Quiz on Blood Vessels

What is the name of blood vessels that take blood away from the heart?

• veins

• tubes

• capillaries

• arteries

Which of the following vessels has a wall that is only one cell thick?

• capillaries

• arteries and capillaries

• veins

• arteries

As red blood cells flow through the capillaries between muscle cells they…

• pass out of the capillaries.

• pick up oxygen.

• will release carbon dioxide.

• release oxygen into the tissues.

The blood flows through the arteries…

• slowly at high pressure.

• quickly at low pressure.

• slowly at low pressure.

• quickly at high pressure.

Blood flows through the veins…

• slowly at high pressure.

• quickly at low pressure.

• slowly at low pressure.

• quickly at high pressure.

In the organs, blood flows through…

• large, thick-walled blood vessels.

• narrow, thick-walled blood vessels.

• large, thin-walled blood vessels.

• narrow, thin-walled blood vessels.

What is the primary function of red blood cells?

• To fight infections

• To carry oxygen

• To clot blood

• To transport nutrients

Which type of blood vessel has the thickest walls?

• arteries

• veins

• capillaries

• venules

Blood returning to the heart from the body has a higher percentage of carbon dioxide within it. Which of the following statements explains this phenomenon?

• The blood has produced more carbon dioxide as it flows around the body.

• The blood has picked up the carbon dioxide from cells that have been performing respiration.

• The body has turned the blood cells into carbon dioxide.

• The oxygen in the blood has turned into carbon dioxide.

What is the job of the valves that are found within both the heart and veins?

• To stop blood going in the wrong direction.

• To speed up the flow of blood.

• To check the contents of blood.

• To stop the blood flowing.