Heart Chapter 15 Quiz 2

How many liters of blood does the heart pump through the body each day?

• 5,000 liters

• 7,000 liters

• 10,000 liters

• 12,000 liters

In an average lifetime, how many times does the heart contract?

• 1.5 billion times

• 2.5 billion times

• 3.5 billion times

• 4.5 billion times

Tags

NGSS.HS-LS1-3

What is the correct order of blood flow through the blood vessels?

• Arteries → Capillaries → Arterioles → Venules → Veins

• Arterioles → Arteries → Capillaries → Veins → Venules

• Arteries → Arterioles → Capillaries → Venules → Veins

• Veins → Venules → Capillaries → Arterioles → Arteries

In the systemic circuit, what happens to the blood after it delivers nutrients to the cells?

• It becomes oxygen-rich

• It returns to the lungs

• It becomes oxygen-poor

• It remains unchanged

The diagram shows an electrocardiogram (ECG) representing heart activity. What does the ECG primarily measure?

• Electrical activity of the heart

• Blood pressure in the arteries

• Oxygen level in the blood

• Heart muscle thickness

Which circuit carries blood to the lungs?

• Systemic circuit

• Pulmonary circuit

• Coronary circuit

• Lymphatic circuit

How many chambers does the heart have?

• 2

• 3

• 4

• 5

Which chambers of the heart are responsible for pumping action?

• Atria

• Ventricles

• Both atria and ventricles

• None

Where is the heart located in relation to the sternum?

• Anterior

• Posterior

• Lateral

• Superior

The apex of the heart lies at which intercostal space?

• 3rd

• 4th

• 5th

• 6th