Question 1

Which of the following statements about laminar blood flow is true?

Accepted Answer

A)  The innermost layer of blood moves at the lowest velocity. 
B)  Laminar blood flow occurs when blood flows past an area of constriction. 
C)  The outermost layer of blood experiences the greatest resistance to flow. 
D)  In laminar blood flow, the rapid rate of blood flow exceeds critical velocity. 
E)  It makes lots of different noises. 
A)  The innermost layer of blood moves at the lowest velocity. 
B)  Laminar blood flow occurs when blood flows past an area of constriction. 
C)  The outermost layer of blood experiences the greatest resistance to flow. 
D)  In laminar blood flow, the rapid rate of blood flow exceeds critical velocity. 
E)  It makes lots of different noises.

Question 2

Which of the following arteries is part of a circulatory pathway to the brain?

Accepted Answer

A)  Radial artery 
B)  Cephalic artery 
C)  Internal carotid artery 
D)  External jugular vein 
E)  Axillary artery 
A)  Radial artery 
B)  Cephalic artery 
C)  Internal carotid artery 
D)  External jugular vein 
E)  Axillary artery

Question 3

The greatest resistance to blood flow and therefore the greatest drop in pressure occurs as blood passes through the ________.

Accepted Answer

A)  venules 
B)  large arteries 
C)  large veins 
D)  arterioles 
A)  venules 
B)  large arteries 
C)  large veins 
D)  arterioles

Question 4

When comparing veins and arteries of the same diameter, which of the following statements is not true?

Accepted Answer

A)  Veins have thinner walls. 
B)  Veins have valves. 
C)  Veins have fewer smooth muscle fibers. 
D)  Veins have a larger lumen. 
E)  Veins have more elastic tissue. 
A)  Veins have thinner walls. 
B)  Veins have valves. 
C)  Veins have fewer smooth muscle fibers. 
D)  Veins have a larger lumen. 
E)  Veins have more elastic tissue.

Question 5

The three major arteries of the upper limb that form a continuum are the ________.

Accepted Answer

A)  brachial, radial, and ulnar arteries 
B)  brachial, axillary, and radial arteries 
C)  subclavian, axillary, and radial arteries 
D)  subclavian, axillary, and brachial arteries 
E)  cephalic, basilic, and brachial arteries 
A)  brachial, radial, and ulnar arteries 
B)  brachial, axillary, and radial arteries 
C)  subclavian, axillary, and radial arteries 
D)  subclavian, axillary, and brachial arteries 
E)  cephalic, basilic, and brachial arteries

Question 6

Match the term with the appropriate description.
-Arteriosclerosis

Accepted Answer

A) A bulge (a weak spot) in the artery wall 
B) Degenerative changes in arteries 
C) An overstretching of the veins of the lower extremities 
D) Inflammation of the veins 
E) Small vessels that supply nutrients to large arteries 
A) A bulge (a weak spot) in the artery wall 
B) Degenerative changes in arteries 
C) An overstretching of the veins of the lower extremities 
D) Inflammation of the veins 
E) Small vessels that supply nutrients to large arteries

Question 7

When vasodilation doubles the vessel diameter, what is the change in resistance?

Accepted Answer

A)  Reduced by half 
B)  Doubles (twice the original value) 
C)  Reduced by 1/4th of the original value 
D)  Reduced to 1/16th of the original value 
A)  Reduced by half 
B)  Doubles (twice the original value) 
C)  Reduced by 1/4th of the original value 
D)  Reduced to 1/16th of the original value

Question 8

From the heart to body tissues, which of the following sequences of vessels is correct?

Accepted Answer

A)  Muscular artery, arteriole, elastic artery, capillary 
B)  Arteriole, muscular artery, elastic artery, capillary 
C)  Elastic artery, muscular artery, arteriole, capillary 
D)  Elastic artery, arteriole, muscular artery, capillary 
E)  Distributing artery, muscular artery, medium artery, capillary 
A)  Muscular artery, arteriole, elastic artery, capillary 
B)  Arteriole, muscular artery, elastic artery, capillary 
C)  Elastic artery, muscular artery, arteriole, capillary 
D)  Elastic artery, arteriole, muscular artery, capillary 
E)  Distributing artery, muscular artery, medium artery, capillary

Question 9

When blood pressure is greater than the blood colloid osmotic pressure, there is

Accepted Answer

A)  a net movement of fluid into the capillary. 
B)  a net movement of fluid out of the capillary. 
C)  less lymph formed. 
D)  a decrease in the volume of the interstitial fluid. 
E)  a decreased likelihood of edema. 
A)  a net movement of fluid into the capillary. 
B)  a net movement of fluid out of the capillary. 
C)  less lymph formed. 
D)  a decrease in the volume of the interstitial fluid. 
E)  a decreased likelihood of edema.

Question 10

Capillary walls serve as effective permeability barriers for ________.

Accepted Answer

A)  oxygen and carbon dioxide 
B)  electrolytes 
C)  glucose 
D)  proteins 
E)  small water-soluble molecules 
A)  oxygen and carbon dioxide 
B)  electrolytes 
C)  glucose 
D)  proteins 
E)  small water-soluble molecules

Question 11

Which of the following events would cause a decrease in mean arterial blood pressure?

Accepted Answer

A)  An increase in ADH production 
B)  Release of atrial natriuretic factor 
C)  Constriction of blood vessels in the skin 
D)  Activation of the renin-angiotensin mechanism 
E)  An increase in aldosterone production 
A)  An increase in ADH production 
B)  Release of atrial natriuretic factor 
C)  Constriction of blood vessels in the skin 
D)  Activation of the renin-angiotensin mechanism 
E)  An increase in aldosterone production

Question 12

The ________ vein connects the basilic vein and cephalic vein.

Accepted Answer

A)  axillary 
B)  subclavian 
C)  brachial 
D)  median antebrachial 
E)  median cubital 
A)  axillary 
B)  subclavian 
C)  brachial 
D)  median antebrachial 
E)  median cubital

Question 13

The internal jugular veins join the subclavian veins to form the ________.

Accepted Answer

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

Question 14

The vein that ascends along the medial side of the lower limb to the femoral vein is the ________ saphenous vein, and the vein that ascends along the posterior aspect of the leg to the popliteal vein is the ________ saphenous vein.

Accepted Answer

A)  small; great 
B)  internal; external 
C)  external; internal 
D)  great; small 
A)  small; great 
B)  internal; external 
C)  external; internal 
D)  great; small

Question 15

Match the vessel with the appropriate description.
-Middle cerebral artery

Accepted Answer

A) Supplies blood to the frontal lobes of the brain 
B) A circle of arteries at the base of the brain 
C) Supplies large portions of the lateral cerebral cortex 
D) Supplies the posterior portion of the cerebrum 
E) Formed by the bifurcation of the abdominal aorta 
A) Supplies blood to the frontal lobes of the brain 
B) A circle of arteries at the base of the brain 
C) Supplies large portions of the lateral cerebral cortex 
D) Supplies the posterior portion of the cerebrum 
E) Formed by the bifurcation of the abdominal aorta

Question 16

Where is the vasomotor center located?

Accepted Answer

A)  Pons and medulla oblongata 
B)  Pons and midbrain 
C)  Cerebrum and medulla oblongata 
D)  Medulla oblongata 
A)  Pons and medulla oblongata 
B)  Pons and midbrain 
C)  Cerebrum and medulla oblongata 
D)  Medulla oblongata

Question 17

The hepatic portal system

Accepted Answer

A)  begins and ends with capillary beds. 
B)  transports nutrients from the digestive tract to the liver. 
C)  allows the liver to detoxify substances entering the body through the digestive tract. 
D)  has no pumping mechanism between the capillary beds. 
E)  All of the choices are correct. 
A)  begins and ends with capillary beds. 
B)  transports nutrients from the digestive tract to the liver. 
C)  allows the liver to detoxify substances entering the body through the digestive tract. 
D)  has no pumping mechanism between the capillary beds. 
E)  All of the choices are correct.

Question 18

Fill in the missing blood vessel.
Vertebral artery; ________; posterior cerebral artery

Accepted Answer

The answer of Fill in the missing blood vessel.
Vertebral artery;...

Question 19

Which of the following would lead to relaxation of the precapillary sphincter?

Accepted Answer

A)  Decreased tissue metabolism 
B)  Decreased O2 levels in tissue cells served by the capillary 
C)  Decreased CO2 concentration in the capillary bed 
D)  Decreased lactate production by cells in the capillary bed 
E)  Decreased nitric acid levels 
A)  Decreased tissue metabolism 
B)  Decreased O2 levels in tissue cells served by the capillary 
C)  Decreased CO2 concentration in the capillary bed 
D)  Decreased lactate production by cells in the capillary bed 
E)  Decreased nitric acid levels

Question 20

Which layer of an artery wall contains endothelium?

Accepted Answer

A)  Tunica intima 
B)  Tunica media 
C)  Tunica adventitia 
D)  Tunica elastica 
E)  Tunica intermedia 
A)  Tunica intima 
B)  Tunica media 
C)  Tunica adventitia 
D)  Tunica elastica 
E)  Tunica intermedia

Exam 21: Cardiovascular System: Blood Vessels and Circulation

Which of the following statements about laminar blood flow is true?

Which of the following arteries is part of a circulatory pathway to the brain?

The greatest resistance to blood flow and therefore the greatest drop in pressure occurs as blood passes through the ________.

When comparing veins and arteries of the same diameter, which of the following statements is not true?

The three major arteries of the upper limb that form a continuum are the ________.

Match the term with the appropriate description. -Arteriosclerosis

When vasodilation doubles the vessel diameter, what is the change in resistance?

From the heart to body tissues, which of the following sequences of vessels is correct?

When blood pressure is greater than the blood colloid osmotic pressure, there is

Capillary walls serve as effective permeability barriers for ________.

Which of the following events would cause a decrease in mean arterial blood pressure?

The ________ vein connects the basilic vein and cephalic vein.

The internal jugular veins join the subclavian veins to form the ________.

The vein that ascends along the medial side of the lower limb to the femoral vein is the ________ saphenous vein, and the vein that ascends along the posterior aspect of the leg to the popliteal vein is the ________ saphenous vein.

Match the vessel with the appropriate description. -Middle cerebral artery

Where is the vasomotor center located?

The hepatic portal system

Fill in the missing blood vessel. Vertebral artery; ________; posterior cerebral artery

Which of the following would lead to relaxation of the precapillary sphincter?

Which layer of an artery wall contains endothelium?

The Human Organism

The Chemical Basis of Life

Cell Biology

Tissues

Integumentary System

Skeletal System: Bones and Bone Tissue

Skeletal System: Gross Anatomy

Joint and Movement

Muscular System: Histology and Physiology

Muscular System: Gross Anatomy

Functional Organization of Nervous Tissue

Spinal Cord and Spinal Nerves

Brain and Cranial Nerves

Integration of Nervous System Functions

The Special Senses

Autonomic Nervous System

Functional Organization of the Endocrine System

Endocrine Glands

Cardiovascular System: Blood

Cardiovascular System: the Heart

Lymphatic System and Immunity

Respiratory System

Digestive System

Nutrition, Metabolism, and Temperature Regulation

Urinary System

Water, Electrolyte, and Acid-Base Balance

Reproductive System

Development, Growth, Aging, and Genetics

Filters

The vein that ascends along the medial side of the lower limb to the femoral vein is the saphenous vein, and the vein that ascends along the posterior aspect of the leg to the popliteal vein is the saphenous vein.