The Cardiovascular System 7: The Vascular System 3
10 Questions
| Total Attempts: 32
Settings
I created these quizzes to help me study for my A&P exams. This quiz is part 3 of a 3 part quiz dealing with the vascular system. This quiz deals with veins.
Questions and Answers
- 1.______ are thin-walled blood vessels that carry blood to the heart under relatively low pressure.
- A.
Arteries
- B.
Venules
- C.
Arterioles
- D.
Veins
- E.
Capillaries
- 2.________ are small veins (microscopic in size) that collect blood from __________ and deliver it to larger veins.
- 3.In adults, all veins except for the _____________ carry deoxygenated blood. Venous walls are similar to arterial walls but their ________ have greater diameters.
- 4.Just like arteries, veins contain three distinct layers which are the _________, the ______ and the __________.
- 5.The tunica intima of the veins are composed of ___________.
- 6.The ___________ of the veins are poorly developed. They are composed of a thin layer of _________ and less __________ and their walls will _________ when empty.
- 7.The ________ is the outermost and most ________ layer of the veins. It contains much more _____ and _________.
- 8.Most veins that are larger than ___ millimeters in diameter have one-way ______ positioned in such a way that they can conduct blood against the force of _______.
- 9.Veins found in the ______ normally contain valves.
- 10.The valves of the veins are usually composed of 2 _______ formed by ________ of the __________. They are arranged to permit blood flow toward the heart and not backward in the opposite direction. In other words they prevent _________.
Back to top