6 The Cardiovascular System Online Quiz Questions

Which valve lies between the right atrium and right ventricle?

True or false: The septum is the wall that separates the right and left sides of the heart.

Which blood vessels are the main sites where gases, nutrients, and wastes pass between blood and tissues?

Which heart structure contracts to pump blood?

Select all three formed elements of blood.

True or false: Heart valves help prevent blood from flowing backward.

Blood travels from the heart to the lungs through a vessel carrying oxygen-poor blood. What type of vessel is it?

A ventricle beats at $75$ beats/min and ejects $70$ mL per beat. Using $\text{cardiac output} = \text{heart rate} \times \text{stroke volume}$, what is its cardiac output? Give the numerical value in mL/min.

Select all statements that correctly describe the coronary arteries.

Trace the path of blood from the right ventricle to the left atrium through the pulmonary circuit. Include the vessels it travels through and the gas exchange that occurs in the lungs.

A hormone enters the bloodstream and must be transported to tissues. Which blood component carries it?

Which blood component helps form a plug and supports clotting when a blood vessel is injured?

Blood reaches a tissue that needs oxygen and nutrients while wastes enter the blood. Which vessels are the main sites for this exchange?

Pulmonary arteries carry oxygen-poor blood away from the heart toward the lungs.

Which vessels supply the heart muscle with its own oxygen-rich blood?

What is the name of the protective sac surrounding the heart?

After blood passes through capillaries in body tissues, which vessel sequence carries it onward toward the heart?

A ventricle pumps 60 mL per beat at a heart rate of 75 beats/min. Using cardiac output = $\text{heart rate} \times \text{stroke volume}$, what is the cardiac output in mL/min?