Question 1

Most of the venous blood of the cranium drains through the _____________ venous sinuses.

Accepted Answer

The answer of Most of the venous blood of the...

Question 2

Which sequence indicates the correct pathway for blood in the arterial flow of the upper appendage?

Accepted Answer

A)  Axillary artery - brachial artery - subclavian artery - ulnar artery
B)  Brachial artery - subclavian artery - axillary artery - radial artery
C)  Axillary artery - subclavian artery - radial artery - ulnar artery
D)  Subclavian artery - brachial artery - axillary artery - radial artery
E)  Subclavian artery - axillary artery - brachial artery - ulnar arteryF) B) and E)
G) A) and C)

Question 3

In general,arterioles have _______ layers of smooth muscle.

Accepted Answer

A)  fewer than six
B)  more than six
C)  exactly six
D)  noE) A) and C)
F) A) and B)

Question 4

The mechanism of diapedesis occurs primarily in the metarterioles.

Accepted Answer

A) True 
 B)False

Question 5

Which fetal circulatory structure shunts blood from the pulmonary trunk to the aorta?

Accepted Answer

A)  Foramen ovale
B)  Ductus venosus
C)  Ductus arteriosus
D)  Umbilical vein
E)  Umbilical arteryF) B) and C)
G) B) and E)

Question 6

Digital arteries extend from the
A: Superficial palmar arch
B: Deep palmar arch
C: Plantar arch

Accepted Answer

A)  a
B)  b,c
C)  c
D)  a,b
E)  a,b,cF) A) and B)
G) C) and E)

Question 7

During development,the left dorsal aorta and the common dorsal aorta form the descending aorta.

Accepted Answer

A) True 
 B)False

Question 8

The artery that will eventually subdivide to form the posterior cerebral arteries is the _____ artery.

Accepted Answer

A)  basilar
B)  external carotid
C)  maxillary
D)  superficial temporal
E)  internal carotidF) A) and B)
G) A) and C)

Question 9

The anterior communicating artery of the cerebral arterial circle connects the

Accepted Answer

A)  posterior cerebral arteries.
B)  anterior cerebral arteries.
C)  vertebral arteries.
D)  basilar artery and the internal carotid artery.
E)  posterior communicating artery and the middle cerebral artery.F) A) and D)
G) A) and C)

Question 10

Branches of the subclavian arteries carry blood on the way to the brain,neck and shoulder muscles,and mammary glands.

Accepted Answer

A) True 
 B)False

Question 11

A network of small arteries called the ___________ provides a blood supply to the tunica externa of very large vessels.

Accepted Answer

A)  vasa vasorum
B)  companion vessels
C)  distributing arteries
D)  fenestrated arteries
E)  thoroughfare channelsF) B) and C)
G) B) and E)

Question 12

Which of the artery types contain the internal and external elastic laminae?

Accepted Answer

A)  Elastic arteries
B)  Arterioles
C)  Muscular arteries
D)  Elastic and muscular arteries
E)  Elastic arteries and arteriolesF) All of the above
G) C) and D)

Question 13

The fetal shortcut from the right atrium to the left atrium is the

Accepted Answer

A)  ductus arteriosus.
B)  ductus venosus.
C)  umbilical vein.
D)  umbilical artery.
E)  foramen ovale.F) None of the above
G) A) and C)

Question 14

At the bifurcation of the aorta in the pelvic region,the _______ artery arises to supply the sacrum and coccyx.

Accepted Answer

A)  lumbar
B)  posterior intercostal
C)  subclavian
D)  median sacral
E)  femoralF) D) and E)
G) A) and B)

Question 15

Which are found in the capillary wall?
A: Endothelium
B: Subendothelial layer
C: Internal elastic lamina
D: Intercellular clefts
E: External elastic lamina
F: Basement membrane

Accepted Answer

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

Question 16

The azygos vein merges with the _____________ vena cava.

Accepted Answer

The answer of The azygos vein merges with the _____________...

Question 17

The veins that merge to form the inferior vena cava are the _____ veins.

Accepted Answer

A)  external iliac
B)  internal iliac
C)  popliteal
D)  posterior and anterior tibial
E)  common iliacF) C) and E)
G) B) and D)

Question 18

In arteries,the thickest layer of the wall is the

Accepted Answer

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

Question 19

In general,as an artery's diameter decreases,there is a(n)

Accepted Answer

A)  decrease in the amount of smooth muscle and an increase in the number of elastic fibers.
B)  increase in the amount of smooth muscle and a decrease in the number of elastic fibers.
C)  increase in both smooth muscle and elastic fibers.
D)  decrease in both smooth muscle and elastic fibers.
E)  no change in the amount of smooth muscle or elastic fibers.F) A) and E)
G) B) and E)

Question 20

Which vein receives blood from the pancreatic veins,short gastric veins,and the right gastroepiploic vein?

Accepted Answer

A)  Splenic vein
B)  Inferior mesenteric vein
C)  Posterior mesenteric vein
D)  Hepatic veins
E)  Hepatic portal veinF) All of the above
G) B) and E)

Exam 23: Vessels and Circulation

The artery that will eventually subdivide to form the posterior cerebral arteries is the _____ artery.

Correct AnswerverifiedShow Answer

A network of small arteries called the ___________ provides a blood supply to the tunica externa of very large vessels.

Correct AnswerverifiedShow Answer

The anterior communicating artery of the cerebral arterial circle connects the

Correct AnswerverifiedShow Answer

During development,the left dorsal aorta and the common dorsal aorta form the descending aorta.

Correct AnswerverifiedShow Answer

Digital arteries extend from the A: Superficial palmar arch B: Deep palmar arch C: Plantar arch

Correct AnswerverifiedShow Answer

Most of the venous blood of the cranium drains through the _____________ venous sinuses.

Correct AnswerverifiedShow Answer

The azygos vein merges with the _____________ vena cava.

Correct AnswerverifiedShow Answer

Which fetal circulatory structure shunts blood from the pulmonary trunk to the aorta?

Correct AnswerverifiedShow Answer

Which vein receives blood from the pancreatic veins,short gastric veins,and the right gastroepiploic vein?

Correct AnswerverifiedShow Answer

Which are found in the capillary wall? A: Endothelium B: Subendothelial layer C: Internal elastic lamina D: Intercellular clefts E: External elastic lamina F: Basement membrane

Correct AnswerverifiedShow Answer

Which of the artery types contain the internal and external elastic laminae?

Correct AnswerverifiedShow Answer

In general,arterioles have _______ layers of smooth muscle.

Correct AnswerverifiedShow Answer

The fetal shortcut from the right atrium to the left atrium is the

Correct AnswerverifiedShow Answer

Which sequence indicates the correct pathway for blood in the arterial flow of the upper appendage?

Correct AnswerverifiedShow Answer

In general,as an artery's diameter decreases,there is a(n)

Correct AnswerverifiedShow Answer

The veins that merge to form the inferior vena cava are the _____ veins.

Correct AnswerverifiedShow Answer

In arteries,the thickest layer of the wall is the

Correct AnswerverifiedShow Answer

At the bifurcation of the aorta in the pelvic region,the _______ artery arises to supply the sacrum and coccyx.

Correct AnswerverifiedShow Answer

The mechanism of diapedesis occurs primarily in the metarterioles.

Correct AnswerverifiedShow Answer

Branches of the subclavian arteries carry blood on the way to the brain,neck and shoulder muscles,and mammary glands.

Correct AnswerverifiedShow Answer

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