Question 1

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

Accepted Answer

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

Question 2

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. 
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.

Question 3

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

Accepted Answer

A) True 
 B)False

Question 4

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)  E 
A)  A 
B)  B 
C)  C 
D)  D 
E)  E

Question 5

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. 
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.

Question 6

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. 
A)  branches. 
B)  auricles. 
C)  chordae tendinae. 
D)  bundles.

Question 7

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. 
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.

Question 8

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 9

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

Question 10

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

Accepted Answer

A) True 
 B)False

Question 11

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 vein 
A)  anterior cardiac vein 
B)  great cardiac vein 
C)  middle cardiac vein 
D)  small cardiac vein

Question 12

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 ovalis 
A)  ligamentum arteriosum 
B)  pectinate muscles 
C)  trabeculae carneae 
D)  chordae tendineae 
E)  fossa ovalis

Question 13

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 cardiomyopathy 
A)  cardiac tamponade 
B)  congestive heart failure 
C)  heart block 
D)  myocardial infarction 
E)  hypertrophic cardiomyopathy

Question 14

The inner endothelial layer that lines the heart is the

Accepted Answer

A)  epicardium. 
B)  pericardium. 
C)  myocardium. 
D)  endocardium. 
A)  epicardium. 
B)  pericardium. 
C)  myocardium. 
D)  endocardium.

Question 15

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

Question 16

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)  E 
A)  A 
B)  B 
C)  C 
D)  D 
E)  E

Question 17

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 sinus 
A)  the superior vena cava 
B)  the inferior vena cava 
C)  the pulmonary vein 
D)  the coronary sinus

Question 18

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

Question 19

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

Question 20

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)  epicardium 
A)  pericardial cavity 
B)  visceral layer of the serous pericardium 
C)  parietal layer of the serous pericardium 
D)  epicardium

Exam 19: The Heart

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

The cardiac centers that control heart rate are located in the

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

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.

The atrioventricular node is located in the

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

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

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

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

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

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

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

Enlargement of the heart with progressive decline in pumping efficiency.

The inner endothelial layer that lines the heart is the

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

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

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

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

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

The ________ lies directly deep to the fibrous pericardium.

The Human Body: an Orientation

Cells: the Living Units

Basic Embryology

Tissues

The Integumentary System

Bones and Skeletal Tissues

Bones, Part 1: the Axial Skeleton

Bones, Part 2: the Appendicular Skeleton

Joints

Skeletal Muscle Tissue

Muscles of the Body

Fundamentals of the Nervous System and Nervous Tissue

The Central Nervous System

The Peripheral Nervous System

The Autonomic Nervous System and Visceral Sensory Neurons

The Special Senses

The Endocrine System

Blood

Blood Vessels

The Lymphatic and Immune Systems

The Respiratory System

The Digestive System

The Urinary System

The Reproductive System

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