Question 1

What happens to the excess fluid that leaves the capillaries at the venous end?

Accepted Answer

A)   The excess fluid is collected in the lymphatic capillaries.
B)   There is no excess fluid; 100% always returns to the capillary beds.
C)   The excess fluid is excreted by the kidneys.
D)   The excess fluid is reabsorbed by the intestines.
E)   The excess fluid will accumulate in the cells, causing them to rupture.F) A) and C)
G) B) and C)

Question 2

What are the string-like structures in the heart that anchor the atrioventricular valves?

Accepted Answer

A)   cingulated pectorale
B)   chordae tendineae
C)   corpus albicans
D)   corpus callosum
E)   choroid plexusF) A) and D)
G) A) and C)

Question 3

Blood pressure _____ with distance from the left ventricle,while the total cross-sectional area of the blood vessels _____.

Accepted Answer

A)   decreases; increases
B)   increases; decreases
C)   stays the same; decreases
D)   stays the same; increases
E)   decreases; stays the sameF) C) and E)
G) B) and C)

Question 4

Which of the following is the largest artery of the systemic circuit?

Accepted Answer

A)   aorta
B)   vena cava
C)   femoral artery
D)   carotid artery
E)   pulmonary arteryF) C) and D)
G) A) and E)

Question 5

A person who sits for hours on a long airplane flight may have problems with blood pooling below the knees.Why?

Accepted Answer

A)   The valves in the leg veins don't work above a certain altitude.
B)   Blood pressure drops on long airplane flights.
C)   The respiratory pump is not helping blood return to the heart.
D)   The capillaries expand at high altitudes.
E)   The skeletal muscle pump below the knees is not helping blood return to the heart.F) A) and D)
G) A) and C)

Question 6

Which arterial property enables it to resist the blood pressure?

Accepted Answer

A)   elastic tissue in the arterial wall
B)   valves within an artery
C)   skeletal muscle within the arterial walls
D)   precapillary sphincters
E)   a wall composed only of endotheliumF) A) and C)
G) C) and D)

Question 7

The cardiac muscle is supplied with nutrients from the blood within the heart itself.

Accepted Answer

A) True 
 B)False

Question 8

A hospital laboratory technician injects a dye into a vein in your right arm.What is the first chamber of the heart that the dye will reach?

Accepted Answer

A)   right atrium
B)   left atrium
C)   right ventricle
D)   left ventricle
E)   aortaF) C) and E)
G) D) and E)

Question 9

Which of the following could be used to take a pulse?

Accepted Answer

A)   radial vein
B)   radial artery
C)   inferior vena cava
D)   superior vena cava
E)   renal capillariesF) A) and B)
G) A) and C)

Question 10

In the pulmonary circuit,veins carry oxygen-_____ blood,and in the systemic circuit,veins carry oxygen-_____ blood.

Accepted Answer

A)   rich; rich
B)   poor; poor
C)   rich; poor
D)   poor; richE) A) and D)
F) None of the above

Question 11

Tina's heart began to beat much faster when it came to the scary scene in the movie.Which portion of the nervous system causes the heart to beat faster when afraid?

Accepted Answer

A)   peripheral
B)   parasympathetic
C)   somatic
D)   sympathetic
E)   axialF) None of the above
G) A) and E)

Question 12

Diastolic pressure is when the heart atria are relaxing.

Accepted Answer

A) True 
 B)False

Question 13

Blood leaves which chamber of the heart to enter the lungs?

Accepted Answer

A)   right atrium
B)   left atrium
C)   right ventricle
D)   left ventricle
E)   aortaF) None of the above
G) C) and D)

Question 14

What is considered the pacemaker of the heart?

Accepted Answer

A)   medulla oblongata
B)   the sinoatrial node
C)   the atrioventricular node
D)   Purkinje fibers
E)   atrioventricular bundleF) A) and B)
G) B) and C)

Question 15

The cardiovascular system is composed of the heart and the blood vessels.

Accepted Answer

A) True 
 B)False

Question 16

When comparing the cardiovascular system to a city,what is it similar to?

Accepted Answer

A)   roads
B)   government building
C)   grocery stores
D)   waste recycling plant
E)   power plantF) A) and B)
G) A) and C)

Question 17

Which of the following blood vessels are small,thin,and porous enough to exchange substances at the tissue level of organization?

Accepted Answer

A)   arterioles
B)   capillaries
C)   venules
D)   small arteries
E)   veinsF) None of the above
G) A) and D)

Question 18

The walls of veins are thinner,so they cannot expand as greatly as arteries can.

Accepted Answer

A) True 
 B)False

Question 19

Describe the three general functions of the cardiovascular system.

Accepted Answer

1.Transport: Transports oxygen and nutri...

Question 20

What is the function of valves in the veins?

Accepted Answer

A)   increase the rate of blood flow
B)   prevent the backward flow of blood
C)   regulate blood pressure
D)   oxygenate the blood
E)   remove debris from the bloodF) B) and E)
G) B) and D)

Exam 5: Cardiovascular System: Heart and Blood Vessels

Which arterial property enables it to resist the blood pressure?

Correct AnswerverifiedShow Answer

The cardiac muscle is supplied with nutrients from the blood within the heart itself.

Correct AnswerverifiedShow Answer

A person who sits for hours on a long airplane flight may have problems with blood pooling below the knees.Why?

Correct AnswerverifiedShow Answer

The cardiovascular system is composed of the heart and the blood vessels.

Correct AnswerverifiedShow Answer

Blood leaves which chamber of the heart to enter the lungs?

Correct AnswerverifiedShow Answer

Tina's heart began to beat much faster when it came to the scary scene in the movie.Which portion of the nervous system causes the heart to beat faster when afraid?

Correct AnswerverifiedShow Answer

Which of the following could be used to take a pulse?

Correct AnswerverifiedShow Answer

What happens to the excess fluid that leaves the capillaries at the venous end?

Correct AnswerverifiedShow Answer

Describe the three general functions of the cardiovascular system.

Correct Answerverified1.Transport: Transports oxygen and nutri...View AnswerShow Answer

The walls of veins are thinner,so they cannot expand as greatly as arteries can.

Correct AnswerverifiedShow Answer

Which of the following is the largest artery of the systemic circuit?

Correct AnswerverifiedShow Answer

What are the string-like structures in the heart that anchor the atrioventricular valves?

Correct AnswerverifiedShow Answer

Which of the following blood vessels are small,thin,and porous enough to exchange substances at the tissue level of organization?

Correct AnswerverifiedShow Answer

When comparing the cardiovascular system to a city,what is it similar to?

Correct AnswerverifiedShow Answer

A hospital laboratory technician injects a dye into a vein in your right arm.What is the first chamber of the heart that the dye will reach?

Correct AnswerverifiedShow Answer

What is the function of valves in the veins?

Correct AnswerverifiedShow Answer

What is considered the pacemaker of the heart?

Correct AnswerverifiedShow Answer

Blood pressure _____ with distance from the left ventricle,while the total cross-sectional area of the blood vessels _____.

Correct AnswerverifiedShow Answer

In the pulmonary circuit,veins carry oxygen-_____ blood,and in the systemic circuit,veins carry oxygen-_____ blood.

Correct AnswerverifiedShow Answer

Diastolic pressure is when the heart atria are relaxing.

Correct AnswerverifiedShow Answer

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1.Transport: Transports oxygen and nutri...
View Answer

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Blood pressure _ with distance from the left ventricle,while the total cross-sectional area of the blood vessels _.

Correct Answer
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In the pulmonary circuit,veins carry oxygen-_ blood,and in the systemic circuit,veins carry oxygen-_ blood.

Correct Answer
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Correct Answer
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