Heart – Everyday science Important MCQs taken from past papers

1. What is the primary function of the heart?
(A) Produces blood
(B) Pumps blood throughout the body
(C) Filters blood
(D) Stores oxygen

2. Where is the heart located in the body?
(A) Center of the chest
(B) Slightly right side of the chest
(C) Slightly left side of the chest
(D) Near the stomach

3. Which is the largest artery in the body?
(A) Pulmonary Artery
(B) Vena Cava
(C) Aorta
(D) Coronary Artery

4. What is the name of the largest vein in the body?
(A) Pulmonary Vein
(B) Aorta
(C) Vena Cava
(D) Radial Vein

5. What is the normal range of blood pressure?
(A) 110/70 mmHg
(B) 120/80 mmHg
(C) 130/90 mmHg
(D) 140/100 mmHg

6. Which instrument is used to measure blood pressure?
(A) Stethoscope
(B) Thermometer
(C) Sphygmomanometer
(D) Pulse Oximeter

7. What is the name of the heart muscle?
(A) Myocardium
(B) Endocardium
(C) Pericardium
(D) Epicardium

8. What controls the heart's rhythm?
(A) Aorta
(B) Pacemaker
(C) Vena Cava
(D) Myocardium

9. Who performed the first heart transplant?
(A) Dr. William Harvey
(B) Dr. Christiaan Barnard
(C) Dr. Robert Koch
(D) Dr. Joseph Lister

10. What is the leading cause of heart disease?
(A) Coronary Artery Disease (CAD)
(B) High Cholesterol
(C) Hypertension
(D) Diabetes

11. What is the effect of exercise on the heart?
(A) Weakens the heart muscle
(B) Reduces heart rate drastically
(C) Increases blood pressure
(D) Strengthens the heart muscle and improves circulation