilitate communication within bone cells. Thus, the correct answer is option D.
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