Question 1

Which of the following is NOT a vasodilator substance produced in the extracellular fluid?

Accepted Answer

A)  ATP 
B)  lactic acid 
C)  ADP 
D)  carbon dioxide 
A)  ATP 
B)  lactic acid 
C)  ADP 
D)  carbon dioxide

Question 2

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 3

Blood from the posterior abdominal wall drains into the

Accepted Answer

A)  hepatic portal vein. 
B)  inferior vena cava. 
C)  ascending lumbar veins. 
D)  mesenteric vein. 
E)  hepatic vein. 
A)  hepatic portal vein. 
B)  inferior vena cava. 
C)  ascending lumbar veins. 
D)  mesenteric vein. 
E)  hepatic vein.

Question 4

The hepatic portal vein is formed by the union of the splenic vein and the

Accepted Answer

A)  superior mesenteric vein. 
B)  inferior mesenteric vein. 
C)  hepatic vein. 
D)  renal vein. 
E)  gastric vein. 
A)  superior mesenteric vein. 
B)  inferior mesenteric vein. 
C)  hepatic vein. 
D)  renal vein. 
E)  gastric vein.

Question 5

Match the term with the appropriate description.
-infarct

Accepted Answer

A) dead tissue 
B) a floating clot 
C) sudden decreased blood supply to a part of the brain 
D) a stationary clot 
E) a localized area of dead cells resulting from ischemia 
A) dead tissue 
B) a floating clot 
C) sudden decreased blood supply to a part of the brain 
D) a stationary clot 
E) a localized area of dead cells resulting from ischemia

Question 6

Use the following key to choose the most correct answer.
-(1) plasma volume when ADH levels increase;
(2) plasma volume when ADH levels decrease

Accepted Answer

A) Choose this if the first item is greater than the second item. 
B) Choose this if the first item is less than the second item. 
C) Choose this if the first item is equal or nearly equal to the second item. 
A) Choose this if the first item is greater than the second item. 
B) Choose this if the first item is less than the second item. 
C) Choose this if the first item is equal or nearly equal to the second item.

Question 7

Capillaries have the slowest velocity because

Accepted Answer

A)  the total cross-sectional area is the smallest. 
B)  the resistance is the greatest. 
C)  the total cross-sectional area is the largest. 
D)  their diameters are the smallest. 
A)  the total cross-sectional area is the smallest. 
B)  the resistance is the greatest. 
C)  the total cross-sectional area is the largest. 
D)  their diameters are the smallest.

Question 8

Which of the following factors assists in the return of venous blood to the heart? (1) arterial dilation
(2) valves in the veins
(3) sympathetic stimulation
(4) compression of veins by muscular movements

Accepted Answer

A)  1 and 2 
B)  1, 2, 3 
C)  1, 2, 3, 4 
D)  2, 3, 4 
E)  1, 3, 4 
A)  1 and 2 
B)  1, 2, 3 
C)  1, 2, 3, 4 
D)  2, 3, 4 
E)  1, 3, 4

Question 9

The first blood vessels that branch from the ascending aorta are the

Accepted Answer

A)  coronary arteries. 
B)  brachiocephalic arteries. 
C)  common carotid arteries. 
D)  subclavian arteries. 
E)  pulmonary arteries. 
A)  coronary arteries. 
B)  brachiocephalic arteries. 
C)  common carotid arteries. 
D)  subclavian arteries. 
E)  pulmonary arteries.

Question 10

Describe the relationship between pulse pressure, aging and compliance.

Accepted Answer

A)  With increasing age, compliance increases and pulse pressure increases. 
B)  With increasing age, compliance decreases and pulse pressure decreases. 
C)  With increasing age, compliance decreases and pulse pressure is unaffected. 
D)  With increasing age, compliance decreases and pulse pressure increases. 
A)  With increasing age, compliance increases and pulse pressure increases. 
B)  With increasing age, compliance decreases and pulse pressure decreases. 
C)  With increasing age, compliance decreases and pulse pressure is unaffected. 
D)  With increasing age, compliance decreases and pulse pressure increases.

Question 11

Match the following with the appropriate description.
-external carotid artery

Accepted Answer

A) formed when the right and left vertebral arteries unite 
B) supplies blood to the face, nose, and mouth 
C) terminates by forming the middle cerebral arteries 
D) supplies blood to the arm and shoulder regions 
E) sense organs that monitor blood pressure 
A) formed when the right and left vertebral arteries unite 
B) supplies blood to the face, nose, and mouth 
C) terminates by forming the middle cerebral arteries 
D) supplies blood to the arm and shoulder regions 
E) sense organs that monitor blood pressure

Question 12

As the popliteal vein ascends the leg, it becomes the

Accepted Answer

A)  peroneal vein. 
B)  saphenous vein. 
C)  common iliac vein. 
D)  femoral vein. 
E)  deep femoral vein. 
A)  peroneal vein. 
B)  saphenous vein. 
C)  common iliac vein. 
D)  femoral vein. 
E)  deep femoral vein.

Question 13

When there is a drop in blood pressure, the body reacts immediately by way of the

Accepted Answer

A)  baroreceptor mechanism. 
B)  chemoreceptor mechanism. 
C)  CNS ischemic mechanism. 
D)  stress-relaxation mechanism. 
E)  adrenal medullary mechanism. 
A)  baroreceptor mechanism. 
B)  chemoreceptor mechanism. 
C)  CNS ischemic mechanism. 
D)  stress-relaxation mechanism. 
E)  adrenal medullary mechanism.

Question 14

Select the answer that is not true when comparing veins and arteries of the same diameter.

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 15

Which of the following thoracic organs is supplied by a parietal branch of the thoracic aorta?

Accepted Answer

A)  the heart 
B)  the lungs 
C)  the esophagus 
D)  the intercostal muscles 
E)  the thymus gland 
A)  the heart 
B)  the lungs 
C)  the esophagus 
D)  the intercostal muscles 
E)  the thymus gland

Question 16

Match the term with the best description.
-vascular compliance

Accepted Answer

A) arteriosclerosis 
B) produced by turbulent blood flow 
C) blood flow is directly proportional to pressure differences and inversely proportional to resistance 
D) as pressure in a vessel decreases, the force holding it open decreases, and the vessel tends to collapse 
E) a characteristic of the venous system 
A) arteriosclerosis 
B) produced by turbulent blood flow 
C) blood flow is directly proportional to pressure differences and inversely proportional to resistance 
D) as pressure in a vessel decreases, the force holding it open decreases, and the vessel tends to collapse 
E) a characteristic of the venous system

Question 17

Fill in the missing blood vessel.
hepatic vein; _____________; right atrium

Accepted Answer

The answer of Fill in the missing blood vessel.
hepatic vein;...

Question 18

What are vasa vasorum?

Accepted Answer

A)  Blood vessels that connect primary and secondary capillary networks. 
B)  Structures within veins that keep blood flowing in one direction. 
C)  Connective tissue that surrounds large vessels. 
D)  Nerve plexuses surrounding the blood vessel. 
E)  Blood vessels that nourish the tunica adventitia and tunica media. 
A)  Blood vessels that connect primary and secondary capillary networks. 
B)  Structures within veins that keep blood flowing in one direction. 
C)  Connective tissue that surrounds large vessels. 
D)  Nerve plexuses surrounding the blood vessel. 
E)  Blood vessels that nourish the tunica adventitia and tunica media.

Question 19

The azygos vein drains blood from the _____ into the superior vena cava.

Accepted Answer

A)  head 
B)  upper arm 
C)  kidneys 
D)  thorax 
E)  abdominal wall 
A)  head 
B)  upper arm 
C)  kidneys 
D)  thorax 
E)  abdominal wall

Question 20

Which of the following statements concerning blood vessel walls is true?

Accepted Answer

A)  The tunica intima is the innermost layer of a blood vessel wall. 
B)  The tunica media is found in all blood vessels except veins. 
C)  The tunica adventitia is composed of smooth muscle and endothelium. 
D)  Capillaries have both a tunica intima and a tunica media. 
E)  Vessel diameter is controlled primarily by the tunica intima. 
A)  The tunica intima is the innermost layer of a blood vessel wall. 
B)  The tunica media is found in all blood vessels except veins. 
C)  The tunica adventitia is composed of smooth muscle and endothelium. 
D)  Capillaries have both a tunica intima and a tunica media. 
E)  Vessel diameter is controlled primarily by the tunica intima.

Exam 21: Cardiovascular System: Blood Vessels and Circulation

Which of the following is NOT a vasodilator substance produced in the extracellular fluid?

Fill in the missing blood vessel. vertebral artery; _____________; posterior cerebral artery

Blood from the posterior abdominal wall drains into the

The hepatic portal vein is formed by the union of the splenic vein and the

Match the term with the appropriate description. -infarct

Use the following key to choose the most correct answer. -(1) plasma volume when ADH levels increase; (2) plasma volume when ADH levels decrease

Capillaries have the slowest velocity because

Which of the following factors assists in the return of venous blood to the heart? (1) arterial dilation (2) valves in the veins (3) sympathetic stimulation (4) compression of veins by muscular movements

The first blood vessels that branch from the ascending aorta are the

Describe the relationship between pulse pressure, aging and compliance.

Match the following with the appropriate description. -external carotid artery

As the popliteal vein ascends the leg, it becomes the

When there is a drop in blood pressure, the body reacts immediately by way of the

Select the answer that is not true when comparing veins and arteries of the same diameter.

Which of the following thoracic organs is supplied by a parietal branch of the thoracic aorta?

Match the term with the best description. -vascular compliance

Fill in the missing blood vessel. hepatic vein; _____________; right atrium

What are vasa vasorum?

The azygos vein drains blood from the _____ into the superior vena cava.

Which of the following statements concerning blood vessel walls is true?

The Human Organism

The Chemical Basis of Life

Cell Biology

Tissues

Integumentary System

Skeletal System: Bones and Bone Tissue

Skeletal System: Gross Anatomy

Joints 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-Based Balance

Reproductive System

Development, Growth, Aging, and Genetics

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