Cardio Carnival Quiz

Which structure carries oxygenated blood from the lungs to the heart?

• Superior vena cava

• Right pulmonary artery

• Left pulmonary veins

• Pulmonary trunk

What is the function of the right atrium in the heart?

• Pumps blood to the lungs

• Receives deoxygenated blood from the body

• Pumps blood to the body

• Receives oxygenated blood from the lungs

Where is the pulmonary valve located?

• Between the left atrium and left ventricle

• Between the right ventricle and pulmonary trunk

• Between the right atrium and right ventricle

• Between the left ventricle and aorta

Which structure separates the left and right ventricles?

• Interventricular septum

• Aortic valve

• Papillary muscle

• Fossa ovalis

What is the function of the pulmonary trunk?

• Carry blood to the lungs

• Carry blood to the body

• Carry blood from the lungs to the heart

• Carry blood from the body to the heart

Which structure is responsible for the muscular ridges in the ventricles?

• Pectinate muscles

• Trabeculae carneae

• Papillary muscles

• Endocardium

What is the outermost layer of the heart wall called?

• Endocardium

• Myocardium

• Epicardium

• Pericardium

Through which valve does blood flow from the left atrium to the left ventricle?

• Pulmonary valve

• Right AV valve

• Aortic valve

• Left AV valve

What causes the aortic valve to open?

• Contraction of right ventricle

• Relaxation of left atrium

• Contraction of left ventricle

• Blood entering right atrium

What is the main function of the aorta in the circulatory system?

• Return blood to the heart

• Distribute oxygenated blood to every organ in the body

• Carry blood to the lungs

• Receive blood from the right ventricle