A&P Day 8

Which chamber of the heart receives deoxygenated blood from the body?

• Left atrium

• Right atrium

• Left ventricle

• Right ventricle

What is the main function of red blood cells?

• Fight infections

• Carry oxygen

• Clot blood

• Produce hormones

Which valve is located between the left atrium and the left ventricle?

• Tricuspid valve

• Pulmonary valve

• Mitral (bicuspid) valve

• Aortic valve

Which component of blood is primarily responsible for clotting?

• Plasma

• Red blood cells

• Platelets

• White blood cells

Which side of the heart pumps oxygenated blood to the body?

• Right side

• Left side

• Both sides

• Neither side

What is the correct order of blood flow through the heart starting from the right atrium?

• Right atrium → Right ventricle → Pulmonary artery → Lungs → Left atrium → Left ventricle → Aorta

• Right atrium → Left ventricle → Pulmonary vein → Lungs → Right ventricle → Left atrium → Aorta

• Right atrium → Left atrium → Right ventricle → Left ventricle → Aorta → Lungs

• Right atrium → Right ventricle → Aorta → Lungs → Left atrium → Left ventricle → Pulmonary artery

Which phase of the cardiac cycle involves the contraction of the ventricles?

• Diastole

• Systole

• Resting phase

• Repolarization

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

• Pulmonary artery

• Pulmonary vein

• Aorta

• Superior vena cava

Which of the following best describes the function of heart valves?

• To pump blood

• To prevent backflow of blood

• To oxygenate blood

• To filter blood

Which component of blood helps defend the body against infection?

• Red blood cells

• Platelets

• White blood cells

• Plasma