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Body Fluids and Circulation Test - 54

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Body Fluids and Circulation Test - 54
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Weekly Quiz Competition
  • Question 1
    1 / -0
    For one complete circuit in the body, a blood cell takes
    Solution
    The normal blood volume in humans is about 5.6 litres. The speed of blood when it leaves the heart is three feet per second, but it slows down as it gets into smaller arteries and capillaries. It takes a minute i.e 60 seconds to get around the body. 
    So, the correct answer is '60 seconds'.
  • Question 2
    1 / -0
    Choroid plexus is network of
    Solution
    Choroid plexus is a network of blood vessels in each ventricle of the brain, producing the cerebrospinal fluid.
    So, the correct option is C.
  • Question 3
    1 / -0
    Name the blood cells whose reduction in number can cause clotting disorder, leading to excessive loss of blood from the body
  • Question 4
    1 / -0
    Rete mirabile is found in
    Solution
    A complex of arteries and veins lying very close to each other is called as Rete mirabile. It is found in some vertebrates like Bony fishes and aquatic mammals. In some fish, a rete mirabile fills the swim bladder with oxygen, increasing the fish's buoyancy.
    So, the correct answer is 'Both B and C'.
  • Question 5
    1 / -0
    If the foetus is Rh (+) ve and the mother is Rh (-) ve, then
    Solution
    If mother is Rh- and the foetus Rh+ then antigens of foetus are attacked by antibodies of mother's blood as to the mother foetus's antigens acts as an invading foreign particles. It causes the destruction of RBCs of the foetus.
    So, the correct answer is C.
  • Question 6
    1 / -0
    Number of great vessels is
    Solution
    The blood vessels which are directly associated with the heart are called as great vessels. They are the large vessels that bring blood to and from the heart. Great vessels are 8 in number i.e the ascending aorta(1), the pulmonary trunk(1), the pulmonary veins(4), the superior vena cava(1), and the inferior vena cava(1).
    So, the correct answer is '8'.
  • Question 7
    1 / -0
    Total length of blood vessels in human body is
    Solution
    If all the arteries, veins, and capillaries were laid end to end, the total length would be 60,000 miles or 100,000 km. That's nearly two and a half times around the Earth!
    So, the correct answer is '1000,000km'.
  • Question 8
    1 / -0
    Intercrescence of endothelium and endodermis occurs in
    Solution
    The connected system of hollow cavities in the Skull is called as Sinuses. They're lined with soft, pink tissue called mucosa. Normally, the sinuses are empty except for a thin layer of mucus. Intercrescence of endothelium and endodermis occurs in them.
    So, the correct answer is 'Sinuses'.
  • Question 9
    1 / -0
    Which one has no clotting property?
    Solution

    B. Lymph

    Reason: Lymph is an interstitial fluid. It contains leukocytes, lymphocytes and globulin proteins. It does not have thrombocytes and so it does not have an ability to clot. Plasma is a matrix of blood that contains thrombocytes and It shows clotting.

  • Question 10
    1 / -0
    RBC count is higher in
    Solution

    A. New born babies

    Reason: Infants have fetal hemoglobin, where has more affinity for oxygen than the hemoglobin found in adults. So, due to more affinity, oxygen binding will also be strong. The amount of oxygen released by RBC at the tissue level is deceased. So in order to compensate for the decreased oxygen availability the number of RBCs is increased.

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