Question 1

Precapillary sphincters will

Accepted Answer

A)  control blood flow into the true capillaries.
B)  cause blood to flow directly from the metarteriole into the postcapillary venule.
C)  open when the tissue needs nutrients.
D)  close when the tissue's needs have been met.
E)  All of these answers are correct.F) None of the above
G) C) and E)

Question 2

The left renal vein,right renal vein,right suprarenal vein,and right gonadal vein merge directly into the

Accepted Answer

A)  superior vena cava.
B)  great saphenous vein.
C)  inferior vena cava.
D)  common iliac vein.
E)  obturator vein.F) A) and D)
G) C) and D)

Question 3

Formed primarily of tunica intima and strengthened by elastic and collagen fibers,the _________________ in veins prevent blood from pooling.

Accepted Answer

The answer of Formed primarily of tunica intima and strengthened...

Question 4

Which situations are shared by both the blood supply of the lower extremity and the upper extremity?
A: Supplied by a main arterial vessel
B: Have arterial arches
C: Have venous arches
D: Have superficial network of veins
E: Have deep network of veins

Accepted Answer

A)  a,c,d
B)  a,b,c,d
C)  b,d
D)  b,c,e
E)  a,b,c,d,eF) C) and E)
G) A) and D)

Question 5

The ________ is composed of circularly arranged layers of smooth muscle cells.

Accepted Answer

A)  tunica media
B)  tunica externa
C)  tunica intima
D)  tunica interna
E)  None of the answers is correct.F) B) and D)
G) C) and D)

Question 6

The branches that arise from the celiac trunk are the

Accepted Answer

A)  left gastric and splenic arteries.
B)  left gastroepiploic and splenic arteries.
C)  left gastric and common hepatic arteries.
D)  left gastric,left gastroepiploic,and splenic arteries.
E)  left gastric,splenic,and common hepatic arteries.F) None of the above
G) B) and C)

Question 7

In the elastic arteries,which of the tunics have elastic fibers?

Accepted Answer

A)  Tunica externa
B)  Tunica intima
C)  Tunica media
D)  Tunica media and tunica externa
E)  Tunica media,tunica intima,and tunica externaF) A) and B)
G) C) and D)

Question 8

The pulmonary arteries have _____ elastic tissue and ______ lumens than systemic arteries.

Accepted Answer

A)  less;wider
B)  more;narrower
C)  more;wider
D)  less;narrower
E)  the same amount of;the same sizeF) A) and E)
G) C) and E)

Question 9

Among the advantages of the cerebral arterial circle is the presence of collateral channels of blood flow to the brain should a supply artery become blocked.

Accepted Answer

A) True 
 B)False

Question 10

The hepatic ______________ system is a venous network that drains the GI tract and delivers blood to the liver.

Accepted Answer

The answer of The hepatic ______________ system is a venous...

Exam 23: Vessels and Circulation

Formed primarily of tunica intima and strengthened by elastic and collagen fibers,the _________________ in veins prevent blood from pooling.

Correct Answer
verified

The hepatic ______________ system is a venous network that drains the GI tract and delivers blood to the liver.

Correct Answer
verified

Among the advantages of the cerebral arterial circle is the presence of collateral channels of blood flow to the brain should a supply artery become blocked.

Correct Answer
verified

The branches that arise from the celiac trunk are the

Correct Answer
verified

Precapillary sphincters will

Correct Answer
verified

The ________ is composed of circularly arranged layers of smooth muscle cells.

Correct Answer
verified

Which situations are shared by both the blood supply of the lower extremity and the upper extremity? A: Supplied by a main arterial vessel B: Have arterial arches C: Have venous arches D: Have superficial network of veins E: Have deep network of veins

Correct Answer
verified

In the elastic arteries,which of the tunics have elastic fibers?

Correct Answer
verified

The pulmonary arteries have _ elastic tissue and __ lumens than systemic arteries.

Correct Answer
verified

The left renal vein,right renal vein,right suprarenal vein,and right gonadal vein merge directly into the

Correct Answer
verified

Exam 23: Vessels and Circulation

Formed primarily of tunica intima and strengthened by elastic and collagen fibers,the _________________ in veins prevent blood from pooling.

Correct AnswerverifiedShow Answer

The hepatic ______________ system is a venous network that drains the GI tract and delivers blood to the liver.

Correct AnswerverifiedShow Answer

Among the advantages of the cerebral arterial circle is the presence of collateral channels of blood flow to the brain should a supply artery become blocked.

Correct AnswerverifiedShow Answer

The branches that arise from the celiac trunk are the

Correct AnswerverifiedShow Answer

Precapillary sphincters will

Correct AnswerverifiedShow Answer

The ________ is composed of circularly arranged layers of smooth muscle cells.

Correct AnswerverifiedShow Answer

Which situations are shared by both the blood supply of the lower extremity and the upper extremity? A: Supplied by a main arterial vessel B: Have arterial arches C: Have venous arches D: Have superficial network of veins E: Have deep network of veins

Correct AnswerverifiedShow Answer

In the elastic arteries,which of the tunics have elastic fibers?

Correct AnswerverifiedShow Answer

The pulmonary arteries have _____ elastic tissue and ______ lumens than systemic arteries.

Correct AnswerverifiedShow Answer

The left renal vein,right renal vein,right suprarenal vein,and right gonadal vein merge directly into the

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

The pulmonary arteries have _ elastic tissue and __ lumens than systemic arteries.

Correct Answer
verified

Correct Answer
verified