Question 1

Which statement is true of veins?

Accepted Answer

A)  They always carry nonoxygenated blood. 
B)  They can be either muscular or elastic. 
C)  They always carry blood back to the heart. 
D)  All of the above are true of veins. 
A)  They always carry nonoxygenated blood. 
B)  They can be either muscular or elastic. 
C)  They always carry blood back to the heart. 
D)  All of the above are true of veins.

Question 2

Christopher, a 2-month-old infant, has a bluish tinge to his skin. Upon listening to the infant's chest, the physician became concerned about a leakage of blood between the right and left atria. What might have caused this problem and what is the treatment?

Accepted Answer

A)  The ductus venosus may not have closed at birth, and immediate surgical repair may be needed. 
B)  The ductus arteriosus may not have closed at birth, and immediate surgical repair may be needed. 
C)  The foramen ovale may not be closed, causing backflow of blood into the lungs. The physician will reexamine the infant frequently because the foramen ovale may take as long as 9 months to heal. 
D)  The foramen ovale may be closed, causing backflow of blood into the lungs. The physician will reexamine the infant frequently because the foramen ovale may take as long as 9 months to open. 
A)  The ductus venosus may not have closed at birth, and immediate surgical repair may be needed. 
B)  The ductus arteriosus may not have closed at birth, and immediate surgical repair may be needed. 
C)  The foramen ovale may not be closed, causing backflow of blood into the lungs. The physician will reexamine the infant frequently because the foramen ovale may take as long as 9 months to heal. 
D)  The foramen ovale may be closed, causing backflow of blood into the lungs. The physician will reexamine the infant frequently because the foramen ovale may take as long as 9 months to open.

Question 3

The order of blood flow through the vessels is:

Accepted Answer

A)  arterioles, venules, capillaries, arteries, and veins. 
B)  arteries, arterioles, capillaries, venules, and veins. 
C)  veins, venules, capillaries, arterioles, and arteries. 
D)  arterioles, arteries, capillaries, veins, and venules. 
A)  arterioles, venules, capillaries, arteries, and veins. 
B)  arteries, arterioles, capillaries, venules, and veins. 
C)  veins, venules, capillaries, arterioles, and arteries. 
D)  arterioles, arteries, capillaries, veins, and venules.

Question 4

The structural components of the circulatory system include the:

Accepted Answer

A)  heart and lungs. 
B)  heart and lymph nodes. 
C)  heart and blood vessels. 
D)  heart, vessels, and lymph nodes. 
A)  heart and lungs. 
B)  heart and lymph nodes. 
C)  heart and blood vessels. 
D)  heart, vessels, and lymph nodes.

Question 5

Name and describe the types of arteries from largest to smallest. What is the function of each?

Accepted Answer

The types of arteries from largest to sm

Question 6

Continuous, fenestrated, and sinusoid are all terms that can describe a type of capillary.

Accepted Answer

A) True 
 B)False

Question 7

After birth the ductus venosus closes and:

Accepted Answer

A)  allows blood to flow to the lungs. 
B)  allows blood to flow to the liver. 
C)  prevents blood from moving from the right to the left atrium. 
D)  stops blood flow to the placenta. 
A)  allows blood to flow to the lungs. 
B)  allows blood to flow to the liver. 
C)  prevents blood from moving from the right to the left atrium. 
D)  stops blood flow to the placenta.

Question 8

Regarding fetal circulation, the small vessel connecting the pulmonary artery with the descending thoracic aorta is called the:

Accepted Answer

A)  ductus arteriosus. 
B)  foramen ovale. 
C)  ductus venosus. 
D)  umbilical artery. 
A)  ductus arteriosus. 
B)  foramen ovale. 
C)  ductus venosus. 
D)  umbilical artery.

Question 9

In fetal circulation, the ductus arteriosus and foramen ovale:

Accepted Answer

A)  take blood from the fetus to the placenta. 
B)  connect the pulmonary artery with the aorta. 
C)  bypass the lungs. 
D)  shunt blood from the right atrium into the left atrium. 
A)  take blood from the fetus to the placenta. 
B)  connect the pulmonary artery with the aorta. 
C)  bypass the lungs. 
D)  shunt blood from the right atrium into the left atrium.

Question 10

Which of the following vessels carries blood from the lungs to the heart?

Accepted Answer

A)  Aorta 
B)  Pulmonary artery 
C)  Pulmonary vein 
D)  Inferior vena cava 
A)  Aorta 
B)  Pulmonary artery 
C)  Pulmonary vein 
D)  Inferior vena cava

Question 11

Describe the anatomy of the circle of Willis. Why is this an advantageous anatomical configuration?

Accepted Answer

The circle of Willis is a circular arran

Question 12

Match each term with its corresponding description.
-Vessels that carry blood toward the heart

Accepted Answer

A) Arteries 
B) Capillaries 
C) Pulmonary circulation 
D) Systemic circulation 
E) Tunica adventitia
F)Tunica intima
G)Tunica media
H)Veins 
A) Arteries 
B) Capillaries 
C) Pulmonary circulation 
D) Systemic circulation 
E) Tunica adventitia
F)Tunica intima
G)Tunica media
H)Veins

Question 13

Smooth muscle is found in all parts of the vascular system except the capillaries.

Accepted Answer

A) True 
 B)False

Question 14

One function of elastic fibers is to help maintain blood pressure.

Accepted Answer

A) True 
 B)False

Question 15

Very large arteries are called sinuses.

Accepted Answer

A) True 
 B)False

Question 16

Match each term with its corresponding description.
-Innermost layer of a blood vessel, consisting of endothelium

Accepted Answer

A) Arteries 
B) Capillaries 
C) Pulmonary circulation 
D) Systemic circulation 
E) Tunica adventitia
F)Tunica intima
G)Tunica media
H)Veins 
A) Arteries 
B) Capillaries 
C) Pulmonary circulation 
D) Systemic circulation 
E) Tunica adventitia
F)Tunica intima
G)Tunica media
H)Veins

Question 17

Christopher, a 2-month-old infant, has a bluish tinge to his skin. After listening to the infant's chest, the physician becomes concerned about a leakage of blood between the right and left atria. What might have caused this problem, and what is the treatment?

Accepted Answer

Christopher may be suffering from a cond

Question 18

Describe the fetal circulation. Also, describe the changes in circulation at birth.

Accepted Answer

Fetal circulation is the circulation of

Question 19

The circle of Willis is an example of an anastomosis.

Accepted Answer

A) True 
 B)False

Question 20

Atherosclerosis is characterized by the deposition of lipids in the tunica:

Accepted Answer

A)  intima. 
B)  adventitia. 
C)  media. 
D)  All of the above are correct. 
A)  intima. 
B)  adventitia. 
C)  media. 
D)  All of the above are correct.

Exam 29: Blood Vessels

Which statement is true of veins?

Christopher, a 2-month-old infant, has a bluish tinge to his skin. Upon listening to the infant's chest, the physician became concerned about a leakage of blood between the right and left atria. What might have caused this problem and what is the treatment?

The order of blood flow through the vessels is:

The structural components of the circulatory system include the:

Name and describe the types of arteries from largest to smallest. What is the function of each?

Continuous, fenestrated, and sinusoid are all terms that can describe a type of capillary.

After birth the ductus venosus closes and:

Regarding fetal circulation, the small vessel connecting the pulmonary artery with the descending thoracic aorta is called the:

In fetal circulation, the ductus arteriosus and foramen ovale:

Which of the following vessels carries blood from the lungs to the heart?

Describe the anatomy of the circle of Willis. Why is this an advantageous anatomical configuration?

Match each term with its corresponding description. -Vessels that carry blood toward the heart

Smooth muscle is found in all parts of the vascular system except the capillaries.

One function of elastic fibers is to help maintain blood pressure.

Very large arteries are called sinuses.

Match each term with its corresponding description. -Innermost layer of a blood vessel, consisting of endothelium

Christopher, a 2-month-old infant, has a bluish tinge to his skin. After listening to the infant's chest, the physician becomes concerned about a leakage of blood between the right and left atria. What might have caused this problem, and what is the treatment?

Describe the fetal circulation. Also, describe the changes in circulation at birth.

The circle of Willis is an example of an anastomosis.

Atherosclerosis is characterized by the deposition of lipids in the tunica:

Organization of the Body

Homeostasis

Chemical Basis of Life

Biomolecules

Cell Structure

Cell Function

Cell Growth and Development

Introduction to Tissues

Tissue Types

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Skeletal Tissues

Axial Skeleton

Appendicular Skeleton

Articulations

Axial Muscles

Appendicular Muscles

Muscle Contraction

Nervous System Cells

Nerve Signaling

Central Nervous System

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Autonomic Nervous System

General Senses

Special Senses

Endocrine Regulation

Endocrine Glands

Blood

Heart

Circulation of the Blood

Lymphatic System

Innate Immunity

Adaptive Immunity

Stress

Respiratory Tract

Ventilation

Gas Exchange & Transport

Upper Digestive Tract

Lower Digestive Tract

Digestion and Absorption

Nutrition and Metabolism

Urinary System

Fluid and Electrolyte Balance

Acid Base Balance

Male Reproductive System

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Growth and Development

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