Pig Heart Dissection

Which side of the heart has a thicker myocardium?

• Left side

• Right side

• Both sides have the same thickness

• None of the above

What is the purpose of the chordae tendineae in the heart?

• To close the aortic valve

• To supply oxygen to the heart muscle

• To prevent backflow of blood through the atrioventricular valves

• To regulate blood flow in the atria

Which vessel is responsible for carrying blood from the heart to the body?

• Pulmonary trunk

• Aorta

• Pulmonary artery

• Coronary artery

What is the name of the valve between the left atrium and left ventricle?

• Mitral (bicuspid) valve

• Tricuspid valve

• Pulmonary valve

• Aortic valve

Which layer of the heart is responsible for contracting and pumping blood?

• Epicardium

• Myocardium

• Endocardium

• Pericardium

What is the purpose of the interventricular septum?

• To separate the atria from the ventricles

• To separate the left and right ventricles

• To regulate blood flow in the heart

• To prevent blood clotting

Which valve is responsible for preventing backflow of blood from the aorta into the left ventricle?

• Pulmonary semilunar valve

• Aortic semilunar valve

• Bicuspid valve

• Tricuspid valve

What is the name of the sac that covers the outside of the heart?

• Neurocardium

• Pericardium

• Myocardium

• Endocardium

What is the name of the outer layer of the heart wall (beneath the pericardium)?

• Epicardium

• Pericardium

• Myocardium

• Endocardium

What is the name of the inner layer of the heart?

• Epicardium

• Pericardium

• Myocardium

• Endocardium