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BSC 2086C: Blood Vessels (Lecture Exam 1) Questions and Answers with Verified Solutions | Latest Update

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BSC 2086C: Blood Vessels (Lecture Exam 1) Questions and Answers with Verified Solutions | Latest Update

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BSC 2086C: Blood Vessels (Lecture Exam 1) Questions and
Answers with Verified Solutions | Latest Update


QUESTION
What are the three main types of blood vessels?

Answer:
Arteries, capillaries, and veins.

QUESTION
What is the primary function of arteries?

Answer:
To distribute blood away from the heart.

QUESTION
What is the role of capillaries in the circulatory system?

Answer:
To facilitate the exchange of gases, nutrients, wastes, and hormones at the tissues.

QUESTION
What do veins do in the circulatory system?

Answer:
They collect blood and return it toward the heart.

QUESTION
What are the three layers of blood vessel walls?

Answer:
Tunica intima, tunica media, and tunica externa.

QUESTION
What is the tunica intima composed of?

Answer:
Endothelium.

QUESTION
What is primarily found in the tunica media?

Answer:
Smooth muscle.

, QUESTION
What is the tunica externa mostly made of?

Answer:
Collagen.

QUESTION
What is the smallest type of blood vessel?

Answer:
Capillaries.

QUESTION
What are the three types of capillaries?

Answer:
Continuous, fenestrated, and sinusoidal.




QUESTION
What controls blood flow in capillary beds?

Answer:
Terminal arterioles and precapillary sphincters.

QUESTION
What adaptations do veins have to assist with low pressure?

Answer:
Venous valves, muscular pump, and respiratory pump.

QUESTION
What is total peripheral resistance (TPR)?

Answer:
The amount of friction in the blood vessels that affects blood flow.

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