Question 1

The ________ lies directly deep to the fibrous pericardium.

Accepted Answer

A)   pericardial cavity
B)   visceral layer of the serous pericardium
C)   parietal layer of the serous pericardium
D)   epicardiumE) B) and D)
F) C) and D)

Question 2

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

Accepted Answer

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

Question 3

Cardiac muscle cells are bound by connective tissue into long circular and spiral networks called

Accepted Answer

A)   branches.
B)   auricles.
C)   chordae tendinae.
D)   bundles.E) C) and D)
F) A) and B)

Question 4

Which of the following vessels does not carry oxygen-poor blood to the heart?

Accepted Answer

A)   the superior vena cava
B)   the inferior vena cava
C)   the pulmonary vein
D)   the coronary sinusE) B) and C)
F) All of the above

Question 5

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

Accepted Answer

A)   venae cavae.
B)   pulmonary circulation.
C)   right ventricle.
D)   coronary circulation.E) A) and C)
F) B) and C)

Question 6

Which of these blood vessels is located in the anterior interventricular sulcus?

Accepted Answer

A)   anterior cardiac vein
B)   great cardiac vein
C)   middle cardiac vein
D)   small cardiac veinE) All of the above
F) A) and D)

Question 7

Intercalated discs contain ________ which allow ions to pass between cells, allowing the direct transmission of impulses.

Accepted Answer

The answer of Intercalated discs contain ________ which allow ions...

Question 8

Threadlike structures of the endocardium that prevent prolapse of the atrioventricular valves.

Accepted Answer

A)   ligamentum arteriosum
B)   pectinate muscles
C)   trabeculae carneae
D)   chordae tendineae
E)   fossa ovalisF) All of the above
G) B) and C)

Question 9

Use the diagram above to answer the following questions.
-Identify the letter that indicates the aortic arch.

Accepted Answer

A)   A
B)   B
C)   C
D)   D
E)   EF) None of the above
G) B) and D)

Question 10

Enlargement of the heart with progressive decline in pumping efficiency.

Accepted Answer

A)   cardiac tamponade
B)   congestive heart failure
C)   heart block
D)   myocardial infarction
E)   hypertrophic cardiomyopathyF) None of the above
G) B) and D)

Question 11

A specific coronary vessel that lies in the coronary sulcus is the

Accepted Answer

A)   posterior interventricular artery.
B)   right coronary artery.
C)   small cardiac vein.
D)   right marginal artery.E) A) and B)
F) C) and D)

Question 12

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

Accepted Answer

A) True 
 B)False

Question 13

The inner endothelial layer that lines the heart is the

Accepted Answer

A)   epicardium.
B)   pericardium.
C)   myocardium.
D)   endocardium.E) A) and B)
F) A) and C)

Question 14

The atrioventricular node is located in the

Accepted Answer

A)   right atrium, just inferior to the opening of the superior vena cava.
B)   inferior part of the interatrial septum.
C)   interventricular septum, near the heart base.
D)   walls of the ventricles, with the other Purkinje fibers.E) B) and D)
F) All of the above

Question 15

Atherosclerosis in the marginal artery may cause ischemia in the left side of the heart.

Accepted Answer

A) True 
 B)False

Question 16

The desmosome-like structures that attach adjacent cardiac muscle cells are called

Accepted Answer

A)   fasciae adherens.
B)   gap junctions.
C)   intercalated disks.
D)   T tubules.E) C) and D)
F) A) and B)

Question 17

The cardiac centers that control heart rate are located in the

Accepted Answer

A)   cerebral cortex of the temporal lobe.
B)   medulla oblongata of the brain stem.
C)   pituitary gland of the diencephalon.
D)   thoracic segments of the spinal cord.E) All of the above
F) None of the above

Question 18

Use the diagram above to answer the following questions.
-Identify the letter that indicates anchor points for chordae tendineae, composed of cells from the myocardium.

Accepted Answer

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

Question 19

The ________ of the heart prevents overdilation of the valve openings.

Accepted Answer

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

Question 20

Internal C-shaped crest of the right atrium, which indicates the openings for the superior and inferior vena cavae.

Accepted Answer

A)   ligamentum arteriosum.
B)   crista terminalis.
C)   trabeculae carneae.
D)   pectinate muscles.
E)   fossa ovalis.F) A) and C)
G) A) and B)

Exam 19: The Heart

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

Correct AnswerverifiedShow Answer

Threadlike structures of the endocardium that prevent prolapse of the atrioventricular valves.

Correct AnswerverifiedShow Answer

Cardiac muscle cells are bound by connective tissue into long circular and spiral networks called

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Internal C-shaped crest of the right atrium, which indicates the openings for the superior and inferior vena cavae.

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Enlargement of the heart with progressive decline in pumping efficiency.

Correct AnswerverifiedShow Answer

Use the diagram above to answer the following questions. -Identify the letter that indicates the aortic arch.

Correct AnswerverifiedShow Answer

Which of these blood vessels is located in the anterior interventricular sulcus?

Correct AnswerverifiedShow Answer

Atherosclerosis in the marginal artery may cause ischemia in the left side of the heart.

Correct AnswerverifiedShow Answer

Use the diagram above to answer the following questions. -Identify the letter that indicates anchor points for chordae tendineae, composed of cells from the myocardium.

Correct AnswerverifiedShow Answer

The atrioventricular node is located in the

Correct AnswerverifiedShow Answer

The desmosome-like structures that attach adjacent cardiac muscle cells are called

Correct AnswerverifiedShow Answer

The ________ lies directly deep to the fibrous pericardium.

Correct AnswerverifiedShow Answer

The cardiac centers that control heart rate are located in the

Correct AnswerverifiedShow Answer

Which of the following vessels does not carry oxygen-poor blood to the heart?

Correct AnswerverifiedShow Answer

Intercalated discs contain ________ which allow ions to pass between cells, allowing the direct transmission of impulses.

Correct AnswerverifiedShow Answer

The inner endothelial layer that lines the heart is the

Correct AnswerverifiedShow Answer

The ________ of the heart prevents overdilation of the valve openings.

Correct AnswerverifiedShow Answer

A specific coronary vessel that lies in the coronary sulcus is the

Correct AnswerverifiedShow Answer

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