Home
Class 12
BIOLOGY
Go through the following statements, (...

Go through the following statements,
(i) The stroke volume multiplied by heart rate gives the cardiac output.
(ii) The second heart sound is associated with the closure of semilunar valves
(iii) Heart failure is the same as cardiac arrest or a heart attack.
Which of these are correct ?

A

(i) & (ii)

B

(ii) & (iii)

C

(i) & (iii)

D

All are correct

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • BIOTECHNOLOGY : PRINCIPLES AND PROCESSES

    TRUEMEN BIOLOGY ENGLISH|Exercise MULTIPLE CHOICE QUESTIONS|124 Videos

  • BREATHING AND EXCHANGE OF GASES

    TRUEMEN BIOLOGY ENGLISH|Exercise MULTIPLE CHOICE QUESTIONS|199 Videos

Similar Questions

Explore conceptually related problems

First heart sound is associated with the closure of _______ valves whereas second heart sound is associated with the closure of _____valves.

Which of the following statements about heart sound is correct?

Read the following statements (A – D ) (A) QRS complex in ECG indicates ventricular depolarization. (B) The electrocardiograph machine is used to obtain Electrocardiogram a (ECG ) on graph paper . (C) During a cardiac cycle , the left ventricular pumps out about 70 ml is of Oxygenated blood which is called the cardiac output . (D) The second heart sound is associated with the closure of the semilunar valves . How many statements from the above is /are incorrect ?

What is the stroke volume in a person if his resting cardiac output is 5.25 L/min and heart rate = 75/min?

Which of the following Statement is correct about heart failure ?

Read the following statements : A. The action potential generated by the SA node stimulates both ventricles to undergo simultaneous contraction. B. The heart sound Lubb is associated with the closure of both semilunar valves. C. The QRS complex in ECG represents the depolarization of the ventricles. Select the appropriate option from the following :

Read the following statement and choose the correct option. A. The first heart sound (lub) is associated with the closure of both semilunar valves. The duration between the adjacent second heart sound and first heart sound is 0.3 seconds C. The cardiac output is the stroke volume multiplied by the number of heartbeats per minute.

Which of the following statement is CORRECT ? I. Heart, the mesodermally derived organ, is situated in the thoracic cavity, in between the two lungs , slightly tilted to the left. II. During joint diastole , tricuspid and bicuspid valves are open and the semilunar values are closed. III. The first heart sound (lub) is associated with the closure of the tricuspid and biscuspid valves whereas the second heart sound (dub) is associated with the closure of the semilunar valves . IV. Neural signals through the sympathetic nerves can increases the rate of hearbeat, the strength of ventricular contraction and thereby the cardiac output.

Read the following statement (I - IV) I. The machine that is used to obtain ECG of a patient is called an electrocardiograph . II. The volume of blood pumped out by each ventricle per cardiac cycle is called the cardiac output . III. The second heart sound is associated with the opening of both semilunar values . IV. Hypertension is denoted by the ratio of systolic and diastolic pressure in mm of mercury pressure. How many statement (s) is/ are correct from the above ?

What would be the cardiac output of a person having 72 heart beats per minute and a stroke volume of 50 mL ?

TRUEMEN BIOLOGY ENGLISH-BODY FLUIDS AND CIRCULATION-Multiple Choice Questions
  1. Go through the following statements (i) Vagus nerve decreases the...

    Text Solution

    |

  2. SA node acts as a pacemaker of the heart because it

    Text Solution

    |

  3. Go through the following statements, (i) The stroke volume multiplie...

    Text Solution

    |

  4. Go through the following statements (i) As smaller animals have the...

    Text Solution

    |

  5. A baby is born with a congenital cardiac defect that allows right atri...

    Text Solution

    |

  6. Which of the following is false about ECG

    Text Solution

    |

  7. Find out the wrong statement :

    Text Solution

    |

  8. The sequence of flow of blood in the hepatic portal system of a mammal...

    Text Solution

    |

  9. Which one of the following is a matching pair ?

    Text Solution

    |

  10. If there is a blockage between the AV node and AV bundle, how will thi...

    Text Solution

    |

  11. All of the following are true except

    Text Solution

    |

  12. If all chordae tendinae are weakened or severed , the immidiate effect...

    Text Solution

    |

  13. Narrowing of which of the following heart valves would cause blood to ...

    Text Solution

    |

  14. Go through the following statements (i) The inner surface of atria ...

    Text Solution

    |

  15. Read the following statements (i) The cardioinhibitory centre of med...

    Text Solution

    |

  16. Go through the following statements . (i) Hypophysial portal vein ca...

    Text Solution

    |

  17. Read the following statements (i) The nodal musculature of the hear...

    Text Solution

    |

  18. ECG depicts the depolarisation and repolarisation process during the c...

    Text Solution

    |

  19. Which of the following statements is incorrect ?

    Text Solution

    |

  20. In which of the following pairs the two items mean one and the same th...

    Text Solution

    |