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11th Standard English Medium Biology (Zoology) Subject Body Fluids and Circulation Book Back 1 Mark Questions with Solution Part - II

11th Standard

    Reg.No. :
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Biology

Time : 01:00:00 Hrs
Total Marks : 5

    1 Marks

    5 x 1 = 5
  1. Dub sound of heart is caused by _______.

    (a)

    Closure of atrio-ventricular valves

    (b)

    Opening of semi-lunar valves

    (c)

    Closure of semi -lunar values

    (d)

    Opening of atrio-ventricular valves

  2. An unconscious patient is rushed into the emergency room and needs a fast blood transfusion. Because there is no time to check her medical history or determine her blood type, which type of blood should you as her doctor, give her?

    (a)

    A-

    (b)

    AB

    (c)

    O+

    (d)

    O-

  3. At the venous end of the capillary bed, the osmotic pressure is _____.

    (a)

    Greater than the hydrostatic pressure

    (b)

    Result in net outflow of fluids

    (c)

    Results in net absorption of fluids

    (d)

    No change occurs

  4. A patient's chart reveals that he has a cardiac output of 7500mL per minute and a stroke volume of 50 mL. What is his pulse rate (in beats/min)?

    (a)

    50

    (b)

    100

    (c)

    150

    (d)

    400

  5. At any given time there is more blood in the venous system than that of the arterial system. Which of the following features of the veins allows this?

    (a)

    Relative lack of smooth muscles

    (b)

    Presence of valves

    (c)

    Proximity of the veins to lymphatic's

    (d)

    Thin endothelial lining

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