Heart Failure and Cardiac Dysfunction — NEET Biology
📚 Practice ConceptHeart Failure: Heart failure means the state of heart when it is not pumping blood effectively enough to meet the needs of the body. It is sometimes called congestive heart failure because congestion of the lungs is one of the main symptoms of this disease. Heart failure is not the same as cardiac arrest (when the heart stops beating) or a heart attack (when the heart muscle is suddenly damaged by an inadequate blood supply).
Which of the following statements regarding human circulatory disorders are correct? S1: Heart failure means the state of heart when it is not pumping blood effectively enough to meet the needs of the body. S2: Cardiac arrest and heart attack are synonymous terms, both implying a sudden cessation of heart beating. S3: Angina pectoris is characterized by acute chest pain that appears when insufficient oxygen is reaching the heart muscle. S4: Coronary Artery Disease (CAD), also known as atherosclerosis, is caused by narrowing of the arterial lumen due to deposits of calcium, fat, and fibrous tissues. S5: Hypertension is diagnosed when repeated checks of an individual's blood pressure show readings of 120/80 mm Hg or above.
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