Eating ___ twice a week helps to prevent the formation of blood clots in arteries.

Q.

If a blood clot is discovered in one of the coronary arteries of a person, which of the following procedures will be performed to remove the clot?

Q. A blockage of the flow of blood to the heart, caused by a blood clot in a coronary artery is referred to as

Q. Assertion(A): Aspirin is used to prevent heart attacks.
Reason(R): Aspirin prevents the clotting of blood.

Q. An anticoagulant used for preventing clotting in vitro is sodium oxalate. It prevents clot formation by

Q. Which of the following statements are incorrect?

(i) Vitamin A helps to prevent night blindness.
(ii) Vitamin C prevents rickets.
(iii) Vitamin K helps in clotting of blood.
(iv) Iron helps to prevent goitre.
(v) Potassium helps to regulate fluid balance in our body.