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The opening between the right atrium and...

The opening between the right atrium and the right ventricle is guarded by which valve ?

A

bicuspid valve

B

tricuspid valve

C

mitral valve

D

semilunar valve

Text Solution

Verified by Experts

The correct Answer is:
B
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a. Amphibians and reptiles have a 3 chambered heart with ___atria and ___ventricle. b. heart is ___derived organ and protected by a double walled membranous bag called____ c. The opening between right Atrium and Right ventricle is guarded by a valve formed of ___muscular flaps, the ___valve. d. The wall of ventricle is ____than atria. e. SAN can generate the maximum number of action potential i.e., ____ mi n^(-1) . therefore it is called_____ f Atrial systole increases the flow of lood into the ventricles by about ____percent. g. In____ all the four chambers of the heart are in a relax state. h. the ____wave represents the depolarisation of the atria. i. A system of blood vessels is present in our body exlusively for the circulation of blood to and from the cardiac musculature called_____ j. PNA____ the rate of heart beat and______

Post caval in the right auricle is guarded by

Knowledge Check

  • Assertion : The opening between the right atrium and the right ventricle is guarded by a bicuspid or mitral valve. Reason : The valves in the heart allows the flow of blood only in one direction.

    A
    If both Assertion & Reason are True & the Reason is a correct explanation of the Assertion .
    B
    If both Assertion & Reason are True but Reason is not a correct explanation of the Assertion
    C
    If Assertion is True but the Reason is False.
    D
    If both Assertion & Reason are false.

  • Read the following statements about the internal structure of the human heart. I. Humans have a an auto - excitable , chambered , muscular and myogenic heat. II. The heart is mesodermal in origin and is present symmetrically between two lungs in the thoracic cavity. III. The opening between the right atrium and left ventricle is guarded by a tricuspid valve. IV. Only th sino - atrial node of the heart has hte ability to generate action potentials without any external stimuli. How many statement/s is/ are incorrect from the above ?

    A
    Two
    B
    Three
    C
    Four
    D
    One

  • The aperture between right auricle and right ventricle is guarded by one way valve called the

    A
    semilunar valve
    B
    tricuspid valve
    C
    bicuspid valve
    D
    valve of inferior vena cava

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    Which of the following statements (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 volume xx Heart rate = Cardiac output.

    Read the statements regarding the cardiac system and choose the right option. (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 volume x heart rate = cardiac output

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