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"This is about the different blood vessels in the circulatory system."
15 Points Per Correct Answer - No time limit
What is the difference between an artery and a vein?
Arteries carry blood towards the heart, veins away from the heart.
Arteries carry deoxygenated blood, veins oxygenated blood.
Arteries carry oxygenated blood, veins deoxygenated blood.
Arteries carry blood away from the heart, veins towards the heart.
In which of these blood vessels is the average speed of blood flow the slowest?
How does the volume of blood per hour flowing up the blood vessels in your leg compare to the volume of blood per hour flowing down the blood vessels in your leg?
They are the same, obviously.
Sometimes more, sometimes less, it varies from one hour to the next.
More blood flows up your leg.
Less blood flows up your leg.
In which of these blood vessels does the blood pressure reach the highest measurement?
The main veins contain valves to stop blood flowing backwards. How do these valves work?
They are worked by muscles in the wall of the vein.
They are pushed open or closed by the blood pressure.
They are controlled by peristaltic waves.
They opened or closed by associated ligaments.
What is the name of the innermost layer of an artery wall?
What is coronary heart disease aka coronary artery disease?
where the arteries supplying blood to the heart become narrowed or blocked
where one or more of the heart valves becomes damaged
where blood is prevented from returning to the heart in the veins
where the muscle of the heart chambers degenerates
Where are the vasa vasorum?
in varicose veins
in the walls of the arteries
in the vas deferens
in the heart
In adults, what is the function of the vessel called the ductus arteriosus?
It carries blood into the walls of the arteries.
It provides blood to the pancreatic duct.
It supplies oxygen to the heart muscle.
It has no function.
What is arteriosclerosis?
deposition of fatty plaques inside the artery walls
coronary heart disease
high blood cholesterol
loss of elasticity of the artery walls
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Compiled Jun 28 12