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Chapter 20 The Cardiovascular System: Blood Vessels
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Chapter 20 The Cardiovascular System: Blood Vessels
Complete Chapter Questions And Answers
Sample Questions
1.
Which of the following is the blood vessel that distributes blood to organs?
A) arteries B) capillaries C) venules D) arterioles E) veins
Ans: A Difficulty: easy
2.
This is a blood vessel that conveys blood from the tissues back to the heart.
A) artery B) arteriole C) aorta D) vein E) capillary
Ans: D Difficulty: easy
3.
Which artery wall is responsible for vasoconstriction?
A)
tunica interna
D)
tunica albuginea
B)
tunica media
E)
tunica fascia
C)
tunica externa
Ans: B Difficulty: medium
4.
This layer of the artery is composed mainly of elastic and collagen fibers.
A)
tunica interna
D)
tunica albuginea
B)
tunica media
E)
tunica fascia
C)
tunica externa
Ans: C Difficulty: medium
5.
When an artery or arteriole is damaged, its smooth muscle contracts producing
A)
a tear in the artery
B)
a branch off the artery called an arteriole
C)
a vascular spasm
D)
tetanus
E)
constriction of the outer four layers
Ans: C Difficulty: medium
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