Question 1

The superior corner of the right atrium of the heart is located at the

Accepted Answer

A)  costal cartilage of the sixth rib, a finger's width lateral to the sternum. 
B)  costal cartilage of the third rib where it attaches to the sternum. 
C)  fifth intercostal space along a line extending inferiorly from the midpoint of the clavicle. 
D)  midpoint of the jugular notch. 
A)  costal cartilage of the sixth rib, a finger's width lateral to the sternum. 
B)  costal cartilage of the third rib where it attaches to the sternum. 
C)  fifth intercostal space along a line extending inferiorly from the midpoint of the clavicle. 
D)  midpoint of the jugular notch.

Question 2

The fibrous skeleton of the heart forces the transmission of electrical signals from the atria to the ventricles via the atrioventricular bundle.

Accepted Answer

A) True 
 B)False

Question 3

Which of the following veins does not deliver blood directly to the right atrium?

Accepted Answer

A)  superior vena cava 
B)  inferior vena cava 
C)  coronary sinus 
D)  the great cardiac veins 
A)  superior vena cava 
B)  inferior vena cava 
C)  coronary sinus 
D)  the great cardiac veins

Question 4

The left ventricular wall of the heart is thicker than the right ventricular wall, so it can

Accepted Answer

A)  accommodate a greater volume of blood. 
B)  expand the thoracic cage during diastole. 
C)  pump blood with greater pressure. 
D)  pump blood through a smaller valve. 
A)  accommodate a greater volume of blood. 
B)  expand the thoracic cage during diastole. 
C)  pump blood with greater pressure. 
D)  pump blood through a smaller valve.

Question 5

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

Accepted Answer

A)  right atrium. 
B)  left atrium. 
C)  right ventricle. 
D)  left ventricle. 
A)  right atrium. 
B)  left atrium. 
C)  right ventricle. 
D)  left ventricle.

Question 6

Adjacent cardiac muscle cells are joined by intercalated discs, which have desmosome-like ________ to help bind the cells together.

Accepted Answer

The answer of Adjacent cardiac muscle cells are joined by...

Question 7

Condition in which the ventricles are unable to pump blood efficiently because of rapid, random contraction of cardiac muscle fibers is called

Accepted Answer

A)  atrial fibrillation. 
B)  ventricular fibrillation. 
C)  pulmonary arterial hypertension. 
D)  congestive heart failure. 
A)  atrial fibrillation. 
B)  ventricular fibrillation. 
C)  pulmonary arterial hypertension. 
D)  congestive heart failure.

Question 8

The ________ receives blood from the superior and inferior vena cavae and the coronary sinus.

Accepted Answer

A)  right atrium 
B)  right ventricle 
C)  left atrium 
D)  left ventricle 
E)  left auricle 
A)  right atrium 
B)  right ventricle 
C)  left atrium 
D)  left ventricle 
E)  left auricle

Question 9

The ________ artery nourishes the walls of the left atrium.

Accepted Answer

A)  anterior interventricular. 
B)  circumflex. 
C)  posterior interventricular. 
D)  right coronary. 
A)  anterior interventricular. 
B)  circumflex. 
C)  posterior interventricular. 
D)  right coronary.

Question 10

Destruction of which structure will result in electrical signals traveling to only one ventricle?

Accepted Answer

A)  atrioventricular bundle 
B)  bundle branch 
C)  internodal pathway 
D)  sinoatrial node 
A)  atrioventricular bundle 
B)  bundle branch 
C)  internodal pathway 
D)  sinoatrial node

Question 11

Cells of the conducting system located between the AV node and bundle branches.

Accepted Answer

A)  trabeculae carneae 
B)  pectinate muscles 
C)  crista terminalis 
D)  papillary muscles 
E)  atrioventricular bundle 
A)  trabeculae carneae 
B)  pectinate muscles 
C)  crista terminalis 
D)  papillary muscles 
E)  atrioventricular bundle

Question 12

The middle cardiac vein lies alongside the anterior interventricular artery.

Accepted Answer

A) True 
 B)False

Question 13

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

Accepted Answer

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

Question 14

Describe the histological features of cardiac cells that allow for coordinated contractions.

Accepted Answer

Individual cells of the myocardium are c

Question 15

The pericardial cavity lies between

Accepted Answer

A)  the fibrous pericardium and the parietal pericardium. 
B)  the parietal pericardium and the visceral pericardium. 
C)  the serous pericardium and the epicardium. 
D)  the fibrous pericardium and the diaphragm. 
A)  the fibrous pericardium and the parietal pericardium. 
B)  the parietal pericardium and the visceral pericardium. 
C)  the serous pericardium and the epicardium. 
D)  the fibrous pericardium and the diaphragm.

Question 16

The tricuspid valve is closed

Accepted Answer

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

Question 17

The semilunar valves are closed when the

Accepted Answer

A)  ventricles are contracting. 
B)  ventricles are relaxed. 
C)  atrioventricular valves are closed. 
D)  blood moves into the aorta and pulmonary trunk. 
A)  ventricles are contracting. 
B)  ventricles are relaxed. 
C)  atrioventricular valves are closed. 
D)  blood moves into the aorta and pulmonary trunk.

Question 18

Which heart chamber is most affected by hypertrophic cardiomyopathy?

Accepted Answer

A)  right atrium 
B)  right ventricle 
C)  left ventricle 
D)  left atrium 
A)  right atrium 
B)  right ventricle 
C)  left ventricle 
D)  left atrium

Question 19

Semilunar valves are located

Accepted Answer

A)  between the atria and the ventricles. 
B)  between the ventricles and the great arteries. 
C)  between the great veins and the atria. 
D)  only between the left ventricle and the aorta. 
A)  between the atria and the ventricles. 
B)  between the ventricles and the great arteries. 
C)  between the great veins and the atria. 
D)  only between the left ventricle and the aorta.

Question 20

The ________ receives oxygenated blood from the pulmonary veins.

Accepted Answer

A)  right atrium 
B)  right ventricle 
C)  left atrium 
D)  left ventricle 
E)  right auricle 
A)  right atrium 
B)  right ventricle 
C)  left atrium 
D)  left ventricle 
E)  right auricle

Exam 19: The Heart

The superior corner of the right atrium of the heart is located at the

The fibrous skeleton of the heart forces the transmission of electrical signals from the atria to the ventricles via the atrioventricular bundle.

Which of the following veins does not deliver blood directly to the right atrium?

The left ventricular wall of the heart is thicker than the right ventricular wall, so it can

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

Adjacent cardiac muscle cells are joined by intercalated discs, which have desmosome-like ________ to help bind the cells together.

Condition in which the ventricles are unable to pump blood efficiently because of rapid, random contraction of cardiac muscle fibers is called

The ________ receives blood from the superior and inferior vena cavae and the coronary sinus.

The ________ artery nourishes the walls of the left atrium.

Destruction of which structure will result in electrical signals traveling to only one ventricle?

Cells of the conducting system located between the AV node and bundle branches.

The middle cardiac vein lies alongside the anterior interventricular artery.

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

Describe the histological features of cardiac cells that allow for coordinated contractions.

The pericardial cavity lies between

The tricuspid valve is closed

The semilunar valves are closed when the

Which heart chamber is most affected by hypertrophic cardiomyopathy?

Semilunar valves are located

The ________ receives oxygenated blood from the pulmonary veins.

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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