Understanding the Human Heart

What is the primary function of the heart?

• Filtering waste

• Producing hormones

• Maintaining blood pressure

• Generating emotions

Why is the heart considered a pump?

• Because it absorbs nutrients

• Because it maintains a pressure gradient for blood flow

• Because it produces blood cells

• Because it filters blood

Where is the heart located in the chest?

• Centered, slightly left of the midsternal line

• Directly left of the chest

• Directly right of the chest

• In the lower abdomen

What does the pericardium do?

• Produces blood cells

• Filters blood

• Regulates heart rate

• Protects and anchors the heart

What does the septum do in the heart?

• Divides the heart laterally into two sides

• Supplies oxygen to the heart muscles

• Filters the blood

• Regulates blood pressure

What are the two superior chambers of the heart called?

• Atria

• Ventricles

• Valves

• Arteries

What color are veins typically depicted in anatomy diagrams?

• Green

• Blue

• Red

• Yellow

What is the role of the atria?

• To produce blood cells

• To filter blood

• To receive blood returning to the heart

• To pump blood out of the heart

What is the purpose of the pulmonary circulation loop?

• To distribute oxygen to the body

• To collect waste from the body

• To exchange carbon dioxide for oxygen in the lungs

• To regulate body temperature

Which valves close to produce the 'lub-DUB' sound?

• Tricuspid and aortic valves

• Pulmonary and mitral valves

• Mitral and tricuspid valves

• Aortic and pulmonary semilunar valves