Question 1

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

Accepted Answer

A) True 
 B)False

Question 2

The correct proximal to distal sequence of the three vessels branching from the aortic arch is

Accepted Answer

A)  brachiocephalic, left subclavian, left common carotid. 
B)  brachiocephalic, left common carotid, left subclavian. 
C)  left common carotid, left subclavian, brachiocephalic. 
D)  left subclavian, left common carotid, brachiocephalic. 
A)  brachiocephalic, left subclavian, left common carotid. 
B)  brachiocephalic, left common carotid, left subclavian. 
C)  left common carotid, left subclavian, brachiocephalic. 
D)  left subclavian, left common carotid, brachiocephalic.

Question 3

By definition, veins are

Accepted Answer

A)  vessels that always carry nutrient-poor blood. 
B)  vessels that carry oxygen-poor blood. 
C)  the only vessels that lead from capillaries. 
D)  vessels that carry blood toward the heart. 
A)  vessels that always carry nutrient-poor blood. 
B)  vessels that carry oxygen-poor blood. 
C)  the only vessels that lead from capillaries. 
D)  vessels that carry blood toward the heart.

Question 4

A ʺcoming togetherʺ of alternate pathways of blood vessels.

Accepted Answer

A)  vascular anastomosis 
B)  thoroughfare channel 
C)  metarterioles 
D)  converging veins 
E)  vasa vasorum 
A)  vascular anastomosis 
B)  thoroughfare channel 
C)  metarterioles 
D)  converging veins 
E)  vasa vasorum

Question 5

Figure 20.2
Use the diagram above to answer the following questions.
-Identify the letter that indicates the common iliac artery.

Accepted Answer

A)  A 
B)  B 
C)  C 
D)  D 
E)  E 
A)  A 
B)  B 
C)  C 
D)  D 
E)  E

Question 6

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

Accepted Answer

A) True 
 B)False

Question 7

The presence of in the veins and the action of skeletal muscle pressing on the walls ensure that blood return to the heart is in one direction.

Accepted Answer

The answer of The presence of in the veins and...

Question 8

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

Accepted Answer

A portal system consists of two separate

Question 9

The major cause of atherosclerosis is due to the

Accepted Answer

A)  destruction of elastic fibers in artery walls. 
B)  destruction of valves in veins. 
C)  formation of atheromas. 
D)  lack of formation of anastomosis between vessels. 
A)  destruction of elastic fibers in artery walls. 
B)  destruction of valves in veins. 
C)  formation of atheromas. 
D)  lack of formation of anastomosis between vessels.

Question 10

Capillaries that allow a high degree of flow between the blood and tissue fluid usually have pores called in their membranes.

Accepted Answer

The answer of Capillaries that allow a high degree of...

Question 11

Blood flow to the posterior brain follows the following sequence: subclavian artery, vertebral artery, , posterior cerebral arteries.

Accepted Answer

The answer of Blood flow to the posterior brain follows...

Question 12

The internal carotid artery branches to form the

Accepted Answer

A)  middle meningeal and middle cerebral arteries. 
B)  posterior cerebral and posterior communicating arteries. 
C)  facial, maxillary, and superficial temporal arteries. 
D)  anterior cerebral, middle cerebral, and ophthalmic arteries. 
A)  middle meningeal and middle cerebral arteries. 
B)  posterior cerebral and posterior communicating arteries. 
C)  facial, maxillary, and superficial temporal arteries. 
D)  anterior cerebral, middle cerebral, and ophthalmic arteries.

Question 13

Layer of blood vessels innervated by sympathetic vasomotor fibers.

Accepted Answer

A)  vasa vasorum 
B)  tunica intima 
C)  tunica externa 
D)  tunica media 
E)  subendothelial layer 
A)  vasa vasorum 
B)  tunica intima 
C)  tunica externa 
D)  tunica media 
E)  subendothelial layer

Question 14

Figure 20.1
Use the diagram above to answer the following questions.
-Identify the letter that indicates the layer common to all blood vessels regardless of their size.

Accepted Answer

A)  A 
B)  B 
C)  C 
D)  D 
E)  E 
A)  A 
B)  B 
C)  C 
D)  D 
E)  E

Question 15

The largest molecules that pass through the walls of typical capillaries are thought to use which route?

Accepted Answer

A)  direct diffusion through the endothelium 
B)  intercellular clefts 
C)  pinocytotic vesicles 
D)  tight junctions 
A)  direct diffusion through the endothelium 
B)  intercellular clefts 
C)  pinocytotic vesicles 
D)  tight junctions

Question 16

Figure 20.2
Use the diagram above to answer the following questions.
-Identify the letter that indicates the common carotid arteries.

Accepted Answer

A)  A 
B)  B 
C)  C 
D)  D 
E)  E 
A)  A 
B)  B 
C)  C 
D)  D 
E)  E

Question 17

The diameter of a typical capillary is similar to that of

Accepted Answer

A)  a fat cell. 
B)  a venule. 
C)  an erythrocyte. 
D)  a sinusoid. 
A)  a fat cell. 
B)  a venule. 
C)  an erythrocyte. 
D)  a sinusoid.

Question 18

Veins with compromised valves are called veins.

Accepted Answer

The answer of Veins with compromised valves are called veins....

Question 19

Present in most capillaries, these structures are absent in those of the blood-brain barrier.

Accepted Answer

A)  basement membrane 
B)  endothelial cells 
C)  tight junctions 
D)  pericytes 
E)  intercellular clefts 
A)  basement membrane 
B)  endothelial cells 
C)  tight junctions 
D)  pericytes 
E)  intercellular clefts

Question 20

Which of the following statements about arteries is false?

Accepted Answer

A)  Arteries have a smaller lumen than veins of similar size. 
B)  Arterial walls are thicker than venous walls. 
C)  Arteries carry oxygenated blood to the heart. 
D)  Arteries have more elastin than veins. 
A)  Arteries have a smaller lumen than veins of similar size. 
B)  Arterial walls are thicker than venous walls. 
C)  Arteries carry oxygenated blood to the heart. 
D)  Arteries have more elastin than veins.

Exam 20: The Cardiovascular System: Blood

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

The correct proximal to distal sequence of the three vessels branching from the aortic arch is

By definition, veins are

A ʺcoming togetherʺ of alternate pathways of blood vessels.

Figure 20.2 Use the diagram above to answer the following questions. -Identify the letter that indicates the common iliac artery.

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

The presence of in the veins and the action of skeletal muscle pressing on the walls ensure that blood return to the heart is in one direction.

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

The major cause of atherosclerosis is due to the

Capillaries that allow a high degree of flow between the blood and tissue fluid usually have pores called in their membranes.

Blood flow to the posterior brain follows the following sequence: subclavian artery, vertebral artery, , posterior cerebral arteries.

The internal carotid artery branches to form the

Layer of blood vessels innervated by sympathetic vasomotor fibers.

Figure 20.1 Use the diagram above to answer the following questions. -Identify the letter that indicates the layer common to all blood vessels regardless of their size.

The largest molecules that pass through the walls of typical capillaries are thought to use which route?

Figure 20.2 Use the diagram above to answer the following questions. -Identify the letter that indicates the common carotid arteries.

The diameter of a typical capillary is similar to that of

Veins with compromised valves are called veins.

Present in most capillaries, these structures are absent in those of the blood-brain barrier.

Which of the following statements about arteries is false?

An Introduction to Anatomy

The Cell

The Tissue Level of Organization

The Integumentary System

The Skeletal System: Osseous Tissue and Skeletal Structure

The Skeletal System: Axial Division

The Skeletal System: Appendicular Division

The Skeletal System: Articulations

The Muscular System: Skeletal Muscle Tissue and Muscle Organization

The Muscular System: the Axial Musculature

The Muscular System: the Appendicular Musculature

Surface Anatomy

The Nervous System: Neural Tissue

The Nervous System: the Spinal Cord and Spinal Nerves

The Nervous System: the Brain and Cranial Nerves

The Nervous System: Pathways and Higher-Order Functions

The Nervous System: Autonomic Division

The Nervous System: General and Special Senses

The Endocrine System

The Cardiovascular System: the Heart

The Cardiovascular System: Vessels and Circulation

The Lymphatic System

The Respiratory System

The Digestive System

Filters