Question 1

The contraction of skeletal muscles plays an important role in the movement of blood in the veins.

Accepted Answer

A) True 
 B)False

Question 2

The __________ vein of fetal circulation forms the hepatic portal system and the liver sinusoids,as well as a portion of the inferior vena cava.

Accepted Answer

A)  right vitelline
B)  left vitelline
C)  anterior cardinal
D)  subcardinalE) A) and B)
F) A) and C)

Question 3

During development,the _____________ system forms most of the veins of the head,neck,and body wall.

Accepted Answer

The answer of During development,the _____________ system forms most of...

Question 4

The most common type of capillaries are

Accepted Answer

A)  fenestrated.
B)  sinusoids.
C)  continuous.
D)  venules.
E)  discontinuous.F) B) and E)
G) A) and C)

Question 5

The force per unit area that blood places on the inside wall of a blood vessel

Accepted Answer

A)  is called the pulse.
B)  is called the blood pressure.
C)  increases the farther the vessel is from the heart.
D)  is greater during diastole.
E)  is greater in the inferior vena cava than in the common iliac vein.F) D) and E)
G) None of the above

Question 6

After birth,the umbilical vein becomes the

Accepted Answer

A)  fossa ovalis.
B)  ligamentum arteriosum.
C)  ligamentum teres.
D)  ligamentum venosum.
E)  medial umbilical ligaments.F) C) and E)
G) B) and D)

Question 7

The largest arteries of the body are classified as

Accepted Answer

A)  muscular arteries.
B)  arterioles.
C)  elastic arteries.
D)  muscular and elastic since they have the same dimensions
E)  None of these answers is correct.F) C) and E)
G) C) and D)

Question 8

The artery pair that supplies the lower limbs are the

Accepted Answer

A)  common carotid arteries.
B)  internal iliac arteries.
C)  subclavian arteries.
D)  external iliac arteries.
E)  vertebral arteries.F) B) and E)
G) All of the above

Question 9

Which are considered end arteries?

Accepted Answer

A)  Epigastric arteries
B)  Renal arteries
C)  Splenic arteries
D)  Epigastric and renal arteries
E)  Renal and splenic arteriesF) A) and D)
G) C) and E)

Question 10

Systolic pressure is greater than diastolic pressure due to the force generated by ventricular contraction.

Accepted Answer

A) True 
 B)False

Question 11

By the second month of development,within the umbilical cord there are _____ umbilical vein(s) and _____ umbilical artery(ies) .

Accepted Answer

A)  one;one
B)  two;two
C)  one;two
D)  two;one
E)  two;threeF) B) and D)
G) A) and D)

Question 12

Of the three artery types,the elastic arteries have the better ability to vasoconstrict and vasodilate.

Accepted Answer

A) True 
 B)False

Question 13

Because of their role in material exchanges,the _______________ are considered to be the functional units of the cardiovascular system.

Accepted Answer

The answer of Because of their role in material exchanges,the...

Question 14

A venule becomes a vein when its diameter is greater than ____ micrometers.

Accepted Answer

A)  1
B)  10
C)  100
D)  1000
E)  None of these answers is correct.F) C) and E)
G) B) and D)

Question 15

The arteries that anastomose and form the two arterial arches in the palm are the _____ and _____ arteries.

Accepted Answer

A)  axillary;subclavian
B)  radial;ulnar
C)  radial;brachial
D)  ulnar;brachial
E)  axillary;brachialF) B) and E)
G) B) and D)

Question 16

The left suprarenal and gonadal veins differ from the right suprarenal and gonadal veins in how directly they get to the inferior vena cava.

Accepted Answer

A) True 
 B)False

Question 17

The foramen ovale closes at birth due to

Accepted Answer

A)  higher pressure in the left atrium,which causes interatrial septum flaps to close.
B)  rapid myocardial tissue growth stimulated by pregnancy hormones.
C)  a rise in fetal oxygen levels,which triggers growth of the epithelial lining.
D)  an increase in endothelial mucous production,which forms a plug.
E)  migration of connective tissue from the right atrioventricular valve.F) D) and E)
G) B) and D)

Question 18

Which is the correct order of artery types for the passage of blood from the heart to the capillaries?
A: Elastic arteries
B: Arterioles
C: Muscular arteries

Accepted Answer

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

Question 19

The popliteal artery supplies the

Accepted Answer

A)  hip joint.
B)  ankle joint.
C)  knee joint.
D)  elbow joint.
E)  palmar region.F) A) and E)
G) A) and D)

Question 20

The cerebral arterial circle is an anastomosis of arteries around the

Accepted Answer

A)  pons.
B)  medulla oblongata.
C)  sella turcica.
D)  frontal lobes.
E)  dural venous sinuses.F) C) and E)
G) D) and E)

Exam 23: Vessels and Circulation

Of the three artery types,the elastic arteries have the better ability to vasoconstrict and vasodilate.

Correct AnswerverifiedShow Answer

By the second month of development,within the umbilical cord there are _____ umbilical vein(s) and _____ umbilical artery(ies) .

Correct AnswerverifiedShow Answer

During development,the _____________ system forms most of the veins of the head,neck,and body wall.

Correct AnswerverifiedShow Answer

Which are considered end arteries?

Correct AnswerverifiedShow Answer

A venule becomes a vein when its diameter is greater than ____ micrometers.

Correct AnswerverifiedShow Answer

The most common type of capillaries are

Correct AnswerverifiedShow Answer

The contraction of skeletal muscles plays an important role in the movement of blood in the veins.

Correct AnswerverifiedShow Answer

Systolic pressure is greater than diastolic pressure due to the force generated by ventricular contraction.

Correct AnswerverifiedShow Answer

The __________ vein of fetal circulation forms the hepatic portal system and the liver sinusoids,as well as a portion of the inferior vena cava.

Correct AnswerverifiedShow Answer

The popliteal artery supplies the

Correct AnswerverifiedShow Answer

Which is the correct order of artery types for the passage of blood from the heart to the capillaries? A: Elastic arteries B: Arterioles C: Muscular arteries

Correct AnswerverifiedShow Answer

The foramen ovale closes at birth due to

Correct AnswerverifiedShow Answer

The artery pair that supplies the lower limbs are the

Correct AnswerverifiedShow Answer

Because of their role in material exchanges,the _______________ are considered to be the functional units of the cardiovascular system.

Correct AnswerverifiedShow Answer

The cerebral arterial circle is an anastomosis of arteries around the

Correct AnswerverifiedShow Answer

The force per unit area that blood places on the inside wall of a blood vessel

Correct AnswerverifiedShow Answer

After birth,the umbilical vein becomes the

Correct AnswerverifiedShow Answer

The arteries that anastomose and form the two arterial arches in the palm are the _____ and _____ arteries.

Correct AnswerverifiedShow Answer

The largest arteries of the body are classified as

Correct AnswerverifiedShow Answer

The left suprarenal and gonadal veins differ from the right suprarenal and gonadal veins in how directly they get to the inferior vena cava.

Correct AnswerverifiedShow Answer

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By the second month of development,within the umbilical cord there are _ umbilical vein(s) and _ umbilical artery(ies) .

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The arteries that anastomose and form the two arterial arches in the palm are the _ and _ arteries.

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