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BIOS 255 Exam 2 ( Latest 2024 / 2025 ) Actual Questions and Answers 100% Correct
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BIOS 255 Exam 2 ( Latest 2024 / 2025 ) Actual Questions and Answers 100% Correct
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BIOS 255 Exam 2By ExamNavigator
, BIOS 255 Exam 2
1. outer layer of a blood vessel, contains epithelial cells, connective tissue,and elastic fiber
Answer
Answer: tunica externa
2. the middle and thickest layer of the blood vessel, contains elastic fibers andsmooth muscle
Answer: tunica media
3. tunica media
Answer: usually the largest layer of a blood vessel and controls the diameter
4. the innermost layer of a blood vessel, contains endothelial cells and connective tissue
Answer: tunica intima
5. largest arteries by diameter, contain more elastic fibers than smooth muscle
Answer: elastic/ conducting arteries
6. contain large amounts of smooth muscle
Answer: muscular/ distributing arteries
7. smallest arteries by diameter, attached to the capillary beds
Answer: resistancearteries/ arterioles
8. weak point in the wall of a blood vessel, bulging sac that pulsates with eachheartbeat
Answer: aneurysm
9. tight junctions, creating a continuous and uninterrupted lining, small gapsfor exchange of
gases via simple diffusion
Answer: continuous capillaries
10. contains pores fenestrations; allows for slightly larger molecules to filter;found in places
like the kidney
Answer: fenestrated capillaries
11. large openings allow the passage of larger molecules such as proteins andformed elements;
found in the liver
Answer: sinusoidal capillaries
12. contain valves, rely on venules, medium sized veins, and large veins to create pressure to
assist in returning blood to the heart, carry deoxygenatedblood
Answer: veins
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