Home
Class 12
BIOLOGY
Doctors use stethoscope to hear the soun...

Doctors use stethoscope to hear the sounds prodcued during each cardiac cycle. The second sound is heard when

A

AV node receives signal from SA node

B

AV valves open up

C

Ventricular walls vibrate due to gushing of blood from atria

D

Semilunar valves close down after the blood flows into vessels from ventricles

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • BODY FLUIDS AND CIRCULATIONS

    CENGAGE BIOLOGY ENGLISH|Exercise Exercise (Assertion - Reasoning Questions)|15 Videos
  • BIOTECHNOLOGY:PRINCIPLES AND PROCESSES

    CENGAGE BIOLOGY ENGLISH|Exercise ARCHIVES (Choose the correct option)|33 Videos
  • ECOSYSTEM

    CENGAGE BIOLOGY ENGLISH|Exercise ARCHIVES (CHOOSE THE CORRECT OPTION)|41 Videos

Similar Questions

Explore conceptually related problems

Doctors use stethoscope to hear the sounds produced during each cardiac cycle. The second sound is heard when

Doctors use stethoscope to hear the sounds produced during each cardiac cycle. The second sound is heard when

In cardiac cycle, "Dup" sound is heard when

Which among the following is correct during each cardiac cycle ?

Which among the following is correct during each cardiac cycle ?

Which among the following is correct during each cardiac cycle ?

Can you hear the sound produced due to vibrations of a seconds' pendulum ? Give reason.

why do we hear the sound produced by the humming bees while the sound of vibrations of pendulum is not heard ?

Read the following four statements (1-4) (1 ) The second heart sound is DUB, which is associated with the closure of bicuspid and tricuspid valves . (2) The duration between consecutive second and first heart sound is 0.5 second in a cardiac cycle . (3) The heartbeat of a human increase when the adrenaline hormone in injected into it. (4) The atrial systole in a cardiac cycle increase the flow of blood into the respective ventricle by about 70% . How many of the above statements are incorrect ?

A boy standing in front of a wall at a distance of 85 m produces 2 claps per second. He notices that the sound of his clapping coincides with the echo. The echo is heard only once when clapping is stopped. Calculate the speed of sound.

CENGAGE BIOLOGY ENGLISH-BODY FLUIDS AND CIRCULATIONS -ARCHIVES (Choose the correct option)
  1. Which one of the following statements is correct regarding blood pres...

    Text Solution

    |

  2. A person with unknown blood group under ABO system, has suffered much ...

    Text Solution

    |

  3. If due to some injury the chordae tendineae of the tricuspid valve of ...

    Text Solution

    |

  4. Which two of the following changes (i-iv) usually tend to occur in the...

    Text Solution

    |

  5. Bundle of His' is a part of which one of the following organs in human...

    Text Solution

    |

  6. Arteries are best defined as the vessels which

    Text Solution

    |

  7. A certain road accident patient with unknown blood group needs immedia...

    Text Solution

    |

  8. Person with blood group AB is considerred as universal recipient becau...

    Text Solution

    |

  9. How do parasympathetic neural signals affect the working of the hear...

    Text Solution

    |

  10. The diagram given here is the standard ECG of a normal person.The P-wa...

    Text Solution

    |

  11. Figure shows schematic plan of blood cir- culation in humans with labe...

    Text Solution

    |

  12. Which one of the following is correct ?

    Text Solution

    |

  13. Erythropoiesis starts in

    Text Solution

    |

  14. Blood pressure in the mammlian aorta is maximum during

    Text Solution

    |

  15. Which one of the following animals has two separate circulatory pathwa...

    Text Solution

    |

  16. Doctors use stethoscope to hear the sounds prodcued during each cardia...

    Text Solution

    |

  17. Reduction in pH of blood will

    Text Solution

    |

  18. Blood pressure in the pulmonary artery is

    Text Solution

    |

  19. Name the blood cells, whose reduction in number can cause clotting ...

    Text Solution

    |

  20. Serum differs from blood in

    Text Solution

    |