Question 1

The maintenance of blood flow by tissues is called _______.

Accepted Answer

The answer of The maintenance of blood flow by tissues...

Question 2

Peripheral chemoreceptors

Accepted Answer

A)   are located in the aortic and carotid bodies.
B)   are sensitive to small changes in oxygen levels in the blood.
C)   monitor blood pressure.
D)   are not sensitive to carbon dioxide or hydrogen ion levels.
E)   are not sensitive to changes in pH of the blood.F) A) and D)
G) A) and E)

Question 3

What structure helps to regulate body temperature?

Accepted Answer

A)   glomus
B)   tunic
C)   fenestrae
D)   metarterioleE) None of the above
F) All of the above

Question 4

Match the vessel with the appropriate description.
-internal jugular vein

Accepted Answer

A)  drains blood from the arm
B)  superficial vein of the head and neck
C)  the posterior intercostals veins join this vein on the right side of the body
D)  deep vein that drains blood from the cranial vault
E)  formed by the union of the internal jugular and the subclavian veinsF) A) and C)
G) C) and D)

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 ischemiaF) B) and C)
G) A) and C)

Question 6

Arteries can constrict or dilate as needed because of the smooth muscle found in the

Accepted Answer

A)   tunica intima.
B)   tunica media.
C)   tunica adventitia.
D)   tunica externa.
E)   tunica interna.F) C) and D)
G) A) and E)

Question 7

Continuous capillaries

Accepted Answer

A)   have many thin areas called fenestrae.
B)   are freely permeable to large molecules such as hormones.
C)   have a wall where the endothelial cells fit very tightly together.
D)   are more permeable then fenestrated capillaries but not as permeable as sinusoidal capillaries.
E)   are characterized by continuous pores.F) B) and D)
G) A) and C)

Question 8

The internal jugular veins join the subclavian veins to form the

Accepted Answer

A)   superior vena cavae.
B)   axillary veins.
C)   brachiocephalic veins.
D)   azygos veins.
E)   external jugular veins.F) B) and C)
G) A) and C)

Question 9

Match the vessel with the appropriate description.
-thoracic parietal artery

Accepted Answer

A)  supplies blood to the diaphragm
B)  supplies blood to the esophagus
C)  supplies blood to the thoracic wall
D)  supplies blood to the pancreas and small intestine
E)  supplies blood to the stomach, liver, and spleenF) A) and C)
G) B) and E)

Question 10

The _____ begins with capillaries in the abdominal viscera and ends with capillaries in the liver.

Accepted Answer

A)   superior mesenteric system
B)   celiac system
C)   hepatic portal system
D)   hepatic vein
E)   splenic systemF) C) and E)
G) A) and E)

Question 11

Baron von Quacko, famous tag-team wrestler, has a famous "sleeper hold" that he uses on his opponents. Using only a single digit on each hand, he presses on his opponent's neck until his opponent passes out. What are the structures on which he is pressing and what is the effect?

Accepted Answer

A)   subclavian arteries; blood flow to brain is stopped
B)   carotid chemoreceptors; blood pressure increases
C)   baroreceptors in carotid sinus; peripheral vasodilation and decreased heart rate
D)   vertebral arteries; blood flow to brain is increased
E)   jugular vein; blood flow back to heart is decreasedF) A) and B)
G) B) and E)

Question 12

-The diagram illustrates a part of a capillary. What does "B" represent?

Accepted Answer

A)   basement membrane
B)   RBC
C)   capillary endothelial cell
D)   nucleus of endothelial cell
E)   precapillary cellF) A) and D)
G) C) and D)

Question 13

Which type of vessel has the greatest compliance?

Accepted Answer

A)   arteries
B)   veins
C)   arterioles
D)   capillariesE) None of the above
F) All of the above

Question 14

Match the term with the appropriate description.
-aneurysm

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 arteriesF) A) and B)
G) C) and D)

Question 15

-On this diagram label pulse point "E".

Accepted Answer

A)   femoral artery
B)   radial artery
C)   common carotid artery
D)   popliteal artery
E)   brachial arteryF) D) and E)
G) None of the above

Question 16

Match the following with the appropriate description.
-subclavian 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 pressureF) C) and D)
G) C) and E)

Question 17

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.F) D) and E)
G) B) and D)

Question 18

Match the vessel with the appropriate description.
-celiac trunk

Accepted Answer

A)  supplies blood to the diaphragm
B)  supplies blood to the esophagus
C)  supplies blood to the thoracic wall
D)  supplies blood to the pancreas and small intestine
E)  supplies blood to the stomach, liver, and spleenF) C) and D)
G) B) and C)

Question 19

Veins that return blood directly to the heart include the

Accepted Answer

A)   brachiocephalic vein.
B)   superior vena cava.
C)   portal vein.
D)   azygos vein.
E)   pulmonary arteries.F) D) and E)
G) A) and C)

Question 20

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 these choice are correct.F) A) and B)
G) A) and D)

Exam 21: Cardiovascular System: Blood Vessels and Circulation

The _____ begins with capillaries in the abdominal viscera and ends with capillaries in the liver.

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-The diagram illustrates a part of a capillary. What does "B" represent?

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Veins that return blood directly to the heart include the

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Peripheral chemoreceptors

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Which type of vessel has the greatest compliance?

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Match the following with the appropriate description. -subclavian artery

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Arteries can constrict or dilate as needed because of the smooth muscle found in the

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Match the vessel with the appropriate description. -celiac trunk

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Match the vessel with the appropriate description. -internal jugular vein

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

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The internal jugular veins join the subclavian veins to form the

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Match the term with the appropriate description. -aneurysm

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Match the term with the appropriate description. -infarct

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What structure helps to regulate body temperature?

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Baron von Quacko, famous tag-team wrestler, has a famous "sleeper hold" that he uses on his opponents. Using only a single digit on each hand, he presses on his opponent's neck until his opponent passes out. What are the structures on which he is pressing and what is the effect?

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Match the vessel with the appropriate description. -thoracic parietal artery

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The hepatic portal system

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Continuous capillaries

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-On this diagram label pulse point "E".

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The maintenance of blood flow by tissues is called _______.

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