The Cardiovascular System 7: The Vascular System 3
10 Questions |
By Dmclover73 | Last updated: Jan 9, 2013
| Total Attempts: 38
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
______ are thin-walled blood vessels that carry blood to the heart under relatively low pressure.
________ are small veins (microscopic in size) that collect blood from __________ and deliver it to larger veins.
In adults, all veins except for the _____________ carry deoxygenated blood. Venous walls are similar to arterial walls but their ________ have greater diameters.
Just like arteries, veins contain three distinct layers which are the _________, the ______ and the __________.
The tunica intima of the veins are composed of ___________.
The ___________ of the veins are poorly developed. They are composed of a thin layer of _________ and less __________ and their walls will _________ when empty.
The ________ is the outermost and most ________ layer of the veins. It contains much more _____ and _________.
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 _______.
Veins found in the ______ normally contain valves.
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 _________.
The cardiovascular system in our body is tasked with regulating blood flow and ensuring that every part of the body gets blood. The main components of this system are the heart, blood, and blood vessels. The quiz below is all...
Questions: 10 | Attempts: 4499 | Last updated: Dec 20, 2019
A nurse is assessing an electrocardiogram rhythm strip. The P waves and QRS complexes are regular. The PR interval is 0.16 second. and QRS complexes measure 0.06 second. The overall heart rate is 64 beats per minute. The nurse assesses the cardiac rhythm as: