Home
Class 11
BIOLOGY
Choose the correct option. (i) Human h...

Choose the correct option.
(i) Human heart is ectodermal in origin.
(ii) Mitral valve guards the opening between right atrium and left ventricle.
(iii) SAN is located on the left upper corner of right atrium
(iv) Stroke volume `xx` heart rate = Cardiac output

A

(i) alone is correct

B

(i) and (ii) alone is correct

C

(ii) and (iii) alone are correct

D

(iv) alone is correct

Text Solution

Verified by Experts

The correct Answer is:
D
Human heart is mesodermal in origin.
Mitral valve guards the opening between left atrium and left ventricle.
SAN is located on the right upper corner of right atrium.
Stoke volume `xx` heart rate = Cardiac output
Promotional Banner

Topper's Solved these Questions

  • BODY FLUIDS AND CIRCULATION

    A2Z|Exercise SECTION C: PREVIOUS YEARS' EXAMINATION QUESTIONS (AIIMS QUESTIONS )|17 Videos

  • BODY FLUIDS AND CIRCULATION

    A2Z|Exercise SECTION C: PREVIOUS YEARS' EXAMINATION QUESTIONS (ASSERTION AND REASON TYPE QUESTIONS )|6 Videos

  • BODY FLUIDS AND CIRCULATION

    A2Z|Exercise Section B: Assertion-reasoning Questions|12 Videos

  • BIOMOLECULES

    A2Z|Exercise Section D: Chapter End Test|50 Videos

  • BREATHING AND EXCHANGE OF GASES

    A2Z|Exercise Section D: Chapter-end Test|50 Videos

Similar Questions

Explore conceptually related problems

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 Human heart is an ectodermal derivative Mitral valve guards the opening between the right atrium and left ventricle SAN is located on the left upper corner of the right atrium Stroke volume xx Heart rate = Cardiac output

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 ?

Read the following statements (i) The nodal musculature of the heart has the ability to generate action potentials without any external stimuli. (ii) The AV node is located in the right ventricle close to the AV septum (iii) The stroke volume is the amount of blood pumped out by each ventricle per minute. Which of these are correct ?

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.

Read the following statements and select the correct ones (i) Nodal tissue is specialised cardiac musculature in human heart which has the ability to generate action potential due to an external stimuli (ii) Position of SAN - right corner of right atrium (iii) Position of AVN - right corner of ventricle (iv) AV bundle continues from AVN (v) Purkinje fibres are modified cardiac muscle fibres that originate from the atrioventricular node and spread into the two ventricles.

Read the following statements ( A-C ) about the human heart : A. The SA node is a specialized mass of cardiac tissue present in the lower-left corner of the right atrium close to the AV septum. B. The body has the ability to alter the heart rate, cardiac output but not stroke volume. C. The end of the T- wave in ECG marks the end of the systole. How Many statements is /are correct from the above?

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.

A2Z-BODY FLUIDS AND CIRCULATION -SECTION C: PREVIOUS YEARS' EXAMINATION QUESTIONS (NEET/AIPMT Questions )
  1. Number of action potentials that can be generated by sino-atrial node ...

    Text Solution

    |

  2. If blood pressure reads 140 systole and 90 diastole, the condition is ...

    Text Solution

    |

  3. Choose the correct option. (i) Human heart is ectodermal in origin. ...

    Text Solution

    |

  4. Choose the correct statement.

    Text Solution

    |

  5. From which part of heart does the largest artery arise

    Text Solution

    |

  6. Volume of blood that enters aorta with each ventricular systole is

    Text Solution

    |

  7. Select the correct option.

    Text Solution

    |

  8. The other term for heart attack is

    Text Solution

    |

  9. Which is not correct about circulatory system of aves

    Text Solution

    |

  10. How do parasympathertic neural signals affect the working the heart

    Text Solution

    |

  11. Person with blood group AB is considered as universal recipient becaus...

    Text Solution

    |

  12. Mitral vave in mammalian heart guards the opening between

    Text Solution

    |

  13. A cainical condition in which the bond marrow stops producing WBC, is ...

    Text Solution

    |

  14. The RBC membrane of a person contains no antigen. His blood group will...

    Text Solution

    |

  15. Which of the following statements is true with respect to sounds produ...

    Text Solution

    |

  16. Person with blood group 'O' are universal donors because they have

    Text Solution

    |

  17. Blood pressure in the mammalina aorta is maximum during

    Text Solution

    |

  18. Which one of the following is correct?

    Text Solution

    |

  19. Erythropoiesis starts in

    Text Solution

    |

  20. Doctors use stethoscope to hear the sounds produced during each cardia...

    Text Solution

    |