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level: Level 1

Questions and Answers List

level questions: Level 1

Question	Answer
These blood vessels take blood away from the heart?	Arteries
These blood vessels drain towards the heart?	veins
It is these blood vessels that allow for gas, nutrient & waste exchange?	Capillaries
Capillaries fuse to form which blood vessels?	Venules
Veins are formed by the fusion of these vessels?	Venules
Arteries branch into these blood vessels?	Arterioles
Capillaries are formed by branching of these vessels?j	Arterioles
Arteries contain oxygenated blood while veins carry deoxygenated blood?	false
These blood vessels contain valves?	Venules
These blood vessels are only one cell thick?	Capillaries
These vessels can directly connect an arteriole to a venule?	Metarterioles
These vessels have small holes in the lining endothelial cells	Fenestrated capillaries
These vessels have holes between the lining endothelial cells	Sinusoidal capillaries
These blood vessels are involved in “vascular shunts”	Metarterioles
These blood vessels carry blood between two capillary beds?	Portal veins
Which is the only portal vein found in humans?	hepatic portal
Where might you find sinusoidal capillaries?	liver,spleen,bone marrow
Where might you find fenestrated capillaries	endocrine glands,kidneys, and intestines
Which best describes a capillary?	simple squamous
Veins have thicker walls then arteries	false
The layer that lines the lumen of blood vessels?	tunica intima
The middle layer blood vessel walls?	tunica media
The outermost layer blood vessel walls?	Tunica External
This tunic is composed of endothelial cells?	tunica intima
Blood capillaries only have this tunic?	tunica intima
Major component of the tunica externa?	elastic connective tissue
Major component of the tunica media?	smooth muscle
Major component of the tunica intima	simple squamous epithelium