Question 1

If "lub-dup" describes a heartbeat, the "dup" part of the sound is caused by

Accepted Answer

A)   the apex of the heart hitting the anterior chest wall.
B)   a stenotic atrioventricular valve.
C)   the large force of the contracting ventricles.
D)   vibrations that result from the semilunar valves slamming shut.E) A) and B)
F) A) and C)

Question 2

Pericarditis can lead to all of the following except

Accepted Answer

A)   excess fluid in the pericardial cavity.
B)   pericardial friction rub.
C)   adhesions.
D)   a myocardial infarction.E) A) and B)
F) B) and C)

Question 3

Contraction of the ventricles begins at the apex and proceeds superiorly.

Accepted Answer

A) True 
 B)False  True

Question 4

The right ventricle pumps blood into the

Accepted Answer

A)   aorta.
B)   pulmonary vein.
C)   pulmonary trunk.
D)   superior vena cava.E) B) and C)
F) A) and D)

Question 5

Heart valve with two cusps.

Accepted Answer

A)   mitral
B)   pulmonary semilunar
C)   aortic semilunar
D)   fossa ovalis
E)   crista terminalisF) A) and D)
G) B) and D)

Question 6

Use the diagram above to answer the following questions.
-Identify the letter that indicates the location of the bundle branches.

Accepted Answer

A)   A
B)   B
C)   C
D)   D
E)   EF) D) and E)
G) All of the above

Question 7

Irregular ridges in the walls of the ventricles are called ________.

Accepted Answer

The answer of Irregular ridges in the walls of the...

Question 8

The ________ valve prevents backflow of blood from the left ventricle to the left atrium.

Accepted Answer

mitral, le...

Question 9

The first part of the heart sound "lub-dup" is produced by the closing of the right and left ________.

Accepted Answer

atrioventr...

Question 10

The ________ artery supplies the left atrium and the posterior part of the left ventricle.

Accepted Answer

The answer of The ________ artery supplies the left atrium...

Question 11

Use the diagram above to answer the following questions.
-Identify the letter that indicates the left coronary artery.

Accepted Answer

A)   A
B)   B
C)   C
D)   D
E)   EF) C) and D)
G) A) and D) E

Question 12

The ________ returns most of the venous blood from the heart to the right atrium.

Accepted Answer

A)   great cardiac vein
B)   coronary sinus
C)   anterior cardiac vein
D)   posterior interventricular veinE) B) and D)
F) B) and C)

Question 13

Blood in the pulmonary veins returns to the

Accepted Answer

A)   right atrium.
B)   left atrium.
C)   right ventricle.
D)   left ventricle.E) C) and D)
F) B) and C)

Question 14

Use the diagram above to answer the following questions.
-Identify the letter that indicates the ligamentum arteriosum.

Accepted Answer

A)   A
B)   B
C)   C
D)   D
E)   EF) A) and B)
G) B) and C)

Question 15

The parasympathetic fibers of the vagus nerve

Accepted Answer

A)   speed up the heartbeat.
B)   increase the force of cardiac contractions.
C)   slow the heartbeat.
D)   decrease the force of cardiac contractions.E) A) and B)
F) A) and C)

Question 16

Uncoordinated contractions of the ventricle, known as ________, result from irregularities in conducting system behavior.

Accepted Answer

fibrillation

Question 17

Parasympathetic fibers innervate the SA node, AV node, and cardiac musculature.

Accepted Answer

A) True 
 B)False

Question 18

The crista terminalis can be used to locate all of the following structures except the

Accepted Answer

A)   opening of the coronary sinus.
B)   opening of the inferior vena cava.
C)   opening of the pulmonary veins.
D)   opening of the superior vena cava.E) A) and B)
F) A) and C)

Question 19

A penetrating stab wound to the heart wall that causes blood to leak into the pericardial cavity would result in

Accepted Answer

A)   cardiac tamponade.
B)   myocardial infarction.
C)   hypertrophic cardiomyopathy.
D)   endocarditis.E) A) and C)
F) All of the above

Question 20

Which of the following structures is not found in the left ventricle?

Accepted Answer

A)   pectinate muscles
B)   mitral valve
C)   trabeculae carneae
D)   papillary musclesE) C) and D)
F) A) and B)

Exam 19: The Heart

If "lub-dup" describes a heartbeat, the "dup" part of the sound is caused by

Correct AnswerverifiedShow Answer

Pericarditis can lead to all of the following except

Correct AnswerverifiedShow Answer

Contraction of the ventricles begins at the apex and proceeds superiorly.

Correct AnswerverifiedTrue

The right ventricle pumps blood into the

Correct AnswerverifiedShow Answer

Heart valve with two cusps.

Correct AnswerverifiedShow Answer

Use the diagram above to answer the following questions. -Identify the letter that indicates the location of the bundle branches.

Correct AnswerverifiedShow Answer

Irregular ridges in the walls of the ventricles are called ________.

Correct AnswerverifiedShow Answer

The ________ valve prevents backflow of blood from the left ventricle to the left atrium.

Correct Answerverifiedmitral, le...View AnswerShow Answer

The first part of the heart sound "lub-dup" is produced by the closing of the right and left ________.

Correct Answerverifiedatrioventr...View AnswerShow Answer

The ________ artery supplies the left atrium and the posterior part of the left ventricle.

Correct AnswerverifiedShow Answer

Use the diagram above to answer the following questions. -Identify the letter that indicates the left coronary artery.

Correct AnswerverifiedE

The ________ returns most of the venous blood from the heart to the right atrium.

Correct AnswerverifiedShow Answer

Blood in the pulmonary veins returns to the

Correct AnswerverifiedShow Answer

Use the diagram above to answer the following questions. -Identify the letter that indicates the ligamentum arteriosum.

Correct AnswerverifiedShow Answer

The parasympathetic fibers of the vagus nerve

Correct AnswerverifiedShow Answer

Uncoordinated contractions of the ventricle, known as ________, result from irregularities in conducting system behavior.

Correct Answerverifiedfibrillation

Parasympathetic fibers innervate the SA node, AV node, and cardiac musculature.

Correct AnswerverifiedShow Answer

The crista terminalis can be used to locate all of the following structures except the

Correct AnswerverifiedShow Answer

A penetrating stab wound to the heart wall that causes blood to leak into the pericardial cavity would result in

Correct AnswerverifiedShow Answer

Which of the following structures is not found in the left ventricle?

Correct AnswerverifiedShow Answer

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True

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mitral, le...
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atrioventr...
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E

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fibrillation

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