Question 1

Which of the following is normally the greatest source acting against blood flow?

Accepted Answer

A)  vascular resistance 
B)  venous pressure 
C)  viscosity of blood 
D)  vessel length 
E)  turbulence 
A)  vascular resistance 
B)  venous pressure 
C)  viscosity of blood 
D)  vessel length 
E)  turbulence

Question 2

In-Text Figure Based Questions
-Which type of blood vessel has (a) the largest lumen and (b) the thickest tunica media? (Figure 21-2)

Accepted Answer

A)  arteries; veins 
B)  veins; arteries 
C)  arteries; capillaries 
D)  capillaries; arteries 
E)  veins; capillaries 
A)  arteries; veins 
B)  veins; arteries 
C)  arteries; capillaries 
D)  capillaries; arteries 
E)  veins; capillaries

Question 3

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 4

Blood from the medial border of the stomach is drained by the

Accepted Answer

A)  celiac trunk. 
B)  gastric vein. 
C)  superior mesenteric vein. 
D)  inferior mesenteric vein. 
E)  inferior vena cava. 
A)  celiac trunk. 
B)  gastric vein. 
C)  superior mesenteric vein. 
D)  inferior mesenteric vein. 
E)  inferior vena cava.

Question 5

All of the following occur during exercise except

Accepted Answer

A)  vasodilation occurs at the active skeletal muscles. 
B)  venous return increases. 
C)  both cardiac output and stroke volume increase. 
D)  tissue perfusion to the digestive system decreases. 
E)  angiotensin II is released. 
A)  vasodilation occurs at the active skeletal muscles. 
B)  venous return increases. 
C)  both cardiac output and stroke volume increase. 
D)  tissue perfusion to the digestive system decreases. 
E)  angiotensin II is released.

Question 6

Which layer of a blood vessel contains concentric sheets of smooth muscle tissue?

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 7

The superior sagittal sinus collects blood from the

Accepted Answer

A)  heart. 
B)  lungs. 
C)  brain. 
D)  arms. 
E)  legs. 
A)  heart. 
B)  lungs. 
C)  brain. 
D)  arms. 
E)  legs.

Question 8

An important pulse point in the neck on the lateral sides of the trachea is the

Accepted Answer

A)  internal carotid artery. 
B)  external carotid artery. 
C)  common carotid artery. 
D)  internal jugular vein. 
E)  external jugular vein. 
A)  internal carotid artery. 
B)  external carotid artery. 
C)  common carotid artery. 
D)  internal jugular vein. 
E)  external jugular vein.

Question 9

An important artery that supplies blood to the brain is the ________ artery.

Accepted Answer

A)  internal carotid 
B)  external carotid 
C)  mental 
D)  azygos 
E)  maxillary 
A)  internal carotid 
B)  external carotid 
C)  mental 
D)  azygos 
E)  maxillary

Question 10

Exchange between a blood vessel and the cells that surround it can occur only in

Accepted Answer

A)  arteries. 
B)  arterioles. 
C)  veins. 
D)  venules. 
E)  capillaries. 
A)  arteries. 
B)  arterioles. 
C)  veins. 
D)  venules. 
E)  capillaries.

Question 11

Elderly individuals are more prone than younger individuals to have all of the following, except

Accepted Answer

A)  hypertension. 
B)  venous thrombosis. 
C)  increased elasticity of vessel walls. 
D)  varicose veins. 
E)  arteriosclerosis. 
A)  hypertension. 
B)  venous thrombosis. 
C)  increased elasticity of vessel walls. 
D)  varicose veins. 
E)  arteriosclerosis.

Question 12

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 13

The ________ vein ascends along the radial side of the forearm.

Accepted Answer

A)  cephalic 
B)  basilic 
C)  brachial 
D)  median cubital 
E)  ulnar 
A)  cephalic 
B)  basilic 
C)  brachial 
D)  median cubital 
E)  ulnar

Question 14

Blood colloid osmotic pressure (BCOP) decreases in starving children because

Accepted Answer

A)  starvation increases blood pressure which, in turn, decreases BCOP. 
B)  starvation increases the permeability of capillaries causing a decrease in BCOP. 
C)  starvation prevents the liver from producing enough protein to maintain BCOP. 
D)  malnourished children do not exercise, which results in a decrease in BCOP. 
E)  This statement is false; BCOP actually increases in starving children. 
A)  starvation increases blood pressure which, in turn, decreases BCOP. 
B)  starvation increases the permeability of capillaries causing a decrease in BCOP. 
C)  starvation prevents the liver from producing enough protein to maintain BCOP. 
D)  malnourished children do not exercise, which results in a decrease in BCOP. 
E)  This statement is false; BCOP actually increases in starving children.

Question 15

The vein in the arm commonly sampled for blood by venipuncture is the ________ vein.

Accepted Answer

A)  cephalic 
B)  basilic 
C)  brachial 
D)  median cubital 
E)  ulnar 
A)  cephalic 
B)  basilic 
C)  brachial 
D)  median cubital 
E)  ulnar

Question 16

Which part of the vascular system functions as a blood reservoir and contains over 60% of the body's blood?

Accepted Answer

A)  pulmonary arteries 
B)  capillaries 
C)  systemic arterioles 
D)  veins 
E)  arteries 
A)  pulmonary arteries 
B)  capillaries 
C)  systemic arterioles 
D)  veins 
E)  arteries

Question 17

What vessels contain elastic fibers in the walls that are stretched during systole?

Accepted Answer

A)  arteries 
B)  arterioles 
C)  capillaries 
D)  venules 
E)  veins 
A)  arteries 
B)  arterioles 
C)  capillaries 
D)  venules 
E)  veins

Question 18

The force that moves fluid out of capillaries is ________ pressure whereas the opposing force that movesfluid into capillaries is ________ pressure.

Accepted Answer

A)  systolic; diastolic 
B)  hydrostatic; colloid osmotic 
C)  blood; interstitial 
D)  colloid osmotic; hydrostatic 
E)  plasma; extracellular 
A)  systolic; diastolic 
B)  hydrostatic; colloid osmotic 
C)  blood; interstitial 
D)  colloid osmotic; hydrostatic 
E)  plasma; extracellular

Question 19

Each of the following factors would increase peripheral resistance except

Accepted Answer

A)  increased sympathetic stimulation. 
B)  elevated levels of epinephrine. 
C)  vasodilation. 
D)  irregularities in the vessel walls caused by plaques. 
E)  elevated hematocrit. 
A)  increased sympathetic stimulation. 
B)  elevated levels of epinephrine. 
C)  vasodilation. 
D)  irregularities in the vessel walls caused by plaques. 
E)  elevated hematocrit.

Question 20

After the precapillary sphincter, blood enters a(n)

Accepted Answer

A)  venule. 
B)  anastomosis. 
C)  vein. 
D)  arteriole. 
E)  thoroughfare channel. 
A)  venule. 
B)  anastomosis. 
C)  vein. 
D)  arteriole. 
E)  thoroughfare channel.

Exam 21: Blood Vessels and Circulation

Which of the following is normally the greatest source acting against blood flow?

In-Text Figure Based Questions -Which type of blood vessel has (a) the largest lumen and (b) the thickest tunica media? (Figure 21-2)

Which of the following are the smallest venous vessels?

Blood from the medial border of the stomach is drained by the

All of the following occur during exercise except

Which layer of a blood vessel contains concentric sheets of smooth muscle tissue?

The superior sagittal sinus collects blood from the

An important pulse point in the neck on the lateral sides of the trachea is the

An important artery that supplies blood to the brain is the ________ artery.

Exchange between a blood vessel and the cells that surround it can occur only in

Elderly individuals are more prone than younger individuals to have all of the following, except

In what vessel is blood pressure the highest?

The ________ vein ascends along the radial side of the forearm.

Blood colloid osmotic pressure (BCOP) decreases in starving children because

The vein in the arm commonly sampled for blood by venipuncture is the ________ vein.

Which part of the vascular system functions as a blood reservoir and contains over 60% of the body's blood?

What vessels contain elastic fibers in the walls that are stretched during systole?

The force that moves fluid out of capillaries is ________ pressure whereas the opposing force that movesfluid into capillaries is ________ pressure.

Each of the following factors would increase peripheral resistance except

After the precapillary sphincter, blood enters a(n)

An Introduction to Anatomy and Physiology

The Chemical Level of Organization

The Cellular Level of Organization

The Tissue Level of Organization

The Integumentary System

Bones and Bone Structure

The Axial Skeleton

The Appendicular Skeleton

Joints

Muscle Tissue

The Muscular System

Nervous 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, Nutrition, and Energetics

The Urinary System

Fluid, Electrolyte, and Acid-Base Balance

The Reproductive System

Development and Inheritance

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The force that moves fluid out of capillaries is pressure whereas the opposing force that movesfluid into capillaries is pressure.