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Body Fluids and...

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  • Question 1
    4 / -1

    In humans, blood passes from the post caval to the diastolic right atrium of heart due to

  • Question 2
    4 / -1

    Which one of the following is a matching pair?

  • Question 3
    4 / -1

    During ventricular systole:

  • Question 4
    4 / -1

    If due to some injury, the chordae tendineae of the tricuspid valve of the human heart is partially non-functional, what will be the immediate effect?

  • Question 5
    4 / -1

    Which one of the following statements is correct regarding blood pressure?

  • Question 6
    4 / -1

    Consider the following statements each with one or two blanks.
    (i) Left auriculoventricular aperture is guarded by (1) valve while right auriculoventricular aperture is guarded by (2) valve.
    (ii) In man left auricle receives (3) blood by (4) pulmonary veins.
    (iii) (5) ions play a significant role in clotting.
    Which one of the following options, gives the correct fill-ups for the respective blank numbers from (1) to (5) in the statements?

  • Question 7
    4 / -1

    Which of the following statement(s) regarding the cardiac system is/are correct?
    (i) Human heart is an ectodermal derivative.
    (ii) Mitral valve guards the opening between the right atrium and left ventricle.
    (iii) SAN is located on the left upper corner of the right atrium.
    (iv) Stroke x Heart rate = Cardiac output.

  • Question 8
    4 / -1

    The problem of electrical discontinuity caused in the normal heart by the connective tissue separating the atria from the ventricles is solved by?

  • Question 9
    4 / -1

    'X' is the rhythmic contraction and relaxation in the aorta and its main arteries. What is X?

  • Question 10
    4 / -1

    The figure given below three stages in the cardiac cycle

  • Question 11
    4 / -1

    A red blood cell, entering the right side of the heart passes by or through the following structures.
    1. Atrioventricular valves
    2. Semilunar valves
    3. Right atrium
    4. Right ventricle
    5. SAN
    Which of the following options represents the correct sequence?

  • Question 12
    4 / -1

    Consider the following four statements (i) - (iv) and select the correct option.
    (i) SA node is natural pacemaker of heart.
    (ii) Human heart has inter-auricular foramen.
    (iii) Right atrioventricular valve is a semilunar valve.
    (iv) Normal systolic and diastolic pressure of humans is 120 and 60 mm Hg respectively.

  • Question 13
    4 / -1

    In the given figure the durations of the events of the cardiac cycle are given. Identify these events and select the correct option.

  • Question 14
    4 / -1

    Right atrium receives blood from

  • Question 15
    4 / -1

    What happens when the pacemaker becomes nonfunctional?

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