Home
Class 12
BIOLOGY
Assertion: Atherosclerosis affects the v...

Assertion`:` Atherosclerosis affects the vessels that supply blood to the heart muscle.
Reason`:` It is caused by deposits of calcium, fat, chalesterol and fibrous tissue which makes the lumen of arteries narrower.

A

If both assertion and reason are true and reason is the correct explanation of assertion.

B

If both assertion and reason are true but reason is not the correct explanation of assertion

C

If assertion is true but reason is false.

D

If both assertion and reason are false

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • BODY FLUIDS AND CIRCULATION

    MOTION|Exercise Exercise -3 AIPMT & NEET Previous Year Questions|33 Videos

  • BIOTECHNOLOGY: AND ITS APPLICATIONS

    MOTION|Exercise CHECK YOUR CONCEPTS-5|1 Videos

  • BREATHING AND EXCHANGE OF GASES

    MOTION|Exercise Exercise 4|21 Videos

Similar Questions

Explore conceptually related problems

Read the following statements (A-D) A. Coronary Artery Disease is also called atherosclerosis that affects the vessels that supply blood to the heat muscle. B. The electrocardiogram (ECG) on graph paper. During a cardiac cycle , the right ventricle pumps out about 70ml of oxygenated blood which is called stroke volume. D. The second heart sound is associated with the closure of the semilunar valves. How many statements from the above is / are incorrect ?

Assertion:In coronary heart disease there is impairment of heart muscle Reason:Reduced blood supply

Read the following statements and find out the incorrect statements. a. All vertebrates and a few invertebrates have a closed circulatory system. b. Hyperension leads to heart disease and slso affects vital organs like brain and lungs. c. CAD affects the vessels that supply blood to the skeletan muscles. d. In angina, a symptom of chronic chest pain appears when no enough oxygen is reaching the heart muscle. e. Heary attack means the state of heart when it is not pumpin blood effectively enough to meet the needs of the body.

Assertion: Tetany is rapid spasm in muscle. Reason: Tetany is usually caused by an increases in the blood calcium level.

In which disease arteries lumen become narrower due to the deposition of calcium fat and cholestron?

MOTION-BODY FLUIDS AND CIRCULATION-EXERCISE -4 AIIMS | Assertion & Reason Questions
  1. Assertion : Systolic pressure is higher then diastolic pressure. Rea...

    Text Solution

    |

  2. Assertion : Generally old people have higher blood pressure. Reason ...

    Text Solution

    |

  3. Assertion : If the muscles of both auricles of the person permanently ...

    Text Solution

    |

  4. Assertion :- If all external nerve supplies to a human heart are cut t...

    Text Solution

    |

  5. Assertion :- Lymph is the filtered blood from capillaries, which is ri...

    Text Solution

    |

  6. Assertion : In joint diastole, all the four chamber of heart are in r...

    Text Solution

    |

  7. Assertion : The pause between the end of the second sound and the beg...

    Text Solution

    |

  8. Assertion : LUBB (First Sound) is of shorter duration and sharp sound...

    Text Solution

    |

  9. Assertion : Portal system consists of veins which start from capillari...

    Text Solution

    |

  10. Assertion: Atherosclerosis affects the vessels that supply blood to th...

    Text Solution

    |

  11. Assertion : In amphibians incomplete double circulation presents. Re...

    Text Solution

    |

  12. Assertion : In open circulatory system blood is pumped by heart passes...

    Text Solution

    |

  13. Assertion: In fishes single circulation occur Reason : Fishes have a...

    Text Solution

    |

  14. Assertion : Myocardial infarction oftern results from a sudden decreas...

    Text Solution

    |

  15. Assertion : The sino-atrial node (SAN) is called the pacemaker. Reas...

    Text Solution

    |

  16. Assertion : The opening between the right atrium and the right ventric...

    Text Solution

    |

  17. Assertion : Neural signals through the sympathetic nerves can increase...

    Text Solution

    |

  18. Assertion : Cardiac output is the volume of blood pumped out by each v...

    Text Solution

    |

  19. Assertion : First heart sound (LUBB) is produced at the beginning fo v...

    Text Solution

    |

  20. Assertion : Lymph is a colourless fluid containing specialised lymphoc...

    Text Solution

    |