Question 1

Blood is carried away from the heart by

Accepted Answer

A)   arteries.
B)   veins.
C)   arterioles.
D)   capillaries.
E)   venules.

Question 2

Using the figure above, identify the labeled part.
-Label F: ________

Accepted Answer

The answer of  Using the figure above, identify the...

Question 3

The property of heart muscle to contract in the absence of neural or hormonal stimulation is called _________________________.

Accepted Answer

automatici...

Question 4

Using the figure above, identify the labeled part.
-Label G: ________

Accepted Answer

Aortic sem...

Question 5

The ________ of the heart is(are)  located in the walls of the ventricles.

Accepted Answer

A)   Purkinje fibers.
B)   SA node.
C)   AV node.
D)   bundle branches.
E)   bundle of His.

Question 6

Explain the significance of the thickness of the left ventricular wall.

Accepted Answer

The thicker wall of the left ventricle a...

Question 7

Which of the following is greatest during left ventricular systole?

Accepted Answer

A)   the pressure in the ventricle
B)   the pressure in the aorta
C)   the pressure in the left atrium
D)   the pressure in the right ventricle
E)   the pressure in the right atrium

Question 8

The average pressure in the right ventricle is ________ the pressure in the left ventricle.

Accepted Answer

A)   the same as
B)   considerably lower than
C)   slightly lower than
D)   slightly higher than
E)   much higher than

Question 9

Using the figure above, identify the labeled part.
-Label P: ________

Accepted Answer

Cusp of ri...

Question 10

Which of the following is true regarding cardiac muscle?

Accepted Answer

A)   Neither summation nor tetany can occur.
B)   Both summation and tetany can occur.
C)   Summation, but not tetany, can occur.
D)   Tetany, but not summation, can occur.
E)   none of the above

Question 11

The period between the start of one heartbeat and the beginning of the next is called the _________________________.

Accepted Answer

The answer of The period between the start of one...

Question 12

The pulmonary arteries carry blood to the

Accepted Answer

A)   heart.
B)   lungs.
C)   brain.
D)   intestines.
E)   liver.

Question 13

Using the figure above, identify the labeled part.
-Label C: ________

Accepted Answer

Pulmonary ...

Question 14

The amount of blood the heart pumps in one minute is

Accepted Answer

A)   end diastolic volume.
B)   end systolic volume.
C)   stroke volume.
D)   cardiac output.
E)   cardiac reserve.

Question 15

The left atrium receives blood from the

Accepted Answer

A)   pulmonary veins.
B)   pulmonary trunk.
C)   aorta.
D)   inferior vena cava.
E)   arteries and veins.

Question 16

In a condition called heart _________________________, the heart is unable to maintain an adequate cardiac output.

Accepted Answer

The answer of In a condition called heart _________________________, the...

Question 17

A procedure in which a small section of a peripheral vein is used to create a detour around an obstruction in a coronary artery is called _________________________.

Accepted Answer

coronary b...

Question 18

The amount of blood in each ventricle during isovolumetric relaxation is equal to the

Accepted Answer

A)   EDV.
B)   ESV.
C)   SV.
D)   HR.
E)   CO.

Question 19

Blood returning from the systemic circulation enters the

Accepted Answer

A)   right atrium.
B)   right ventricle.
C)   left atrium.
D)   left ventricle.
E)   pulmonary circulation.

Question 20

The semilunar valve of the left side of the heart prevents backflow from the

Accepted Answer

A)   aorta.
B)   pulmonary trunk.
C)   pulmonary veins.
D)   right ventricle.
E)   left ventricle.

Exam 12: The Cardiovascular System: the Heart

Which of the following is greatest during left ventricular systole?

Correct AnswerverifiedShow Answer

The amount of blood the heart pumps in one minute is

Correct AnswerverifiedShow Answer

The ________ of the heart is(are) located in the walls of the ventricles.

Correct AnswerverifiedShow Answer

Explain the significance of the thickness of the left ventricular wall.

Correct AnswerverifiedThe thicker wall of the left ventricle a...View AnswerShow Answer

The average pressure in the right ventricle is ________ the pressure in the left ventricle.

Correct AnswerverifiedShow Answer

The left atrium receives blood from the

Correct AnswerverifiedShow Answer

In a condition called heart _________________________, the heart is unable to maintain an adequate cardiac output.

Correct AnswerverifiedShow Answer

Blood returning from the systemic circulation enters the

Correct AnswerverifiedShow Answer

The semilunar valve of the left side of the heart prevents backflow from the

Correct AnswerverifiedShow Answer

The amount of blood in each ventricle during isovolumetric relaxation is equal to the

Correct AnswerverifiedShow Answer

A procedure in which a small section of a peripheral vein is used to create a detour around an obstruction in a coronary artery is called _________________________.

Correct Answerverifiedcoronary b...View AnswerShow Answer

The pulmonary arteries carry blood to the

Correct AnswerverifiedShow Answer

Using the figure above, identify the labeled part. -Label G: ________

Correct AnswerverifiedAortic sem...View AnswerShow Answer

Blood is carried away from the heart by

Correct AnswerverifiedShow Answer

Using the figure above, identify the labeled part. -Label F: ________

Correct AnswerverifiedShow Answer

Which of the following is true regarding cardiac muscle?

Correct AnswerverifiedShow Answer

Using the figure above, identify the labeled part. -Label C: ________

Correct AnswerverifiedPulmonary ...View AnswerShow Answer

The period between the start of one heartbeat and the beginning of the next is called the _________________________.

Correct AnswerverifiedShow Answer

Using the figure above, identify the labeled part. -Label P: ________

Correct AnswerverifiedCusp of ri...View AnswerShow Answer

The property of heart muscle to contract in the absence of neural or hormonal stimulation is called _________________________.

Correct Answerverifiedautomatici...View AnswerShow Answer

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The thicker wall of the left ventricle a...
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coronary b...
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Aortic sem...
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Pulmonary ...
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Cusp of ri...
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automatici...
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