circulation test pt 1 Flashcards
1
Q
- Which type of blood vessel has thick walls in order to withstand high pressure?
A
artery
2
Q
- Use the following characteristics to answer the question:
* one-way valves * thin elastic layer * near skeletal
muscle These characteristics describe which type of vessel?
A
vein
3
Q
Blood vessels that allow diffusion of gasses through their thin walls are the
A
capillaries.
4
Q
- The main function of capillaries is to
A
exchange nutrients and wastes with tissues.
5
Q
- Which of the following blood vessels has a thin elastic layer?
A
Posterior vena cava.
6
Q
- Capillary beds are equipped with sphincter muscles in order to
A
divert blood toward areas of increased metabolic activity
7
Q
- Which of the following best describes a vein?
A
Thin-walled, elastic, and equipped with valves
8
Q
- The function of an artery is to
A
transport blood away from the heart.
9
Q
A blood vessel that transports blood out of a capillary bed is a(n).
A
venule
9
Q
The most muscular chamber of the heart is the
A
left ventricle
9
Q
Based on its function, the heart is often referred to as a ―double pump‖. Which of the following would explain this?
A
The heart moves blood through two circulatory pathways.
