Question 1

How is the base of the heart different from the apex of the heart?

Accepted Answer

A) The great vessels are located at the apex. 
B) The superior tip is the apex. 
C) The great vessels are located on the base. 
D) The inferior tip is the base. 
A) The great vessels are located at the apex. 
B) The superior tip is the apex. 
C) The great vessels are located on the base. 
D) The inferior tip is the base. C

Question 2

Which vessel is part of the coronary circulation?

Accepted Answer

A) Circumflex artery 
B) Inferior vena cava 
C) Pulmonary artery 
D) Pulmonary vein 
A) Circumflex artery 
B) Inferior vena cava 
C) Pulmonary artery 
D) Pulmonary vein A

Question 3

Which of the following vessels delivers oxygen-poor blood to the lungs?

Accepted Answer

A) Pulmonary Arteries 
B) Pulmonary veins 
C) Aorta 
D) Superior and inferior venae cavae 
A) Pulmonary Arteries 
B) Pulmonary veins 
C) Aorta 
D) Superior and inferior venae cavae A

Question 4

Which is another term for the visceral pericardium?

Accepted Answer

A) Pericardium 
B) Endocardium 
C) Myocardium 
D) Epicardium 
A) Pericardium 
B) Endocardium 
C) Myocardium 
D) Epicardium

Question 5

What causes striations in the cardiac muscle cells?

Accepted Answer

A) The overlapping of the actin and myosin proteins of the myofilaments 
B) The abundance of mitochondria 
C) The presence of myofibril contractile organelles 
D) The presence of the intercalated discs 
A) The overlapping of the actin and myosin proteins of the myofilaments 
B) The abundance of mitochondria 
C) The presence of myofibril contractile organelles 
D) The presence of the intercalated discs

Question 6

How is backflow of blood from the right ventricle into the right atrium prevented?

Accepted Answer

A) Tricuspid valve 
B) Trabeculae carneae 
C) Mitral valve 
D) Aortic semilunar valve 
A) Tricuspid valve 
B) Trabeculae carneae 
C) Mitral valve 
D) Aortic semilunar valve

Question 7

-Identify the structure labeled "f."

Accepted Answer

A) Inferior vena cava 
B) Tricuspid valve 
C) Superior vena cava 
D) Right ventricle 
A) Inferior vena cava 
B) Tricuspid valve 
C) Superior vena cava 
D) Right ventricle

Question 8

Which is the function of an intercalated disc?

Accepted Answer

A) Contains gap junctions that allow rapid communication between cells 
B) Contains both desmosomes for tensile strength and gap junctions for communication 
C) Uses desmosomes to hold cells together 
D) Uses tight junctions to snap cells together for great tensile strength 
A) Contains gap junctions that allow rapid communication between cells 
B) Contains both desmosomes for tensile strength and gap junctions for communication 
C) Uses desmosomes to hold cells together 
D) Uses tight junctions to snap cells together for great tensile strength

Question 9

Which structure separates the right and left ventricles?

Accepted Answer

A) Chordae tendineae 
B) Right ventricle 
C) Right atrium 
D) Interventricular septum 
A) Chordae tendineae 
B) Right ventricle 
C) Right atrium 
D) Interventricular septum

Question 10

-Identify the structure labeled "j."

Accepted Answer

A) Left atrium 
B) Aortic semilunar valve 
C) Aorta 
D) Mitral (bicuspid)valve 
A) Left atrium 
B) Aortic semilunar valve 
C) Aorta 
D) Mitral (bicuspid)valve

Question 11

What term describes the "heart strings?"

Accepted Answer

A) Valves 
B) Trabeculae carneae 
C) Pectinate muscles 
D) Chordae tendineae 
A) Valves 
B) Trabeculae carneae 
C) Pectinate muscles 
D) Chordae tendineae

Question 12

Of the coronary vessels listed, which one receives blood first?

Accepted Answer

A) Right coronary artery 
B) Marginal artery 
C) Circumflex artery 
D) Anterior interventricular artery 
A) Right coronary artery 
B) Marginal artery 
C) Circumflex artery 
D) Anterior interventricular artery

Question 13

Which is a good description of cardiac muscle fibers?

Accepted Answer

A) Long, rectangular-shaped cells with multiple nuclei 
B) Branched, multinucleate cells with striations 
C) Long, spindle-shaped cells with intercalated discs 
D) Branched, uninucleate cells with intercalated discs 
A) Long, rectangular-shaped cells with multiple nuclei 
B) Branched, multinucleate cells with striations 
C) Long, spindle-shaped cells with intercalated discs 
D) Branched, uninucleate cells with intercalated discs

Question 14

Of the systemic vessels listed, which one receives blood last?

Accepted Answer

A) Abdominal aorta 
B) Ascending aorta 
C) Thoracic aorta 
D) Aortic arch 
A) Abdominal aorta 
B) Ascending aorta 
C) Thoracic aorta 
D) Aortic arch

Question 15

-Identify the structure labeled "g."

Accepted Answer

A) Aorta 
B) Superior vena cava 
C) Pulmonary vein 
D) Pulmonary trunk 
A) Aorta 
B) Superior vena cava 
C) Pulmonary vein 
D) Pulmonary trunk

Question 16

Predict what would happen to cardiac muscle cells if desmosomes were not present in intercalated discs.

Accepted Answer

A) The cells would pull apart with each contraction. 
B) The cells would be unable to contract. 
C) They would not be able to move materials between cells. 
D) The cardiac muscle cells would not be able to contract as a unit. 
A) The cells would pull apart with each contraction. 
B) The cells would be unable to contract. 
C) They would not be able to move materials between cells. 
D) The cardiac muscle cells would not be able to contract as a unit.

Question 17

-Identify the structure labeled "g."

Accepted Answer

A) Right ventricle 
B) Left ventricle 
C) Right atrium 
D) Left atrium 
A) Right ventricle 
B) Left ventricle 
C) Right atrium 
D) Left atrium

Question 18

-Identify the structure on the micrograph labeled "c."

Accepted Answer

A) Intercalated disc 
B) Striation 
C) Cardiac muscle fiber 
D) Nucleus 
A) Intercalated disc 
B) Striation 
C) Cardiac muscle fiber 
D) Nucleus

Question 19

Blood in the pulmonary veins is ________.

Accepted Answer

A) oxygenated 
B) entering the heart and going to the lungs 
C) leaving the heart to go to the systemic circuit 
D) deoxygenated 
A) oxygenated 
B) entering the heart and going to the lungs 
C) leaving the heart to go to the systemic circuit 
D) deoxygenated

Question 20

Through which vessel is deoxygenated blood returned to the heart?

Accepted Answer

A) Pulmonary artery 
B) Aorta 
C) Superior vena cava 
D) Pulmonary vein 
A) Pulmonary artery 
B) Aorta 
C) Superior vena cava 
D) Pulmonary vein

Exam 20: Anatomy of the Heart

How is the base of the heart different from the apex of the heart?

Which vessel is part of the coronary circulation?

Which of the following vessels delivers oxygen-poor blood to the lungs?

Which is another term for the visceral pericardium?

What causes striations in the cardiac muscle cells?

How is backflow of blood from the right ventricle into the right atrium prevented?

-Identify the structure labeled "f."

Which is the function of an intercalated disc?

Which structure separates the right and left ventricles?

-Identify the structure labeled "j."

What term describes the "heart strings?"

Of the coronary vessels listed, which one receives blood first?

Which is a good description of cardiac muscle fibers?

Of the systemic vessels listed, which one receives blood last?

-Identify the structure labeled "g."

Predict what would happen to cardiac muscle cells if desmosomes were not present in intercalated discs.

-Identify the structure labeled "g."

-Identify the structure on the micrograph labeled "c."

Blood in the pulmonary veins is ________.

Through which vessel is deoxygenated blood returned to the heart?

Introduction to Anatomy and Physiology

Introduction to the Organ Systems

Chemistry

The Microscope

The Cell

Histology

The Integumentary System

Introduction to the Skeletal System

The Axial Skeleton

The Appendicular Skeleton

Joints

Introduction to the Muscular System: Muscle Tissue

Gross Anatomy of the Muscular System

Introduction to the Nervous System

The Central Nervous System: Brain and Spinal Cord

The Peripheral Nervous System: Nerves and Autonomic Nervous System

General and Special Senses

The Endocrine System

Blood

Physiology of the Heart

Anatomy of Blood Vessels

Circulatory Pathways and the Physiology of Blood Vessels

The Lymphatic System

Anatomy of the Respiratory System

Physiology of the Respiratory System

Anatomy of the Digestive System

Physiology of the Digestive System

Anatomy of the Urinary System

Physiology of the Urinary System

Reproductive and Development

Filters