Question 1

Muscular arteries regulate blood flow to organs and groups of organs.

Accepted Answer

A) True 
 B)False

Question 2

Describe how blood flow is regulated (a) to whole organs, (b) within tissues, and (c) to capillary beds.

Accepted Answer

Blood flow to groups of organs or to ind...

Question 3

In the pulmonary circuit

Accepted Answer

A)   the right and left pulmonary arteries carry blood directly from the right ventricle.
B)   the pulmonary veins carry deoxygenated blood.
C)   the pulmonary veins drain into the right ventricle.
D)   the pulmonary arteries carry deoxygenated blood.E) A) and D)
F) None of the above

Question 4

In metabolically active tissues, blood is present in metarterioles, and precapillary sphincters are constricted.

Accepted Answer

A) True 
 B)False

Question 5

The ________ delivers arterial blood to the rotator cuff muscles and thyroid gland.

Accepted Answer

A)   axillary artery
B)   costocervical trunk
C)   thyrocervical trunk
D)   vertebral arteryE) C) and D)
F) All of the above

Question 6

The vasa vasorum

Accepted Answer

A)   supply the outer half of the walls of larger arteries and veins with oxygen and nutrients.
B)   are located in the tunica media.
C)   disrupt the collagen and weaken the walls of large vessels.
D)   are only found in small blood vessels.E) A) and D)
F) B) and D)

Question 7

Which of the following statements about arterioles is false?

Accepted Answer

A)   They regulate the flow of blood to capillary beds through contraction and relaxation of the tunica media.
B)   They redirect blood flow to skeletal muscle in a sympathetic response.
C)   They can lead into metarterioles.
D)   They have the largest content of smooth muscle in their tunica media.E) C) and D)
F) A) and B)

Question 8

Use the diagram above to answer the following questions.
-Identify the letter that indicates the ulnar artery.

Accepted Answer

A)   A
B)   B
C)   C
D)   D
E)   EF) C) and E)
G) A) and E)

Question 9

All arteries carry oxygen-rich blood, whereas veins carry oxygen-poor blood.

Accepted Answer

A) True 
 B)False

Question 10

A "coming together" of alternate pathways of blood vessels.

Accepted Answer

A)   thoroughfare channel
B)   vasa vasorum
C)   metarterioles
D)   vascular anastomosis
E)   converging veinsF) B) and D)
G) B) and C)

Question 11

Precapillary sphincters allow blood to leave this structure and enter true capillaries.

Accepted Answer

A)   sinusoids
B)   fenestrated capillaries
C)   continuous capillaries
D)   metarterioles
E)   none of the aboveF) C) and D)
G) D) and E)

Question 12

In a capillary bed, relaxation of the precapillary sphincters causes more blood to flow

Accepted Answer

A)   into the thoroughfare channels.
B)   into the arterioles.
C)   through the true capillaries.
D)   through the metarterioles.E) A) and B)
F) A) and C)

Question 13

The internal carotid artery branches to form the

Accepted Answer

A)   anterior cerebral, middle cerebral, and ophthalmic arteries.
B)   facial, maxillary, and superficial temporal arteries.
C)   middle meningeal and middle cerebral arteries.
D)   posterior cerebral and posterior communicating arteries.E) None of the above
F) B) and C)

Question 14

Identify the superficial veins of the forearm and arm, and describe their anatomical location.

Accepted Answer

The superficial veins include the cephal...

Question 15

Use the diagram above to answer the following questions.
-Identify the letter that indicates the cephalic vein.

Accepted Answer

A)   A
B)   B
C)   C
D)   D
E)   EF) B) and E)
G) All of the above

Question 16

The cerebral arterial circle forms a loop around which structures?

Accepted Answer

A)   the great vessels at the base of the heart
B)   the internal and external carotid arteries
C)   the cerebellum
D)   the pituitary gland and the optic chiasmaE) None of the above
F) B) and D)

Question 17

The pulmonary circuit

Accepted Answer

A)   supplies oxygenated blood to the brain.
B)   supplies deoxygenated blood to the abdominal organs
C)   supplies oxygenated blood to the lung tissue.
D)   supplies deoxygenated blood to the lungs so it can become oxygenated.E) C) and D)
F) A) and B)

Question 18

Define the term portal system, and describe the significance of portal-systemic anastomoses.

Accepted Answer

A portal system consists of two separate...

Question 19

The largest blood vessels near the heart have their own blood supply network called the ________.

Accepted Answer

The answer of The largest blood vessels near the heart...

Question 20

The ________ vein descends through the transverse foramina of the first six cervical vertebrae.

Accepted Answer

The answer of The ________ vein descends through the transverse...

Exam 20: Blood Vessels

Use the diagram above to answer the following questions. -Identify the letter that indicates the cephalic vein.

Correct AnswerverifiedShow Answer

In the pulmonary circuit

Correct AnswerverifiedShow Answer

Use the diagram above to answer the following questions. -Identify the letter that indicates the ulnar artery.

Correct AnswerverifiedShow Answer

The vasa vasorum

Correct AnswerverifiedShow Answer

The cerebral arterial circle forms a loop around which structures?

Correct AnswerverifiedShow Answer

A "coming together" of alternate pathways of blood vessels.

Correct AnswerverifiedShow Answer

Describe how blood flow is regulated (a) to whole organs, (b) within tissues, and (c) to capillary beds.

Correct AnswerverifiedBlood flow to groups of organs or to ind...View AnswerShow Answer

The ________ delivers arterial blood to the rotator cuff muscles and thyroid gland.

Correct AnswerverifiedShow Answer

All arteries carry oxygen-rich blood, whereas veins carry oxygen-poor blood.

Correct AnswerverifiedShow Answer

In a capillary bed, relaxation of the precapillary sphincters causes more blood to flow

Correct AnswerverifiedShow Answer

The largest blood vessels near the heart have their own blood supply network called the ________.

Correct AnswerverifiedShow Answer

Muscular arteries regulate blood flow to organs and groups of organs.

Correct AnswerverifiedShow Answer

Which of the following statements about arterioles is false?

Correct AnswerverifiedShow Answer

The internal carotid artery branches to form the

Correct AnswerverifiedShow Answer

The ________ vein descends through the transverse foramina of the first six cervical vertebrae.

Correct AnswerverifiedShow Answer

Identify the superficial veins of the forearm and arm, and describe their anatomical location.

Correct AnswerverifiedThe superficial veins include the cephal...View AnswerShow Answer

Precapillary sphincters allow blood to leave this structure and enter true capillaries.

Correct AnswerverifiedShow Answer

Define the term portal system, and describe the significance of portal-systemic anastomoses.

Correct AnswerverifiedA portal system consists of two separate...View AnswerShow Answer

The pulmonary circuit

Correct AnswerverifiedShow Answer

In metabolically active tissues, blood is present in metarterioles, and precapillary sphincters are constricted.

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
Blood flow to groups of organs or to ind...
View 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

Correct Answer
verified
The superficial veins include the cephal...
View Answer

Correct Answer
verified

Correct Answer
verified
A portal system consists of two separate...
View Answer

Correct Answer
verified

Correct Answer
verified