Question 1

Figure 19.2
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) A) and E)
G) B) and E)

Question 2

Clinically, the posterior interventricular artery is referred to as the

Accepted Answer

A)   left artery ascending.
B)   posterior descending artery.
C)   left artery descending.
D)   posterior ascending artery.E) B) and C)
F) B) and D)

Question 3

Papillary muscles are horizontal ridges in the walls of the atrium.

Accepted Answer

A) True 
 B)False

Question 4

Of the three layers of the heart wall, the layer that contains the cardiac muscle is the

Accepted Answer

A)   endocardium.
B)   myocardium.
C)   epicardium.
D)   visceral layer of serous pericardium.E) C) and D)
F) B) and D)

Question 5

The region between the right and left pleural cavities is the

Accepted Answer

A)   pericardial cavity.
B)   mediastinum.
C)   peritoneal cavity.
D)   vertebral cavity.
E)   pulmonary cavity.F) B) and E)
G) B) and D)

Question 6

Stenosis of the mitral valve may cause blood to back up into the

Accepted Answer

A)   coronary circulation.
B)   right ventricle.
C)   pulmonary circulation.
D)   venae cavae.E) None of the above
F) C) and D)

Question 7

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

Accepted Answer

The answer of Uncoordinated contractions of the ventricle, known as...

Question 8

The of the heart prevents overdilation of the valve openings.

Accepted Answer

The answer of The of the heart prevents overdilation of...

Question 9

The heart chamber that pumps oxygenated blood around the systemic circuit is the

Accepted Answer

A)   left ventricle.
B)   left atrium.
C)   right ventricle.
D)   right atrium.E) A) and B)
F) None of the above

Question 10

The base of the aorta derives from which of these ʺoriginalʺ heart chambers in the embryo?

Accepted Answer

A)   ventricle
B)   bulbus cordis
C)   sinus venosus
D)   atriumE) B) and D)
F) B) and C)

Question 11

The tricuspid valve is closed

Accepted Answer

A)   when the ventricle is in systole.
B)   while the atrium is contracting.
C)   while the ventricle is in diastole.
D)   by movement of blood from atrium to ventricle.E) A) and D)
F) All of the above

Question 12

Death of heart musculature due to lack of oxygen.

Accepted Answer

A)   myocardial infarction
B)   cardiac tamponade
C)   heart block
D)   ventricular fibrillation
E)   valve insufficiencyF) C) and E)
G) A) and B)

Question 13

Insertion of a stent to treat coronary artery disease (CAD)

Accepted Answer

A)   is accomplished by laparoscopic incision at the jugular notch.
B)   involves grafting a portion of the saphenous vein that contains the stent into the occluded artery.
C)   occurs through a catheter inserted in the femoral artery.
D)   requires open heart surgery.E) A) and B)
F) B) and C)

Question 14

The auricles are

Accepted Answer

A)   earlike flaps on the surface of the atria.
B)   modifications of the pectinate muscles on the inner surface of the atria.
C)   earlike flaps on the surface of the ventricles.
D)   projections of the endothelium into the ventricles.E) None of the above
F) A) and D)

Question 15

Gap junctions and fasciae adherens are associated with that join adjacent cardiac muscle cells.

Accepted Answer

The answer of Gap junctions and fasciae adherens are associated...

Question 16

This blood vessel is located in the anterior interventricular sulcus.

Accepted Answer

A)   small cardiac vein
B)   great cardiac vein
C)   middle cardiac vein
D)   anterior cardiac veinE) A) and C)
F) B) and C)

Question 17

Coronary artery that supplies the left atrium.

Accepted Answer

A)   circumflex artery
B)   posterior descending artery
C)   left anterior descending artery
D)   pulmonary artery
E)   marginal arteryF) A) and B)
G) A) and C)

Question 18

The heart chamber that receives blood from the superior vena cava, inferior vena cava, and coronary sinus.

Accepted Answer

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

Question 19

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 and...

Question 20

Compare the difference between incompetent and stenotic heart valves.

Accepted Answer

Incompetent heart valves are valves that...

Exam 19: The Endocrine System

Stenosis of the mitral valve may cause blood to back up into the

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Gap junctions and fasciae adherens are associated with that join adjacent cardiac muscle cells.

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Death of heart musculature due to lack of oxygen.

Correct AnswerverifiedShow Answer

The region between the right and left pleural cavities is the

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Insertion of a stent to treat coronary artery disease (CAD)

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The of the heart prevents overdilation of the valve openings.

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Figure 19.2 Use the diagram above to answer the following questions. -Identify the letter that indicates the location of the bundle branches.

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

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The tricuspid valve is closed

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

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Coronary artery that supplies the left atrium.

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Clinically, the posterior interventricular artery is referred to as the

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The heart chamber that pumps oxygenated blood around the systemic circuit is the

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The heart chamber that receives blood from the superior vena cava, inferior vena cava, and coronary sinus.

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The base of the aorta derives from which of these ʺoriginalʺ heart chambers in the embryo?

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Papillary muscles are horizontal ridges in the walls of the atrium.

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This blood vessel is located in the anterior interventricular sulcus.

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The auricles are

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Of the three layers of the heart wall, the layer that contains the cardiac muscle is the

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Compare the difference between incompetent and stenotic heart valves.

Correct AnswerverifiedIncompetent heart valves are valves that...View AnswerShow Answer

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Incompetent heart valves are valves that...
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