Heart Anatomy and Dissection Quiz

What is the primary function of the mammalian heart?

• To digest food

• To pump blood through the circulatory system

• To filter waste from the blood

• To produce hormones

Which structure helps in identifying the ventral side of the heart?

• The position of the vena cava

• The thickness of the myocardium

• The presence of oracles

• The size of the ventricles

What is the role of the tricuspid valve in the heart?

• To oxygenate the blood

• To prevent backflow of blood into the right atrium

• To allow blood flow from the left atrium to the left ventricle

• To pump blood into the aorta

What are the chordae tendineae commonly known as?

• Nerve endings

• Muscle fibers

• Blood vessels

• Heart strings

Which side of the heart has a thicker muscle wall and why?

• Left side, because it pumps blood to the entire body

• Right side, because it pumps blood to the lungs

• Left side, because it receives oxygenated blood

• Right side, because it receives deoxygenated blood

What is the function of the semilunar valve?

• To allow blood flow from the right atrium to the right ventricle

• To prevent backflow of blood into the ventricles

• To pump blood into the pulmonary artery

• To oxygenate the blood

Which vessel carries deoxygenated blood from the body to the heart?

• Coronary artery

• Vena cava

• Pulmonary vein

• Aorta

What is the significance of the pulmonary artery in the circulatory system?

• It supplies blood to the heart muscle

• It carries deoxygenated blood to the lungs

• It connects the left atrium to the left ventricle

• It carries oxygenated blood to the body

Which vessel returns oxygenated blood from the lungs to the heart?

• Coronary artery

• Aorta

• Pulmonary vein

• Vena cava

What is a common day for heart attacks and why?

• Independence Day, due to physical exertion

• Christmas Day, due to emotional stress and over-indulgence

• New Year's Day, due to cold weather

• Valentine's Day, due to emotional stress