Question

What distinguishes a heart attack from heart failure.
A.
A heart attack results from poor blood flow, while heart failure involves a total interruption of blood flow.
B. Both heart attack and heart failure result in heart tissue death, but more tissue dies as a result of heart failure.
C. Heart tissue dies during a heart attack, while heart failure results in systemic oxygen deficiency.
D. Heart failure results in body tissues receiving such a high level of oxygen that it is toxic.

Answer 1

A

Heart failure means the state of heart when it is not pumping blood effectively enough to meet the need of body.

On the other hand

Heart attack is when the heart stops beating or when the heart muscles is suddenly damaged by an inadequate blood supply.

Answer 2

A heart attack results from poor blood flow, while heart failure involves a total interruption of blood flow.

Explanation:

Both heart attack and heart failure are the diseases of the heart which look similar to the layman but biologically they are different diseases of the heart.

• Heart attack refers to a condition in which the arteries of the heart gets blocked due to plaque and clots which reduces the flow of the blood to the heart, thus a heart suddenly feels the condition of attack.
• Heart failure refers to a condition in which the heart fails to pump the required amount of blood to the body parts as a result of which the person dies suddenly.

Thus, option-A is the correct answer.

To learn more:

1. Heart: https://brainly.in/question/3880636

2. Diseases of heart- https://brainly.in/question/4982403