A condition of episodes of severe chest pain due to inadequate blood flow to the myocardium.

• A. Angina
• B. Anemia
• C. Anoxia
• D. Laryngospasm

Answer: (A)

Episodes of chest pain caused by not enough blood flow to the heart muscle are described as angina. This happens when the coronary arteries can’t deliver sufficient oxygen-rich blood during times of stress or physical activity, leading to myocardial ischemia. The resulting pain is often felt as pressure or squeezing in the chest and can radiate to the shoulder, arm, jaw, or back. It’s typically relieved by rest and often responds to nitroglycerin.

Understanding the other ideas helps clarify why this fits angina. Anemia, while it reduces the blood’s overall oxygen-carrying capacity, doesn’t characteristically produce episodic chest pain from transient heart ischemia. Anoxia means a complete lack of oxygen to tissues, a more extreme emergency than the usual angina episodes. Laryngospasm involves sudden closure of the vocal cords and airway obstruction, which presents with breathing difficulty rather than chest pain from the heart’s blood supply.