Question 1

The condition known as ________ is characterized by the formation of fatty plaques within the wall of arteries.

Accepted Answer

A) arthritis 
B) arteriosclerosis 
C) stenosis 
D) atherosclerosis 
E) multiple sclerosis 
A) arthritis 
B) arteriosclerosis 
C) stenosis 
D) atherosclerosis 
E) multiple sclerosis

Question 2

Turbulent blood flow occurs

Accepted Answer

A) when there are irregularities in the vessel wall. 
B) at low flow rates. 
C) within long and straight blood vessels. 
D) when blood pressure is excessively low. 
E) All of the answers are correct. 
A) when there are irregularities in the vessel wall. 
B) at low flow rates. 
C) within long and straight blood vessels. 
D) when blood pressure is excessively low. 
E) All of the answers are correct.

Question 3

Venules feed blood into

Accepted Answer

A) capillaries. 
B) vena cavae. 
C) veins. 
D) venous reserves. 
E) arterioles. 
A) capillaries. 
B) vena cavae. 
C) veins. 
D) venous reserves. 
E) arterioles.

Question 4

Blood flow to a tissue will increase if the

Accepted Answer

A) level of oxygen at the tissue increases. 
B) level of carbon dioxide at the tissue decreases. 
C) veins constrict. 
D) arterioles dilate. 
E) arterioles constrict. 
A) level of oxygen at the tissue increases. 
B) level of carbon dioxide at the tissue decreases. 
C) veins constrict. 
D) arterioles dilate. 
E) arterioles constrict.

Question 5

The blood vessel that supplies blood to the brain from the anterior direction is the ________ artery.

Accepted Answer

A) basilar 
B) middle cerebral 
C) vertebral 
D) internal carotid 
E) All of the answers are correct. 
A) basilar 
B) middle cerebral 
C) vertebral 
D) internal carotid 
E) All of the answers are correct.

Question 6

Which of the following veins empty directly into the inferior vena cava?

Accepted Answer

A) left gonadal 
B) hepatic portal 
C) azygos 
D) left adrenal 
E) Renal 
A) left gonadal 
B) hepatic portal 
C) azygos 
D) left adrenal 
E) Renal

Question 7

Stimulation of the aortic baroreceptors reflexively results in

Accepted Answer

A) stimulation of the cardioaccelerator center in the brain. 
B) increased sympathetic stimulation of the heart. 
C) increased activity by the parasympathetic nervous system. 
D) stimulation of the vasoconstrictive center. 
E) increased heart rate. 
A) stimulation of the cardioaccelerator center in the brain. 
B) increased sympathetic stimulation of the heart. 
C) increased activity by the parasympathetic nervous system. 
D) stimulation of the vasoconstrictive center. 
E) increased heart rate.

Question 8

Which of the following are the smallest venous vessels?

Accepted Answer

A) large veins 
B) venules 
C) medium veins 
D) arteriovenules 
E) venous valves 
A) large veins 
B) venules 
C) medium veins 
D) arteriovenules 
E) venous valves

Question 9

A vein that measures 5 mm would be considered a(n)

Accepted Answer

A) large vein. 
B) venule. 
C) medium vein. 
D) arteriovenule. 
E) venous valve. 
A) large vein. 
B) venule. 
C) medium vein. 
D) arteriovenule. 
E) venous valve.

Question 10

The blood vessel that branches to form a right common carotid and a right subclavian artery is the

Accepted Answer

A) ascending aorta. 
B) aortic arch. 
C) brachiocephalic artery. 
D) thoracic aorta. 
E) axillary artery. 
A) ascending aorta. 
B) aortic arch. 
C) brachiocephalic artery. 
D) thoracic aorta. 
E) axillary artery.

Question 11

Capillaries that have a complete lining are called

Accepted Answer

A) continuous capillaries. 
B) fenestrated capillaries. 
C) sinusoidal capillaries. 
D) sinusoids. 
E) vasa vasorum. 
A) continuous capillaries. 
B) fenestrated capillaries. 
C) sinusoidal capillaries. 
D) sinusoids. 
E) vasa vasorum.

Question 12

The resistance to blood flow of the entire cardiovascular system is known as

Accepted Answer

A) severe combined constriction. 
B) vasomotion. 
C) vasoconstriction. 
D) total peripheral resistance. 
E) systemic resistance. 
A) severe combined constriction. 
B) vasomotion. 
C) vasoconstriction. 
D) total peripheral resistance. 
E) systemic resistance.

Question 13

In what vessel is blood pressure the highest?

Accepted Answer

A) artery 
B) arteriole 
C) capillary 
D) venule 
E) vein 
A) artery 
B) arteriole 
C) capillary 
D) venule 
E) vein

Question 14

Figure 21-2 Veins
Use Figure 21-2 to answer the following questions:
-Identify the vein labeled "15."

Accepted Answer

A) axillary 
B) brachial 
C) radial 
D) basilic 
E) ulnar 
A) axillary 
B) brachial 
C) radial 
D) basilic 
E) ulnar

Question 15

A(n)________ is a bulge,or weakened wall,of an artery.

Accepted Answer

A) aneurysm 
B) stroke 
C) vascular edema 
D) arteriosclerosis 
E) atherosclerosis 
A) aneurysm 
B) stroke 
C) vascular edema 
D) arteriosclerosis 
E) atherosclerosis

Question 16

In arteries,the thick layer of elastic fibers associated with the tunica intima is called the

Accepted Answer

A) tunica intima. 
B) external elastic membrane. 
C) tunica media. 
D) internal elastic membrane. 
E) tunica externa. 
A) tunica intima. 
B) external elastic membrane. 
C) tunica media. 
D) internal elastic membrane. 
E) tunica externa.

Question 17

The fusion of the brachiocephalic veins forms the

Accepted Answer

A) inferior vena cava. 
B) superior vena cava. 
C) innominate vein. 
D) subclavian vein. 
E) azygos vein. 
A) inferior vena cava. 
B) superior vena cava. 
C) innominate vein. 
D) subclavian vein. 
E) azygos vein.

Question 18

Total peripheral resistance is related to all of the following except the

Accepted Answer

A) length of a blood vessel. 
B) osmolarity of interstitial fluids. 
C) turbulence. 
D) blood viscosity. 
E) blood vessel diameter. 
A) length of a blood vessel. 
B) osmolarity of interstitial fluids. 
C) turbulence. 
D) blood viscosity. 
E) blood vessel diameter.

Question 19

Figure 21-1 Arteries
Use Figure 21-1 to answer the following questions:
-Identify the artery labeled "16."

Accepted Answer

A) axillary 
B) inferior mesenteric 
C) celiac 
D) superior mesenteric 
E) splenic 
A) axillary 
B) inferior mesenteric 
C) celiac 
D) superior mesenteric 
E) splenic

Question 20

Figure 21-2 Veins
Use Figure 21-2 to answer the following questions:
-Identify the vein labeled "8."

Accepted Answer

A) superior vena cava 
B) brachiocephalic 
C) axillary 
D) external jugular 
E) subclavian 
A) superior vena cava 
B) brachiocephalic 
C) axillary 
D) external jugular 
E) subclavian

Exam 21: Blood Vessels and Circulation

The condition known as ________ is characterized by the formation of fatty plaques within the wall of arteries.

Turbulent blood flow occurs

Venules feed blood into

Blood flow to a tissue will increase if the

The blood vessel that supplies blood to the brain from the anterior direction is the ________ artery.

Which of the following veins empty directly into the inferior vena cava?

Stimulation of the aortic baroreceptors reflexively results in

Which of the following are the smallest venous vessels?

A vein that measures 5 mm would be considered a(n)

The blood vessel that branches to form a right common carotid and a right subclavian artery is the

Capillaries that have a complete lining are called

The resistance to blood flow of the entire cardiovascular system is known as

In what vessel is blood pressure the highest?

Figure 21-2 Veins Use Figure 21-2 to answer the following questions: -Identify the vein labeled "15."

A(n)________ is a bulge,or weakened wall,of an artery.

In arteries,the thick layer of elastic fibers associated with the tunica intima is called the

The fusion of the brachiocephalic veins forms the

Total peripheral resistance is related to all of the following except the

Figure 21-1 Arteries Use Figure 21-1 to answer the following questions: -Identify the artery labeled "16."

Figure 21-2 Veins Use Figure 21-2 to answer the following questions: -Identify the vein labeled "8."

An Introduction to Anatomy and Physiology

The Chemical Level of Organization

The Cellular Level of Organization

The Tissue Level of Organization

The Integumentary System

Osseous Tissue and Bone Structure

The Axial Skeleton

The Appendicular Skeleton

Joints

Muscle Tissue

The Muscular System

Neural Tissue

The Spinal Cord, spinal Nerves, and Spinal Reflexes

The Brain and Cranial Nerves

Sensory Pathways and the Somatic Nervous System

The Autonomic Nervous System and Higher-Order Functions

The Special Senses

The Endocrine System

Blood

The Heart

The Lymphatic System and Immunity

The Respiratory System

The Digestive System

Metabolism and Energetics

The Urinary System

Fluid, electrolyte, and Acid-Base Balance

The Reproductive System

Development and Inheritance

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